Radial Blowers-VRB-600

INTERNATIONALFRP RADIAL BLOWERSBULLETIN: VB-600VIRON®••••••••••••••since 1971. VIRON's modern facilities in bothStandard SpecificationsThe blower housing is solid fiberglass using premium gradelow cost handling of industrial process air and gas. The blower wheel is solid fiberglass using a premium gradecorrosion resistant resin. corrosion resistant resin. The six blade design offers efficient,Maximum temperature limitation is 200°F on all fiberglassSizes - 9" to 60" inlet, 17 convenient sizes to choose fromMotor - All motors are TEFC type. FRP RADIAL BLOWERCorrosion resistant polyester resin plus flame retardantadditives reduce the flame spread rate below 25. All internal hardware is stainless steel. Hardware - All hardware is stainless steel, and resin coated.Wheels - All blower wheels are dynamically balanced. Bearings - All bearings are heavy duty, self aligning and ballVIRON® International has been a leading manu-facturer of corrosin resistant fiberglass blowersMichigan and Texas operate the most modernequipment and efficient manpower found in thefan business. VIRON's radial blowers come in17 different sizes ranging from 9" to 60" inletsand capacities to over 100,000 CFM. Special high corrosion construction is optional on all VIRONBelts - All belts are industrial grade V-belt type. performance and structural integrity. giving you 400 to over 100,000 CFM. bearing type. fiberglass air moving equipment. Pedestal Bases - All pedestal bases are constructed ofheavy gauge steel. The trapezoid design insures smoothGeneral Specificationsat which they will operate. Electronic dynamicbalancing guarantees smooth, vibration-freeperformance. Each radial blower is fabricated and assembledin VIRON's two manufacturing locations. Allblowers are tested and balanced at the speedAll structural parts in the airstream are fiberglass and resin.SERIES VRB-600blowers.0 500 1000 1500 2000 2500 3000 3500 4000 4500 5000 5500 6000 6500 7000 7500 8000 8500 9000 100000° .87 .89 .91 .92 0.94 .96 .98 .99 1.01 1.03 1.05 1.06 1.09 1.10 1.13 1.15 1.17 1.19 1.22 1.2640° .94 .96 .98 1.00 1.02 1.04 1.06 1.08 1.10 1.12 1.14 1.16 1.19 1.21 1.23 1.26 1.28 1.30 1.32 1.3670° 1.00 1.02 1.04 1.06 1.08 1.10 1.12 1.14 1.16 1.18 1.20 1.22 1.25 1.27 1.30 1.32 1.35 1.37 1.40 1.4580° 1.02 1.04 1.06 1.08 1.10 1.12 1.14 1.16 1.19 1.21 1.23 1.26 1.28 1.30 1.33 1.36 1.38 1.41 1.43 1.48100° 1.06 1.08 1.10 1.12 1.14 1.16 1.19 1.21 1.23 1.25 1.28 1.30 1.33 1.35 1.38 1.41 1.43 1.46 1.48 1.54120° 1.09 1.12 1.14 1.16 1.18 1.20 1.23 1.25 1.28 1.30 1.32 1.35 1.38 1.40 1.43 1.46 1.48 1.51 1.53 1.58140° 1.13 1.15 1.18 1.20 1.22 1.25 1.27 1.29 1.32 1.34 1.37 1.40 1.42 1.45 1.48 1.51 1.54 1.57 1.58 1.65160° 1.17 1.19 1.22 1.24 1.26 1.29 1.31 1.34 1.36 1.39 1.42 1.44 1.47 1.50 1.53 1.56 1.59 1.62 1.64 1.70180° 1.21 1.23 1.26 1.28 1.30 1.33 1.36 1.38 1.41 1.43 1.46 1.49 1.52 1.55 1.58 1.61 1.64 1.67 1.70 1.75200° 1.25 1.27 1.29 1.32 1.34 1.37 1.40 1.42 1.45 1.48 1.51 1.54 1.57 1.60 1.63 1.66 1.69 1.72 1.75 1.81250° 1.34 1.36 1.39 1.42 1.45 1.47 1.50 1.53 1.56 1.59 1.62 1.65 1.68 1.71 1.74 1.78 1.82 1.85 1.88 1.94300° 1.43 1.46 1.49 1.52 1.55 1.58 1.61 1.64 1.67 1.70 1.74 1.77 1.80 1.84 1.87 1.91 1.94 1.98 2.00 2.08350° 1.53 1.56 1.59 1.62 1.65 1.68 1.72 1.75 1.78 1.81 1.85 1.88 1.92 1.96 2.00 2.04 2.07 2.11 2.14 2.22400° 1.62 1.65 1.69 1.72 1.75 1.79 1.82 1.85 1.89 1.93 1.96 2.00 2.04 2.08 2.12 2.16 2.20 2.25 2.27 2.35450° 1.72 1.75 1.79 1.82 1.86 1.89 1.93 1.96 2.00 2.04 2.08 2.12 2.16 2.20 2.24 2.29 2.33 2.38 2.41 2.50500° 1.81 1.85 1.88 1.92 1.96 1.99 2.03 2.07 2.11 2.15 2.19 2.23 2.28 2.32 2.36 2.41 2.46 2.51 2.54 2.62550° 1.91 1.94 1.98 2.02 2.06 2.10 2.14 2.18 2.22 2.26 2.30 2.35 2.40 2.44 2.49 2.54 2.58 2.63 2.68 2.77600° 2.00 2.04 2.08 2.12 2.16 2.20 2.24 2.29 2.33 2.38 2.42 2.47 2.50 2.56 2.61 2.66 2.71 2.77 2.80 2.90650° 2.10 2.14 2.18 2.22 2.26 2.31 2.35 2.40 2.44 2.49 2.54 2.58 2.63 2.68 2.74 2.79 2.84 2.90 2.94 3.04700° 2.19 2.23 2.27 2.32 2.36 2.41 2.46 2.50 2.55 2.60 2.65 2.70 2.75 2.80 2.86 2.91 2.97 3.03 3.06 3.18750° 2.28 2.33 2.37 2.42 2.47 2.51 2.56 2.61 2.66 2.71 2.76 2.81 2.87 2.92 2.98 3.04 3.10 3.16 3.19 3.31800° 2.38 2.43 2.48 2.52 2.57 2.62 2.66 2.72 2.76 2.81 2.86 2.90 2.98 3.02 3.10 3.14 3.21 3.26 3.33 3.45850° 2.47 2.52 2.57 2.62 2.67 2.72 2.76 2.82 2.87 2.92 2.97 3.02 3.09 3.14 3.21 3.26 3.33 3.38 3.46 3.58900° 2.57 2.62 2.67 2.72 2.76 2.83 2.88 2.93 2.98 3.03 3.08 3.14 3.21 3.26 3.34 3.39 3.47 3.52 3.60 3.73950° 2.66 2.72 2.77 2.82 2.87 2.92 2.98 3.03 3.08 3.14 3.19 3.24 3.32 3.38 3.46 3.51 3.58 3.64 3.72 3.861000° 2.76 2.82 2.87 2.92 2.98 3.04 3.09 3.14 3.20 3.26 3.31 3.37 3.45 3.50 3.59 3.64 3.72 3.78 3.86 4.00RADIAL FAN CHARACTERISTIC CURVEAir Temp Deg. FALTITUDE IN FEET ABOVE SEA LEVELCORRECTION FACTOR TABLETEMPERATURE AND ALTITUDE CORRECTION DATARPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP435 1000 880 0.12522 1200 906 0.15 1223 0.29609 1400 943 0.18 1243 0.34 1492 0.52696 1600 986 0.22 1268 0.39 1511 0.58 1722 0.79783 1800 1032 0.27 1300 0.05 1533 0.65 1739 0.87 1926 1.11870 2000 1079 0.32 1338 0.52 1558 0.73 1761 0.96 1944 1.21 2112 1.47957 2200 1127 0.38 1380 0.60 1591 0.82 1785 1.06 1965 1.32 2130 1.60 2264 1.881044 2400 1177 0.45 1425 0.69 1628 0.92 1813 1.17 1988 1.44 2151 1.73 2303 2.03 2446 2.34 2583 2.661131 2600 1227 0.53 1472 0.08 1670 1.03 1847 1.30 2014 1.58 2174 1.88 2324 2.19 2465 2.51 2599 2.64 2728 3.191218 2800 1279 0.62 1519 0.89 1714 1.16 1886 1.44 2047 1.73 2200 2.03 2347 2.36 2487 2.69 2619 3.04 2746 3.391305 3000 1331 0.72 1567 1.01 1780 1.30 1928 1.59 2083 1.89 2230 2.20 2373 2.54 2510 2.89 2641 3.25 2766 3.621392 3200 1384 0.82 1616 1.14 1806 1.45 1972 1.76 2123 2.07 2265 2.40 2402 2.74 2536 3.09 2665 3.47 2788 3.851479 3400 1438 0.94 1666 1.28 1854 1.62 2017 1.94 2165 2.27 2304 2.61 2437 2.96 2565 3.32 2690 3.70 2812 4.091566 3600 1493 1.08 1716 1.44 1901 1.79 2064 2.14 2209 2.49 2345 2.83 2474 3.19 2600 3.57 2719 3.95 2838 4.351653 3800 1548 1.22 1767 1.61 1950 1.98 2111 2.35 2255 2.72 2388 3.06 2514 3.45 2636 3.83 2754 4.23 2867 4.631740 4000 1604 1.38 1819 1.79 1999 2.18 2158 2.58 2301 2.96 2433 3.34 2557 3.73 2675 4.12 2790 4.53 2902 4.951827 4200 1661 1.55 1871 1.98 2049 2.40 2206 2.81 2348 3.22 2479 3.62 2601 4.02 2717 4.43 2829 4.85 2937 5.271914 4400 1718 1.74 1924 2.19 2099 2.63 2255 3.07 2395 3.50 2525 3.92 2646 4.34 2760 4.76 2870 5.19 2976 5.632001 4600 1775 1.94 1978 2.42 2150 2.88 2304 3.34 2443 3.79 2572 4.23 2692 4.67 2805 5.11 2913 5.56 3017 6.002088 4800 1834 2.16 2032 2.66 2202 3.15 2354 3.62 2492 4.09 2619 4.56 2739 5.02 2851 5.48 2958 5.94 3060 6.412175 5000 1892 2.40 2087 2.92 2254 3.43 2404 3.93 2541 4.42 2667 4.91 2786 5.39 2897 5.87 3003 6.35 3104 6.832262 5200 1951 2.66 2142 3.20 2307 3.73 2455 4.25 2590 4.76 2715 5.27 2833 5.78 2944 6.28 3049 6.78 3149 7.272349 5400 2011 2.93 2197 3.50 2360 4.05 2506 4.59 2640 5.12 2764 5.66 2881 6.18 2991 6.71 3095 7.23 3195 7.742436 5600 2070 3.22 2253 3.81 2413 4.39 2558 4.95 2690 5.51 2814 6.06 2929 6.61 3038 7.15 3142 7.69 3241 8.232523 5800 2130 3.54 2309 4.15 2467 4.74 2610 5.33 2741 5.91 2863 6.48 2978 7.05 3086 7.62 3189 8.18 3288 8.74RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP1131 2600 2852 3.541218 2800 2867 3.76 2984 4.131305 3000 2886 3.99 3001 4.38 3113 4.77 3222 5.171392 3200 2907 4.24 3021 4.64 3131 5.04 3238 5.46 3342 5.88 3444 6.311479 3400 2930 4.50 3043 4.91 3152 5.33 3257 5.76 3360 6.19 3460 6.63 3557 7.08 3653 7.541566 3600 2954 4.77 3066 5.20 3174 5.63 3278 6.07 3380 6.52 3479 6.97 3575 7.43 3669 7.90 2761 8.38 3852 8.861653 3800 2980 5.06 3090 5.50 3197 5.94 3301 6.40 3402 6.86 3500 7.33 3595 7.80 3688 8.28 2779 8.77 3868 9.261740 4000 3009 5.37 3117 5.82 3222 6.27 3325 6.74 3424 7.22 3522 7.70 3616 8.19 3709 8.68 3779 9.18 3887 9.691827 4200 3044 5.72 3147 6.16 3249 6.62 3350 7.10 3449 7.59 3545 8.06 3639 8.59 3730 9.09 3820 9.61 3907 10.131914 4400 3080 6.08 3182 6.54 3280 7.00 3378 7.48 3475 7.98 3570 8.49 3663 9.00 3753 9.53 3842 10.05 3929 10.592001 4600 3119 6.46 3218 6.93 3316 7.42 3409 7.90 0.5 8.40 3596 8.91 3688 9.44 3778 9.97 3866 10.52 3952 11.062088 4800 3159 6.88 3256 7.35 3351 7.84 3444 8.34 3536 8.85 3626 9.36 3715 9.90 3804 10.44 3891 11.00 3976 11.562175 5000 3202 7.31 3297 7.80 3390 8.30 3481 8.81 3571 9.33 3659 9.86 3745 10.39 3832 10.94 3917 11.50 4001 12.072262 5200 3246 7.77 3340 8.28 3431 8.79 3520 9.31 3608 9.83 3695 10.37 3781 10.92 3863 11.47 3946 12.03 4029 12.612349 5400 3291 8.26 3383 8.78 3473 9.30 3561 9.83 3647 10.37 3732 10.92 3816 11.47 3900 12.05 3979 12.61 4059 13.192436 5600 3337 8.77 3428 9.30 3517 9.84 3604 10.38 3688 10.93 3772 11.49 3854 12.06 3934 12.63 4014 13.21 4093 13.802523 5800 3383 9.30 3474 9.85 3562 10.40 3647 10.96 3731 11.53 3813 12.10 3893 12.57 3973 13.26 4051 13.85 4128 14.452610 6000 3429 9.85 3520 10.42 3507 10.99 3692 11.57 3774 12.15 3855 12.73 3935 13.32 4013 13.91 4090 14.51 4166 15.122697 6200 3476 10.42 3566 11.02 3653 11.61 3737 12.20 3819 12.80 3899 13.39 3977 13.99 4054 14.60 4130 15.21 4205 15.842785 6400 3523 11.02 3613 11.63 3699 12.25 3783 12.86 3864 13.47 3943 14.08 4021 14.70 4097 15.32 4172 15.95 4245 16.582872 6600 3571 11.64 3660 12.28 3746 12.91 3829 13.54 3910 14.17 3989 14.80 4066 15.44 4141 16.07 4215 16.71 4287 17.3617" S.P. 18" S.P. 19" S.P. 20" S.P.10" S.P.VOL. CFMOutlet Vel. FPM11" S.P. 12" S.P. 13" S.P. 14" S.P. 15" S.P. 16" S.P.6" S.P. 8" S.P. 9" S.P.2" S.P. 3" S.P. 4" S.P. 5" S.P.VOL. CFMOutlet Vel. FPM1" S.P. 7" S.P.WHEEL DIAMETER - 15-5/8"INLET 9-1/4" - AREA 0.44 SQ. FT.OUTLET 9" x 7-1/2" - AREA 0.44 SQ. FT. VRB-609TIP SPEED (FPM) = 4.09 x RPMBHP does not include drive losses. Performance shown is with inlet and outlet ducts. Data in bold type indicates the quietest and most efficient performance. RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP649 1000 720 0.18779 1200 742 0.22 1001 0.44909 1400 771 0.27 1017 0.50 1221 0.771039 1600 807 0.33 1037 0.58 1236 0.87 1409 1.181169 1800 844 0.40 1064 0.67 1254 0.97 1423 1.30 1576 1.651299 2000 883 0.48 1094 0.77 1275 1.09 1441 1.44 1590 1.81 1728 2.201429 2200 922 0.57 1129 0.89 1302 1.22 1460 1.58 1607 1.98 1743 2.39 1869 2.811559 2400 963 0.68 1166 1.02 1332 1.37 1483 1.75 1627 2.16 1760 2.59 1884 3.03 2001 3.50 2113 3.981689 2600 1004 0.79 1204 1.17 1366 1.55 1511 1.94 1648 2.36 1779 2.80 1902 3.27 2017 3.75 2127 4.25 2232 4.761819 2800 1046 0.92 1243 1.34 1402 1.74 1543 2.15 1674 2.58 1800 3.04 1921 3.52 2035 4.03 2143 4.54 2247 5.071914 3000 1089 1.07 1282 1.51 1440 1.95 1577 2.38 1704 2.82 1825 3.29 1941 3.79 2054 4.31 2161 4.85 2263 5.402078 3200 1133 1.23 1322 1.71 1478 2.17 1613 2.63 1737 3.10 1853 3.58 1965 4.09 2075 4.62 2180 5.18 2281 5.752209 3400 1177 1.41 1363 1.92 1517 2.42 1651 2.90 1771 3.39 1885 3.89 1994 4.42 2098 4.96 2201 5.53 2301 6.122338 3600 1222 1.61 1404 2.15 1556 2.68 1688 3.20 1808 3.71 1919 4.23 2024 4.77 2127 5.33 2225 5.90 2322 6.502469 3800 1267 1.83 1446 2.40 1596 2.96 1727 3.51 1845 4.06 1954 4.60 2057 5.16 2156 5.73 2253 6.32 2346 6.922599 4000 1313 2.06 1488 2.67 1636 3.26 1766 3.85 1883 4.42 1991 4.99 2092 5.57 2189 6.16 2282 6.76 2374 7.392728 4200 1359 2.32 1531 2.96 1676 3.59 1805 4.20 1921 4.81 2028 5.41 2128 6.01 2223 6.62 2314 7.24 2403 7.882859 4400 1406 2.60 1574 3.28 1718 3.93 1845 4.58 1960 5.22 2066 5.85 2165 6.48 2259 7.11 2348 7.75 2435 8.412988 4600 1453 2.91 1618 3.61 1759 4.30 1885 4.98 1999 5.66 2104 6.32 2203 6.98 2295 7.64 2384 8.30 2469 8.973119 4800 1500 3.23 1662 3.98 1802 4.70 1926 5.41 2039 6.12 2143 6.81 2241 7.50 2333 8.19 2420 8.88 2504 9.573248 5000 1548 3.59 1707 4.37 1844 5.12 1967 5.86 2079 6.60 2182 7.33 2279 8.06 2370 8.77 2457 9.48 2540 10.203378 5200 1596 3.97 1752 4.78 1887 5.57 2008 6.35 2119 7.11 2222 7.88 2318 8.63 2409 9.38 2495 10.12 2577 10.873508 5400 1645 4.38 1797 5.22 1931 6.05 2050 6.86 2160 7.65 2262 8.45 2357 9.24 2447 10.02 2533 10.79 2614 11.563638 5600 1694 4.82 1843 5.69 1974 6.55 2093 7.39 2201 8.22 2302 9.05 2396 9.87 2486 10.69 2571 11.49 2652 12.293769 5800 1743 5.28 1889 6.20 2019 7.09 2135 7.96 2242 8.83 2342 9.68 2436 10.54 2525 11.38 2610 12.22 2690 13.06RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP1689 2600 2334 5.291819 2800 2346 5.61 2442 6.171914 3000 2361 5.96 2456 6.54 2547 7.13 2636 7.732078 3200 2378 6.33 2472 6.93 2562 7.53 2649 8.15 2734 8.78 2818 9.432209 3400 2397 6.72 2489 7.33 2579 7.96 2665 8.60 2749 9.25 2831 9.91 2911 10.58 2989 11.262338 3600 2417 7.13 2508 7.76 2597 8.41 2682 9.07 2766 9.73 2846 10.41 2925 11.10 3002 11.80 3077 12.51 3151 13.242469 3800 2438 7.56 2528 8.21 2616 8.88 2701 9.56 2783 10.25 2863 10.94 2941 11.65 3018 12.37 3092 13.10 3165 13.842599 4000 2462 8.02 2550 8.69 2636 9.37 2720 10.07 2802 10.78 2881 11.50 2959 12.23 3034 12.97 3108 13.71 3180 14.472728 4200 2491 8.54 2575 9.20 2658 9.89 2741 10.61 2822 11.34 2900 12.08 2977 12.83 3052 13.59 3125 14.35 3197 15.132859 4400 2520 9.08 2604 9.77 2683 10.46 2764 11.18 2843 11.92 2921 12.68 2997 13.45 3071 14.23 3144 15.02 3215 15.822988 4600 2552 9.65 2633 10.35 2713 11.08 2789 11.80 2866 12.54 2942 13.31 3017 14.10 3091 14.90 3163 15.71 3233 16.533119 4800 2585 10.27 2664 10.99 2742 11.71 2818 12.46 2893 13.22 2966 13.99 3040 14.79 3112 15.60 3183 16.43 3253 17.273248 5000 2620 10.92 2698 11.66 2774 12.40 2848 13.16 2922 13.93 2994 14.72 3064 15.52 3135 16.34 3205 17.18 3274 18.033378 5200 2656 11.61 2732 12.36 2807 13.13 2880 13.90 2952 14.69 3023 15.49 3093 16.31 3161 17.13 3229 17.98 3296 18.843508 5400 2693 12.34 2768 13.11 2842 13.89 2914 14.69 2984 15.49 3054 16.31 3122 17.14 3191 18.00 3255 18.83 3321 19.703638 5600 2730 13.09 2805 13.89 2878 14.70 2948 15.51 3018 16.33 3086 17.16 3153 18.01 3219 18.87 3284 19.74 3349 20.623769 5800 2768 13.89 2842 14.71 2914 15.54 2984 16.38 3052 17.22 3120 18.07 3185 18.93 3250 19.80 3314 20.68 3378 21.583898 6000 2806 14.71 2880 15.57 2951 16.42 3021 17.28 3088 18.14 3154 19.02 3219 19.89 3283 20.78 3346 21.68 3408 22.594028 6200 2844 15.57 2918 16.46 2989 17.34 3058 18.23 3125 19.11 3190 20.01 3254 20.90 3317 21.81 3379 22.73 3440 23.644158 6400 2883 16.46 2956 17.38 3027 18.30 3095 19.21 3162 20.12 3226 21.04 3290 21.96 3352 22.89 3413 23.82 3473 24.774288 6600 2921 17.39 2994 18.34 3065 19.29 3133 20.23 3199 21.17 3264 22.11 3326 23.06 3388 24.01 3448 24.96 3508 25.9317" S.P. 18" S.P. 19" S.P. 20" S.P.10" S.P.VOL. CFMOutlet Vel. FPM11" S.P. 12" S.P. 13" S.P. 14" S.P. 15" S.P. 16" S.P.6" S.P. 7" S.P. 8" S.P. 9" S.P.2" S.P. 3" S.P. 4" S.P. 5" S.P.VRB-611VOL. CFMOutlet Vel. FPM1" S.P.BHP does not include drive losses. Performance shown is with inlet and outlet ducts. Data in bold type indicates the quietest and most efficient performance. WHEEL DIAMETER - 19-1/8"OUTLET 11" x 9-1/16" - AREA 0.657 SQ. FT. INLET 11-1/4" - AREA 0.66 SQ. FT.TIP SPEED (FPM) = 5.01 x RPMRPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP907 1000 610 0.251089 1200 628 0.31 847 0.611270 1400 653 0.37 861 0.70 1033 1.081452 1600 683 0.46 878 0.81 1046 1.21 1192 1.651633 1800 714 0.56 900 0.93 1061 1.36 1204 1.82 1333 2.311815 2000 747 0.67 926 1.08 1079 1.52 1219 2.01 1346 2.53 1462 3.071997 2200 781 0.80 956 1.24 1102 1.71 1236 2.21 1360 2.76 1475 3.33 1581 3.932178 2400 815 0.94 987 1.43 1127 1.92 1255 2.44 1376 3.01 1489 3.62 1594 4.24 1693 4.88 1788 5.562360 2600 850 1.11 1019 1.64 1156 2.16 1279 2.70 1395 3.29 1505 3.92 1609 4.57 1707 5.24 1800 5.93 1888 6.652541 2800 885 1.29 1052 1.87 1187 2.43 1306 3.00 1417 3.60 1523 4.24 1625 4.92 1722 5.62 1813 6.34 1901 7.082723 3000 922 1.49 1085 2.11 1218 2.72 1335 3.32 1442 3.94 1544 4.60 1643 5.30 1738 6.03 1829 6.78 1915 7.542905 3200 958 1.72 1119 2.39 1251 3.03 1365 3.67 1469 4.32 1568 5.00 1663 5.71 1756 6.45 1845 7.23 1930 8.033086 3400 996 1.97 1153 2.68 1283 3.38 1397 4.06 1499 4.74 1595 5.44 1667 6.17 1775 6.92 1863 7.72 1947 8.543268 3600 1034 2.25 1188 3.00 1316 3.74 1429 4.47 1530 5.18 1623 5.91 1713 6.66 1800 7.45 1883 8.24 1965 9.083449 3800 1072 2.55 1223 3.35 1350 4.13 1461 4.91 1561 5.66 1653 6.43 1741 7.20 1825 8.00 1907 8.83 1985 9.673631 4000 1111 2.88 1259 3.73 1384 4.56 1494 5.37 1593 6.18 1684 6.97 1770 7.78 1852 8.60 1931 9.44 2009 10.323813 4200 1150 3.24 1296 4.14 1419 5.01 1527 5.87 1626 6.72 1716 7.56 1801 8.40 1881 9.25 1958 10.11 2034 11.003994 4400 1189 3.63 1332 4.58 1453 5.49 1561 6.40 1658 7.29 1748 8.18 1832 9.05 1911 9.94 1987 10.83 2060 11.744176 4600 1229 4.06 1369 5.05 1489 6.01 1595 6.96 1692 7.90 1781 8.83 1864 9.75 1942 10.67 2017 11.59 2089 12.534357 4800 1269 4.52 1407 5.55 1525 6.56 1629 7.56 1725 8.54 1813 9.52 1896 10.48 1974 11.44 2048 12.40 2119 13.364539 5000 1310 5.01 1445 6.10 1561 7.15 1664 8.19 1759 9.22 1846 10.24 1929 11.25 2006 12.25 2079 13.25 2149 14.254721 5200 1351 5.54 1483 6.68 1597 7.78 1699 8.86 1793 9.94 1880 11.00 1961 12.06 2038 13.10 2111 14.14 2180 15.184902 5400 1392 6.12 1521 7.29 1634 8.44 1735 9.57 1827 10.69 1914 11.80 1994 12.90 2071 13.99 2143 15.08 2212 16.155084 5600 1433 6.73 1560 7.95 1671 9.15 1771 10.33 1862 11.49 1948 12.64 2028 13.79 2103 14.93 2175 16.05 2244 17.175265 5800 1475 7.38 1599 8.65 1708 9.90 1807 11.12 1897 12.33 1982 13.52 2062 14.71 2137 15.90 2208 17.07 2276 18.24RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP2360 2600 1975 7.392541 2800 1985 7.84 2066 8.622723 3000 1998 8.33 2078 9.13 2155 9.95 2230 10.802905 3200 2013 8.84 2092 9.67 2168 10.52 2242 11.38 2314 12.26 2384 13.173086 3400 2028 9.38 2106 10.24 2182 11.12 2255 12.01 2326 12.91 2395 13.83 2463 14.77 2529 15.733268 3600 2045 9.95 2122 10.84 2197 11.74 2270 12.66 2340 13.60 2408 14.54 2475 15.51 2540 16.48 2604 17.48 2667 18.493449 3800 2063 10.56 2139 11.47 2213 12.40 2285 13.35 2355 14.31 2423 15.29 2489 16.28 2553 17.28 2616 18.30 2678 19.333631 4000 2083 11.21 2158 12.13 2231 13.09 2302 14.06 2371 15.06 2438 16.06 2504 17.08 2567 18.11 2630 19.16 2691 20.213813 4200 2108 11.93 2178 12.85 2249 13.82 2319 14.82 2388 15.83 2454 16.87 2519 17.91 2583 18.97 2645 20.05 2705 21.133994 4400 2132 12.68 2203 13.64 2271 14.61 2338 15.61 2406 16.65 2471 17.71 2536 18.78 2599 19.87 2660 20.98 2720 22.094176 4600 2159 13.48 2228 14.46 2296 15.48 2360 16.47 2425 17.52 2490 18.60 2553 19.69 2615 20.81 2676 21.94 2736 23.084357 4800 2187 14.34 2254 15.34 2320 16.36 2385 17.40 2448 18.46 2510 19.54 2572 20.65 2633 21.79 2694 22.94 2753 24.114539 5000 2217 15.26 2283 16.28 2347 17.32 2410 18.38 2472 19.46 2533 20.56 2593 21.67 2653 22.82 2712 24.00 2770 25.194721 5200 2247 16.22 2312 17.27 2375 18.34 2437 19.42 2498 20.52 2558 21.64 2617 22.79 2674 23.93 2732 25.11 2789 26.324902 5400 2278 17.23 2342 18.31 2405 19.40 2465 20.51 2525 21.63 2584 22.77 2642 23.93 2700 25.14 2755 26.30 2810 27.515084 5600 2310 18.29 2373 19.41 2435 20.53 2495 21.66 2553 22.81 2611 23.97 2668 25.15 2724 26.35 2779 27.57 2834 28.805265 5800 2342 19.39 2405 20.55 2466 21.71 2525 22.87 2583 24.05 2640 25.24 2695 26.44 2750 27.66 2804 28.89 2858 30.145447 6000 2374 20.55 2437 21.74 2497 22.94 2556 24.14 2613 25.34 2669 26.56 2724 27.79 2778 29.03 2831 30.28 2884 31.565629 6200 2406 21.74 2469 22.98 2529 24.22 2587 25.46 2644 26.70 2699 27.94 2753 29.20 2807 30.46 2859 31.74 2911 33.045810 6400 2439 22.99 2501 24.28 2561 25.55 2619 26.83 2675 28.11 2730 29.39 2784 30.67 2836 31.97 2888 33.27 2939 34.595992 6600 2472 24.29 2534 25.61 2593 26.94 2651 28.26 2707 29.57 2761 30.89 2815 32.21 2867 33.53 2918 34.87 2968 36.21VRB-613BHP does not include drive losses. Performance shown is with inlet and outlet ducts. Data in bold type indicates the quietest and most efficient performance. WHEEL DIAMETER - 22-5/8"OUTLET 13" x 10-1/2" - AREA 0.918 SQ. FT. INLET 13-1/4" - AREA 0.92 SQ. FT.TIP SPEED (FPM) = 5.92 x RPMVOL. CFMOutlet Vel. FPM1" S.P. 7" S.P. 8" S.P. 9" S.P.2" S.P. 3" S.P. 4" S.P. 5" S.P. 10" S.P.VOL. CFMOutlet Vel. FPM11" S.P. 12" S.P. 13" S.P. 14" S.P. 15" S.P. 16" S.P.6" S.P.17" S.P. 18" S.P. 19" S.P. 20" S.P.RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP1208 1000 528 0.331449 1200 544 0.41 734 0.811692 1400 566 0.50 746 0.94 895 1.431933 1600 592 0.61 761 1.07 906 1.61 1033 2.192175 1800 619 0.74 780 1.24 920 1.80 1044 2.42 1156 3.082417 2000 647 0.89 803 1.43 935 2.02 1056 2.67 1166 3.36 1267 4.092658 2200 676 1.06 828 1.65 955 2.27 1071 2.95 1179 3.68 1278 4.44 1371 5.232900 2400 706 1.26 856 1.90 977 2.55 1088 3.25 1193 4.01 1291 4.81 1382 5.64 1468 6.50 1550 7.403142 2600 736 1.47 883 2.18 1002 2.87 1108 3.60 1209 4.38 1305 5.21 1395 6.08 1479 6.98 1560 7.90 1637 8.853384 2800 767 1.72 911 2.48 1028 3.23 1131 3.99 1228 4.79 1320 5.65 1408 6.55 1492 7.29 1572 8.44 1647 9.433625 3000 799 1.99 940 2.82 1056 3.62 1157 4.42 1250 5.25 1338 6.12 1424 7.05 1506 8.02 1585 9.02 1660 10.043866 3200 831 2.29 970 3.18 1084 4.04 1183 4.89 1274 5.76 1359 6.66 1441 7.60 1521 8.60 1599 9.63 1673 10.694109 3400 863 2.62 999 3.57 1112 4.49 1210 5.40 1299 6.31 1382 7.24 1452 8.21 1539 9.22 1614 10.28 1687 11.374350 3600 896 2.99 1030 4.00 1141 4.98 1238 5.95 1326 6.90 1407 7.87 1484 8.87 1560 9.92 1632 10.97 1703 12.104592 3800 929 3.39 1060 4.46 1170 5.50 1266 6.53 1353 7.54 1433 8.55 1509 9.59 1581 10.65 1652 11.75 1720 12.874834 4000 963 3.84 1091 4.97 1200 6.07 1295 7.15 1381 8.22 1460 9.29 1534 10.36 1605 11.45 1674 12.57 1741 13.745075 4200 996 4.32 1123 5.51 1229 6.67 1324 7.82 1409 8.95 1487 10.06 1561 11.18 1630 12.31 1697 13.47 1762 14.755317 4400 1031 4.84 1156 6.09 1260 7.31 1353 8.52 1437 9.71 1515 10.89 1588 12.05 1656 13.23 1722 14.42 1786 15.635559 4600 1065 5.40 1187 6.72 1290 8.00 1382 9.27 1466 10.52 1543 11.76 1615 12.98 1683 14.20 1748 15.43 1810 16.685801 4800 1100 6.01 1219 7.40 1321 8.74 1412 10.06 1495 11.37 1572 12.67 1643 13.95 1711 15.23 1775 16.50 1836 17.796042 5000 1135 6.67 1252 8.12 1353 9.52 1442 10.90 1524 12.28 1600 13.64 1671 14.98 1738 16.31 1802 17.64 1863 18.976284 5200 1171 7.38 1285 8.89 1384 10.36 1473 11.80 1554 13.23 1629 14.65 1700 16.05 1766 17.44 1829 18.83 1890 20.216526 5400 1206 8.14 1318 9.71 1416 11.24 1504 12.75 1584 14.23 1659 15.71 1728 17.18 1795 18.63 1857 20.07 1917 21.506767 5600 1242 8.96 1352 10.59 1448 12.18 1535 13.75 1614 15.29 1688 16.83 1757 18.36 1823 19.87 1885 21.37 1945 22.867010 5800 1278 9.83 1385 11.52 1480 13.18 1566 14.81 1644 16.41 1718 18.00 1787 19.59 1852 21.17 1914 22.73 1973 24.28RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP3142 2600 1711 9.843384 2800 1720 10.44 1791 11.483625 3000 1732 11.09 1801 12.16 1868 13.25 1933 14.373866 3200 1744 11.77 1813 12.88 1879 14.01 1943 15.15 2005 16.33 2066 17.534109 3400 1758 12.49 1826 13.64 1891 14.80 1954 15.99 2016 17.19 2076 18.42 2134 19.67 2192 20.954350 3600 1772 13.25 1839 14.43 1904 15.64 1967 16.86 2028 18.10 2087 19.36 2145 20.64 2201 21.95 2257 23.27 2311 24.624592 3800 1788 14.05 1854 15.27 1918 16.51 1980 17.77 2041 19.05 2100 20.35 2157 21.67 2213 23.01 2267 24.36 2321 25.734834 4000 1806 14.92 1870 16.15 1933 17.43 1995 18.72 2055 20.04 2113 21.38 2170 22.74 2225 24.11 2279 25.50 2332 26.915075 4200 1827 15.88 1888 17.11 1949 18.40 2010 19.73 2069 21.08 2127 22.46 2183 23.85 2238 25.26 2292 26.69 2344 28.145317 4400 1848 16.88 1909 18.17 1968 19.45 2027 20.79 2085 22.17 2142 23.58 2198 25.01 2252 26.46 2305 27.93 2357 29.415559 4600 1871 17.95 1931 19.25 1990 20.61 2046 21.93 2102 23.32 2158 24.76 2213 26.22 2267 27.71 2319 29.21 2371 30.735801 4800 1896 19.10 1954 20.43 2011 21.78 2067 23.17 2121 24.58 2175 26.01 2229 27.49 2282 29.01 2334 30.55 2386 32.116042 5000 1921 20.31 1978 21.67 2034 23.06 2089 24.47 2143 25.91 2196 27.38 2247 28.85 2299 30.38 2350 31.95 2401 33.546284 5200 1948 21.59 2004 22.99 2059 24.41 2112 25.85 2165 27.32 2217 28.81 2268 30.34 2318 31.85 2368 33.43 2417 35.046526 5400 1975 22.94 2030 24.38 2084 25.83 2137 27.31 2188 28.80 2239 30.32 2289 31.86 2340 33.47 2387 35.02 2435 36.636767 5600 2002 24.35 2057 25.84 2110 27.33 2162 28.84 2213 30.37 2263 31.92 2312 33.49 2361 35.08 2408 36.70 2456 38.357010 5800 2030 25.82 2084 27.36 2137 28.90 2188 30.45 2238 32.02 2288 33.60 2336 35.20 2384 36.82 2431 38.46 2477 40.137251 6000 2058 27.35 2112 28.95 2154 30.54 2215 32.14 2265 33.74 2313 35.36 2361 36.99 2408 38.65 2454 40.32 2499 42.017492 6200 2086 28.95 2140 30.60 2192 32.25 2242 33.89 2291 35.54 2339 37.20 2386 38.87 2432 40.56 2478 42.26 2523 43.997734 6400 2114 30.61 2168 32.32 2220 34.02 2270 35.72 2319 37.42 2366 39.12 2413 40.83 2458 42.56 2503 44.30 2547 46.057976 6600 2142 32.33 2196 34.10 2248 35.86 2298 37.62 2346 39.37 2393 41.12 2439 42.68 2484 44.64 2529 46.42 2572 48.2117" S.P. 18" S.P. 19" S.P. 20" S.P.10" S.P.VOL. CFMOutlet Vel. FPM11" S.P. 12" S.P. 13" S.P. 14" S.P. 15" S.P. 16" S.P.6" S.P. 7" S.P. 8" S.P. 9" S.P.2" S.P. 3" S.P. 4" S.P. 5" S.P.VRB-615VOL. CFMOutlet Vel. FPM1" S.P.BHP does not include drive losses. Performance shown is with inlet and outlet ducts. Data in bold type indicates the quietest and most efficient performance. WHEEL DIAMETER - 26-1/8"OUTLET 15" x 12-1/8" - AREA 1.222 SQ. FT. INLET 15-1/4" - AREA 1.23 SQ. FT.TIP SPEED (FPM) = 6.84 x RPMRPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP1552 1000 466 0.431863 1200 480 0.52 647 1.042173 1400 499 0.64 658 1.20 790 1.842484 1600 522 0.79 671 1.38 800 2.07 912 2.812794 1800 546 0.95 688 1.59 811 2.32 921 3.11 1020 3.953105 2000 571 1.15 708 1.84 825 2.59 932 3.43 1029 4.32 1118 5.253416 2200 597 1.37 731 2.12 842 2.92 945 3.79 1040 4.72 1128 5.70 1209 6.723726 2400 623 1.62 755 2.45 862 3.28 960 4.18 1052 5.15 1139 6.18 1219 7.25 1295 8.35 1367 9.504037 2600 650 1.89 779 2.80 884 3.69 978 4.63 1066 5.63 1151 6.70 1230 7.81 1305 8.96 1376 10.15 1444 11.374347 2800 677 2.21 804 3.19 907 4.15 998 5.12 1083 6.16 1165 7.25 1243 8.41 1317 9.61 1387 10.85 1454 12.114658 3000 705 2.56 830 3.62 932 4.65 1021 5.68 1103 6.75 1181 7.87 1256 9.06 1329 10.30 1398 11.59 1464 12.904968 3200 733 2.94 856 4.08 956 5.19 1044 6.28 1124 7.39 1199 8.55 1272 9.76 1342 11.04 1411 12.37 1476 13.735279 3400 761 3.37 882 4.58 981 5.77 1068 6.94 1146 8.10 1220 9.30 1290 10.55 1358 11.84 1424 13.20 1489 14.615589 3600 790 3.84 909 5.13 1007 6.40 1093 7.64 1170 8.87 1241 10.11 1310 11.39 1376 12.74 1440 14.10 1502 15.545900 3800 820 4.36 936 5.73 1032 7.07 1117 8.39 1194 9.69 1264 10.99 1331 12.31 1395 13.68 1458 15.10 1518 16.546210 4000 849 4.93 963 6.38 1059 7.79 1142 9.19 1218 10.56 1288 11.93 1354 13.30 1416 14.71 1477 16.15 1536 17.656521 4200 879 5.54 991 7.07 1085 8.56 1168 10.04 1243 11.49 1312 12.93 1377 14.36 1438 15.81 1498 17.30 1555 18.826832 4400 909 6.21 1019 7.83 1111 9.39 1194 10.94 1268 12.47 1337 13.98 1401 15.48 1461 16.99 1519 18.52 1576 20.087142 4600 940 6.94 1047 8.63 1138 10.28 1220 11.90 1294 13.51 1362 15.10 1425 16.67 1485 18.24 1542 19.82 1597 21.427453 4800 971 7.72 1076 9.50 1166 11.23 1246 12.92 1319 14.61 1387 16.28 1450 17.92 1509 19.56 1566 21.20 1620 22.857763 5000 1002 8.57 1105 10.43 1193 12.23 1273 14.01 1345 15.77 1412 17.51 1475 19.24 1534 20.95 1590 22.65 1643 24.368074 5200 1033 9.48 1134 11.42 1221 13.30 1299 15.16 1371 16.99 1438 18.81 1500 20.62 1559 22.41 1614 24.18 1667 25.958384 5400 1064 10.46 1163 12.47 1249 14.44 1327 16.37 1397 18.28 1463 20.18 1525 22.07 1583 23.93 1639 25.78 1692 27.628695 5600 1096 11.50 1193 13.60 1278 15.65 1354 17.66 1424 19.64 1490 21.62 1551 23.58 1608 25.52 1664 27.45 1716 29.369005 5800 1128 12.62 1222 14.80 1306 16.93 1382 19.02 1451 21.08 1516 23.12 1576 25.16 1634 27.19 1689 29.19 1741 31.18RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP4037 2600 1510 12.644347 2800 1518 13.41 1580 14.744658 3000 1528 14.24 1589 15.61 1648 17.02 1706 18.464968 3200 1539 15.12 1599 16.54 1658 17.99 1714 19.47 1769 20.97 1823 22.525279 3400 1551 16.05 1611 17.52 1669 19.01 1725 20.53 1779 22.08 1832 23.66 1883 25.26 1934 26.905589 3600 1564 17.02 1623 18.54 1680 20.08 1736 21.65 1789 23.25 1842 24.87 1893 26.52 1942 28.19 1991 29.89 2039 31.625900 3800 1578 18.05 1636 19.61 1693 21.21 1747 22.83 1801 24.47 1853 26.14 1903 27.83 1953 29.55 2001 31.29 2048 33.056210 4000 1593 19.16 1650 20.75 1706 22.38 1760 24.05 1813 25.74 1864 27.46 1914 29.21 1963 30.97 2011 32.76 2058 34.576521 4200 1612 20.39 1666 21.97 1720 23.63 1774 25.34 1826 27.08 1877 28.84 1926 30.63 1975 32.45 2022 34.28 2069 36.146832 4400 1630 21.68 1685 23.33 1736 24.98 1788 26.70 1840 28.48 1890 30.29 1939 32.12 1987 33.99 2034 35.87 2080 37.787142 4600 1651 23.06 1703 24.73 1756 26.47 1805 28.17 1855 29.96 1904 31.80 1952 33.68 2000 35.59 2047 37.52 2092 39.477453 4800 1673 24.53 1724 26.24 1774 27.98 1824 29.76 1872 31.57 1919 33.41 1967 35.32 2014 37.26 2060 39.24 2105 41.247763 5000 1695 26.09 1746 27.84 1795 29.62 1843 31.43 1891 33.28 1937 35.16 1983 37.06 2020 39.02 2074 41.03 2118 43.088074 5200 1718 27.73 1768 29.53 1816 31.35 1864 33.20 1910 35.09 1956 37.00 2001 38.97 2045 40.91 2089 42.93 2133 45.008384 5400 1742 29.46 1791 31.31 1839 33.18 1885 35.08 1931 37.00 1976 38.95 2020 40.93 2065 42.99 2106 44.98 2149 47.058695 5600 1766 31.27 1815 33.18 1862 35.11 1908 37.05 1953 39.01 1997 41.00 2040 43.01 2083 45.06 2125 47.14 2167 49.259005 5800 1791 33.16 1839 35.14 1886 37.12 1931 39.11 1975 41.12 2019 43.15 2061 45.21 2103 47.29 2145 49.40 2186 51.559316 6000 1815 35.13 1863 37.18 1910 39.23 1954 41.28 1998 43.34 2041 45.42 2083 47.52 2124 29.64 2165 51.79 2205 53.969626 6200 1840 37.18 1888 39.31 1934 41.42 1978 43.53 2022 45.65 2064 47.78 2106 49.93 2146 52.09 2186 54.28 2226 56.509937 6400 1865 39.32 1913 41.51 1958 43.70 2003 45.88 2046 48.06 2088 50.25 2129 52.45 2169 54.66 2208 56.90 2247 59.1510248 6600 1890 41.53 1938 43.80 1983 46.07 2027 48.32 2070 50.57 2112 52.82 2152 55.07 2192 57.34 2231 59.62 2270 61.9217" S.P. 18" S.P. 19" S.P. 20" S.P.10" S.P.VOL. CFMOutlet Vel. FPM11" S.P. 12" S.P. 13" S.P. 14" S.P. 15" S.P. 16" S.P.6" S.P. 7" S.P. 8" S.P. 9" S.P.2" S.P. 3" S.P. 4" S.P. 5" S.P.VRB-617VOL. CFMOutlet Vel. FPM1" S.P.BHP does not include drive losses. Performance shown is with inlet and outlet ducts. Data in bold type indicates the quietest and most efficient performance. WHEEL DIAMETER - 29-5/8"OUTLET 17" x 13-3/4" - AREA 1.57 SQ. FT. INLET 17-1/4" - AREA 1.58 SQ. FT.TIP SPEED (FPM) = 7.76 x RPMRPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP1939 1000 417 0.542327 1200 429 0.65 579 1.302714 1400 447 0.80 589 1.50 707 2.303103 1600 467 0.98 601 1.72 716 2.58 816 3.523491 1800 489 1.19 616 1.99 726 2.89 824 3.88 912 4.943878 2000 511 1.43 634 2.30 738 3.24 834 4.29 921 5.40 1000 6.564266 2200 534 1.71 654 2.65 754 3.64 845 4.73 931 5.90 1009 7.12 1082 8.404654 2400 557 2.02 675 3.05 771 4.10 859 5.22 942 6.44 1019 7.72 1091 9.05 1159 10.43 1223 11.875042 2600 581 2.37 697 3.50 791 4.61 875 5.78 954 7.03 1030 8.37 1101 9.76 1168 11.20 1231 12.68 1292 14.205430 2800 606 2.76 720 3.99 812 5.18 893 6.40 969 7.69 1042 9.06 1112 10.51 1178 12.01 1241 13.55 1301 15.135818 3000 631 3.19 742 4.52 834 5.81 913 7.09 987 8.43 1056 9.83 1124 11.32 1189 12.87 1251 14.47 1310 14.116205 3200 656 3.68 766 5.10 856 6.48 934 7.85 1005 9.24 1073 10.68 1138 12.19 1201 13.79 1262 15.45 1321 17.156593 3400 681 4.21 789 5.73 878 7.21 956 8.66 1026 10.12 1091 11.62 1154 13.17 1215 14.79 1274 16.49 1332 18.256982 3600 707 4.80 813 6.41 901 7.99 978 9.54 1047 11.08 1111 12.63 1172 14.23 1232 15.91 1288 17.61 1344 19.417370 3800 733 5.45 837 7.16 924 8.83 1000 10.48 1068 12.10 1131 13.72 1191 15.38 1248 17.09 1305 18.86 1358 20.667757 4000 760 6.15 862 7.97 947 9.73 1022 11.48 1090 13.19 1153 14.90 1211 16.62 1267 18.37 1321 20.18 1375 22.058145 4200 787 6.92 886 8.84 971 10.70 1045 12.54 1112 14.35 1174 16.15 1232 17.94 1287 19.75 1340 21.60 1391 23.508533 4400 814 7.76 912 9.78 994 11.73 1068 13.67 1135 15.58 1196 17.47 1253 19.34 1308 21.22 1360 23.13 1410 25.088921 4600 841 8.67 937 10.78 1019 12.84 1091 14.87 1157 16.88 1218 18.86 1275 20.83 1329 22.78 1380 24.76 1429 26.769309 4800 869 9.65 962 11.87 1043 14.02 1115 16.14 1180 18.25 1241 20.33 1297 22.39 1350 24.43 1401 26.48 1450 28.559697 5000 896 10.71 988 13.02 1068 15.28 1139 17.50 1204 19.70 1263 21.89 1320 24.03 1372 26.17 1422 28.30 1470 30.4310084 5200 924 11.84 1014 14.26 1093 16.62 1163 18.93 1227 21.22 1286 23.50 1342 25.76 1394 27.99 1444 30.20 1492 32.4210472 5400 952 13.06 1041 15.58 1118 18.04 1187 20.45 1250 22.83 1309 25.21 1365 27.56 1417 29.89 1466 32.20 1514 34.5010861 5600 981 14.37 1067 16.99 1143 19.55 1212 22.06 1274 24.54 1333 27.00 1387 29.45 1439 31.88 1488 34.29 1535 36.6811248 5800 1009 15.76 1094 18.49 1169 21.14 1236 23.76 1298 26.33 1356 28.88 1411 31.43 1462 33.96 1511 36.47 1558 38.95RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP5042 2600 1351 15.795430 2800 1358 16.75 1414 18.425818 3000 1367 17.79 1422 19.50 1475 21.26 1526 23.066205 3200 1377 18.89 1431 20.66 1483 22.47 1534 24.31 1583 26.20 1631 28.136593 3400 1388 20.04 1441 21.88 1493 23.75 1543 25.65 1592 27.58 1639 29.55 1685 31.56 1730 33.616982 3600 1399 21.26 1452 23.16 1503 25.09 1553 27.05 1601 29.04 1648 31.07 1693 33.12 1738 35.21 1782 37.33 1824 39.507370 3800 1412 22.55 1464 24.50 1514 26.49 1564 28.51 1611 30.57 1658 32.65 1703 34.77 1747 36.91 1790 39.08 1832 41.297757 4000 1425 23.94 1476 25.92 1526 27.96 1575 30.04 1622 32.16 1668 34.31 1713 36.48 1757 38.69 1799 40.92 1841 43.188145 4200 1442 25.47 1491 27.45 1539 29.52 1587 31.65 1634 33.82 1679 36.03 1724 38.27 1767 40.53 1809 42.82 1851 45.148533 4400 1459 27.08 1507 29.15 1554 31.20 1600 33.35 1646 35.57 1691 37.83 1735 40.13 1778 42.45 1820 44.81 1861 47.198921 4600 1477 28.80 1524 30.89 1571 33.06 1615 35.19 1659 37.42 1703 39.72 1747 42.07 1789 44.45 1831 46.87 1872 49.319309 4800 1497 30.64 1542 32.78 1587 34.95 1632 37.17 1675 39.43 1717 41.74 1760 44.11 1802 46.54 1843 49.01 1883 51.519697 5000 1517 32.59 1562 34.78 1606 37.00 1649 39.26 1692 41.57 1733 43.92 1774 46.30 1815 48.75 1855 51.26 1895 53.8110084 5200 1538 34.64 1582 36.89 1625 39.17 1668 41.48 1709 43.83 1750 46.22 1791 48.67 1830 51.11 1869 53.63 1908 56.2110472 5400 1559 36.80 1603 39.12 1645 41.45 1687 43.81 1728 46.21 1768 48.65 1807 51.12 1847 53.69 1885 56.18 1923 58.7710861 5600 1580 39.06 1624 41.45 1666 43.85 1707 46.28 1747 48.73 1787 51.21 1825 53.73 1864 56.29 1901 58.88 1939 61.5211248 5800 1602 41.43 1645 43.90 1687 46.37 1728 48.86 1767 51.37 1806 53.90 1844 56.47 1882 59.07 1919 61.71 1955 64.3911636 6000 1624 43.89 1667 46.45 1709 49.00 1749 51.56 1788 54.13 1826 56.73 1864 59.35 1901 62.00 1937 64.69 1973 67.4112024 6200 1647 46.45 1689 49.10 1730 51.74 1770 54.38 1809 57.03 1847 59.69 1884 62.37 1920 65.07 1956 67.81 1992 70.5712411 6400 1669 49.11 1711 51.85 1752 54.59 1792 57.31 1830 60.04 1868 62.77 1905 65.52 1941 68.20 1976 71.07 2011 73.8912800 6600 1691 51.88 1734 54.72 1774 57.54 1814 60.36 1852 63.17 1889 65.98 1926 68.80 1961 71.63 1996 74.48 2031 77.3517" S.P. 18" S.P. 19" S.P. 20" S.P.10" S.P.VOL. CFMOutlet Vel. FPM11" S.P. 12" S.P. 13" S.P. 14" S.P. 15" S.P. 16" S.P.6" S.P. 7" S.P. 8" S.P. 9" S.P.2" S.P. 3" S.P. 4" S.P. 5" S.P.VRB-619VOL. CFMOutlet Vel. FPM1" S.P.BHP does not include drive losses. Performance shown is with inlet and outlet ducts. Data in bold type indicates the quietest and most efficient performance. WHEEL DIAMETER - 33"OUTLET 19" x 15-3/8" - AREA 1.961 SQ. FT. INLET 19-1/4" - AREA 1.97 SQ. FT.TIP SPEED (FPM) = 8.64 x RPMRPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP2383 1000 380 0.612860 1200 394 0.76 524 1.503336 1400 409 0.93 536 1.72 638 2.663813 1600 425 1.13 550 1.99 649 2.96 737 4.074290 1800 443 1.37 565 2.30 662 3.32 747 4.45 824 5.714766 2000 463 1.66 580 2.66 677 3.75 760 4.91 834 6.19 904 7.585243 2200 484 1.99 596 3.06 691 4.22 773 5.45 847 6.76 914 8.16 978 9.685720 2400 506 2.37 613 3.51 706 4.74 788 6.04 861 7.41 927 8.85 989 10.37 1048 12.00 1105 13.746197 2600 528 2.80 631 4.03 722 5.32 803 6.70 875 8.13 941 9.62 1002 11.18 1059 12.82 1114 14.56 1168 16.396673 2800 550 3.27 651 4.61 738 5.97 818 7.41 890 8.91 955 10.47 1015 12.08 1072 13.76 1126 15.51 1178 17.357150 3000 574 3.80 673 5.26 756 6.68 833 8.19 904 9.76 969 11.39 1030 13.06 1086 14.79 1139 16.59 1190 18.457627 3200 597 4.39 694 5.96 775 7.46 850 9.04 920 10.69 984 12.38 1044 14.13 1100 15.92 1153 17.76 1203 19.678103 3400 621 5.04 716 6.73 795 8.33 867 9.96 936 11.68 999 13.45 1059 15.27 1115 17.13 1167 19.03 1217 20.998580 3600 645 5.75 738 7.57 816 9.28 885 10.97 952 12.75 1015 14.60 1074 16.49 1130 18.42 1182 20.39 1232 22.419057 3800 669 6.53 760 8.47 837 10.31 905 12.08 969 13.92 1031 15.83 1089 17.79 1144 19.80 1197 21.84 1246 23.939533 4000 694 7.38 783 9.46 859 11.41 925 13.28 988 15.17 1048 17.15 1105 19.18 1160 21.26 1212 23.38 1261 25.5410010 4200 718 8.31 806 10.51 881 12.58 947 14.58 1007 16.54 1065 18.56 1121 20.67 1175 22.82 1227 25.01 1276 27.2410487 4400 743 9.32 829 11.65 903 13.84 968 15.96 1027 18.00 1084 20.09 1138 22.25 1191 24.47 1242 26.74 1291 29.0410964 4600 769 10.41 853 12.88 925 15.19 990 17.42 1048 19.58 1103 21.73 1156 23.94 1208 26.23 1258 28.56 1307 30.9411440 4800 794 11.59 877 14.19 948 16.63 1011 18.97 1069 21.26 1123 23.49 1175 25.76 1225 28.10 1275 30.50 1322 32.9511917 5000 820 12.87 901 15.59 971 18.16 1033 20.62 1091 23.03 1144 25.36 1194 27.69 1244 30.09 1292 32.55 1339 35.0712394 5200 846 14.23 925 17.08 994 19.78 1056 22.38 1113 24.89 1165 27.35 1215 29.76 1263 32.21 1310 34.73 1356 37.3112870 5400 872 15.70 949 18.68 1017 21.51 1078 24.22 1134 26.85 1187 29.44 1236 31.95 1282 34.47 1328 37.04 1373 39.6713347 5600 898 17.27 974 20.38 1041 23.33 1101 26.17 1156 28.92 1208 31.63 1257 34.26 1303 36.86 1347 39.49 1391 42.1813824 5800 924 18.95 999 22.18 1064 25.57 1124 28.23 1179 31.12 1230 33.92 1278 36.69 1324 39.39 1367 42.08 1410 44.83RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP6197 2600 1219 18.346673 2800 1228 19.28 1277 21.307150 3000 1239 20.38 1287 22.40 1333 24.50 1378 26.707627 3200 1252 21.63 1298 23.66 1343 25.77 1388 27.95 1431 30.22 1473 32.588103 3400 1265 23.00 1311 25.06 1356 27.19 1399 29.38 1441 31.65 1482 33.99 1523 36.41 1563 38.918580 3600 1279 24.47 1325 26.69 1369 28.75 1412 30.97 1453 33.25 1493 35.60 1533 38.02 1572 40.50 1610 43.06 1648 45.719057 3800 1294 26.05 1339 28.22 1383 30.43 1425 32.70 1466 35.01 1506 37.38 1545 39.81 1583 42.30 1620 44.86 1657 47.499533 4000 1308 27.73 1353 29.96 1397 32.23 1439 34.55 1480 36.91 1519 39.32 1558 41.78 1595 44.29 1632 46.86 1668 49.4910010 4200 1323 29.51 1368 31.80 1411 34.14 1453 36.52 1494 38.93 1533 41.39 1571 43.89 1608 46.44 1645 49.04 1680 51.6910487 4400 1338 31.38 1383 33.75 1426 36.16 1468 38.60 1508 41.07 1547 43.58 1585 46.14 1622 48.73 1658 51.37 1693 54.0610964 4600 1353 33.36 1398 35.80 1441 38.28 1482 40.79 1522 43.33 1561 45.90 1599 48.52 1636 51.16 1672 53.85 1707 56.5811440 4800 1368 35.44 1413 37.96 1456 40.51 1497 43.09 1537 45.70 1576 48.34 1614 51.02 1650 53.73 1686 56.47 1721 59.2511917 5000 1384 37.63 1428 40.22 1471 42.85 1512 45.50 1552 48.19 1591 50.90 1628 53.64 1665 56.42 1701 59.22 1735 62.0612394 5200 1400 39.93 1444 42.60 1486 45.30 1527 48.03 1567 50.79 1605 53.57 1643 56.39 1680 59.23 1715 62.10 1750 65.0112870 5400 1417 42.36 1460 45.10 1502 47.87 1543 50.67 1582 53.51 1621 56.37 1658 59.26 1694 62.17 1730 65.11 1764 68.0813347 5600 1434 44.93 1477 47.73 1518 50.57 1558 53.44 1598 56.35 1636 59.29 1673 62.25 1709 65.24 1745 68.25 1779 71.2913824 5800 1452 47.63 1494 50.49 1535 53.40 1574 56.34 1613 59.32 1651 62.33 1688 65.37 1724 68.43 1760 71.52 1794 74.6414300 6000 1471 50.49 1512 53.40 1552 56.37 1591 59.38 1629 62.43 1667 65.51 1704 68.62 1740 71.76 1775 74.93 1809 78.1114777 6200 1491 53.50 1530 56.47 1569 59.49 1608 62.56 1646 65.68 1683 68.83 1720 72.01 1755 75.23 1790 78.46 1824 81.7315254 6400 1511 56.67 1549 59.69 1588 62.77 1626 65.90 1663 69.08 1700 72.30 1736 75.55 1771 78.83 1806 82.14 1840 85.4815731 6600 1531 60.00 1569 63.08 1607 66.22 1644 69.40 1681 72.64 1717 75.92 1752 79.24 1787 82.59 1821 85.97 1855 89.3817" S.P. 18" S.P. 19" S.P. 20" S.P.10" S.P.VOL. CFMOutlet Vel. FPM11" S.P. 12" S.P. 13" S.P. 14" S.P. 15" S.P. 16" S.P.6" S.P. 8" S.P. 9" S.P.2" S.P. 3" S.P. 4" S.P. 5" S.P.VOL. CFMOutlet Vel. FPM1" S.P. 7" S.P.VRB-621BHP does not include drive losses. Performance shown is with inlet and outlet ducts. Data in bold type indicates the quietest and most efficient performance. WHEEL DIAMETER - 36-1/2"OUTLET 21" x 17" - AREA 2.41 SQ. FT. INLET 21-1/4" - AREA 2.40 SQ. FT.TIP SPEED (FPM) = 9.56 x RPMRPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP2858 1000 347 0.743429 1200 360 0.91 478 1.804001 1400 373 1.11 489 2.06 583 3.194573 1600 388 1.36 502 2.39 593 3.55 672 4.885144 1800 404 1.65 516 2.76 605 3.99 682 5.34 752 6.855716 2000 422 1.99 529 3.19 618 4.49 693 5.90 762 7.42 825 9.096288 2200 442 2.39 544 3.67 631 5.06 706 6.54 773 8.11 835 9.79 893 11.616859 2400 462 2.84 559 4.21 645 5.69 719 7.25 786 8.88 846 10.61 903 12.44 957 14.40 1009 16.487431 2600 482 3.36 576 4.83 659 6.39 733 8.03 799 9.75 859 11.54 915 13.41 967 15.38 1017 17.46 1066 19.668002 2800 503 3.92 595 5.53 674 7.16 747 8.89 812 10.69 872 12.55 927 14.49 979 16.51 1028 18.61 1075 20.818574 3000 524 4.56 614 6.30 690 8.01 761 9.82 826 11.71 885 13.66 940 15.67 992 17.75 1040 19.90 1087 22.139146 3200 545 5.26 634 7.15 707 8.95 776 10.84 840 12.82 899 14.85 953 16.95 1005 19.10 1053 21.31 1099 23.599717 3400 567 6.04 654 8.07 726 9.99 792 11.95 854 14.01 913 16.14 967 18.32 1018 20.55 1066 22.83 1112 25.1810289 3600 589 6.89 674 9.08 745 11.13 808 13.16 869 15.30 927 17.51 981 19.78 1031 22.10 1079 24.46 1125 26.8810861 3800 611 7.83 694 10.17 764 12.37 826 14.49 885 16.69 941 18.99 995 21.34 1045 23.75 1093 26.20 1138 28.7011432 4000 633 8.86 715 11.34 784 13.69 845 15.93 902 18.20 957 20.57 1009 23.01 1059 25.51 1106 28.05 1151 30.6312004 4200 656 9.97 736 12.61 804 15.09 864 17.48 919 19.83 973 22.27 1024 24.79 1073 27.37 1120 30.00 1165 32.6812576 4400 679 11.18 757 13.98 824 16.61 884 19.14 938 21.60 989 24.10 1039 26.69 1088 29.35 1134 32.07 1179 34.8413147 4600 702 12.49 779 15.44 845 18.22 904 20.90 957 23.49 1007 26.06 1056 28.72 1103 31.46 1149 34.26 1193 37.1213719 4800 725 13.91 801 17.02 865 19.94 923 22.76 976 25.50 1025 28.17 1073 30.90 1119 33.71 1164 36.59 1207 39.5214291 5000 749 15.43 822 18.70 886 21.78 943 24.73 996 27.62 1045 30.42 1091 33.22 1135 36.09 1179 39.05 1222 42.0714862 5200 772 17.08 845 20.49 907 23.73 964 26.84 1016 29.86 1064 32.80 1109 35.70 1153 38.64 1196 41.66 1238 44.7515434 5400 796 18.84 867 22.41 929 25.80 984 29.05 1036 32.21 1084 35.31 1128 38.32 1171 41.34 1213 44.43 1254 47.5916005 5600 820 20.72 889 24.44 950 27.99 1005 31.39 1056 34.69 1103 37.94 1148 41.10 1189 44.21 1230 47.37 1270 50.6016577 5800 844 22.73 912 26.61 972 30.31 1026 33.86 1076 37.32 1123 40.69 1167 44.01 1209 47.24 1249 50.48 1288 53.77RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP7431 2600 1113 22.008002 2800 1121 23.12 1166 25.558574 3000 1131 24.45 1175 26.87 1217 29.39 1258 32.039146 3200 1143 25.95 1185 28.38 1227 30.91 1267 33.53 1306 36.25 1345 39.089717 3400 1155 27.59 1197 30.06 1238 32.62 1277 35.25 1316 37.96 1353 40.77 1390 43.67 1427 46.6810289 3600 1168 29.36 1210 31.89 1250 34.49 1289 37.15 1327 39.89 1364 42.70 1400 45.60 1435 48.58 1470 51.66 1505 54.8310861 3800 1181 31.25 1223 33.85 1262 36.51 1301 39.22 1338 42.00 1375 44.84 1410 47.76 1445 50.75 1479 53.81 1513 56.9611432 4000 1194 33.26 1236 35.94 1275 38.66 1314 41.44 1351 44.27 1387 47.16 1422 50.11 1456 53.13 1490 56.21 1523 59.3712004 4200 1208 35.39 1249 38.15 1289 40.95 1327 43.80 1364 46.70 1400 49.65 1434 52.65 1468 55.71 1502 58.82 1534 62.0012576 4400 1221 37.64 1262 40.49 1302 43.37 1340 46.30 1377 49.27 1412 52.28 1447 55.34 1481 58.46 1514 61.62 1546 64.8413147 4600 1235 40.01 1276 42.94 1315 45.92 1353 48.92 1390 51.97 1426 55.06 1460 58.20 1494 61.37 1527 64.60 1559 67.8713719 4800 1249 42.51 1290 45.53 1329 48.59 1367 51.69 1403 54.82 1439 57.99 1473 31.20 1507 64.45 1540 67.74 1571 71.0714291 5000 1264 45.13 1304 48.25 1343 51.40 1381 54.58 1417 57.80 1452 61.06 1487 64.35 1520 67.67 1553 71.04 1584 74.4414862 5200 1279 47.90 1318 51.10 1357 54.34 1394 57.61 1431 60.92 1466 64.26 1500 57.64 1533 71.05 1566 74.50 1598 77.9815434 5400 1294 50.82 1333 54.10 1371 57.42 1408 60.79 1445 64.19 1480 67.62 1514 71.08 1547 74.58 1579 78.11 1611 81.6716005 5600 1310 53.89 1348 57.25 1366 60.66 1423 64.11 1459 67.60 1494 71.12 1527 74.67 1561 78.26 1593 81.87 1624 85.5216577 5800 1326 57.14 1354 60.57 1401 64.05 1438 64.59 1473 71.16 1508 74.77 1541 78.42 1574 82.09 1607 85.80 1638 89.5317149 6000 1343 60.56 1380 64.06 1417 67.62 1453 71.53 1488 74.89 1522 78.59 1556 82.32 1588 86.08 1620 89.88 1652 93.7017720 6200 1361 64.17 1397 67.73 1433 71.36 1468 75.05 1503 78.79 1537 82.57 1570 86.38 1603 90.24 1634 94.12 1666 98.0418292 6400 1379 67.97 1415 71.60 1450 75.30 1484 79.05 1518 82.86 1552 86.72 1585 90.63 1617 94.56 1649 98.54 1680 102.5418864 6600 1398 71.97 1433 75.67 1457 79.43 1501 83.25 1534 87.13 1567 91.07 1600 95.05 1632 99.07 1663 103.13 1694 107.22VRB-623BHP does not include drive losses. Performance shown is with inlet and outlet ducts. Data in bold type indicates the quietest and most efficient performance. WHEEL DIAMETER - 40"OUTLET 23" x 18-5/8" - AREA 2.89 SQ. FT. INLET 23-1/4" - AREA 2.88 SQ. FT.TIP SPEED (FPM) = 10.47 x RPMVOL. CFMOutlet Vel. FPM1" S.P. 7" S.P. 8" S.P. 9" S.P.2" S.P. 3" S.P. 4" S.P. 5" S.P. 10" S.P.VOL. CFMOutlet Vel. FPM11" S.P. 12" S.P. 13" S.P. 14" S.P. 15" S.P. 16" S.P.6" S.P.17" S.P. 18" S.P. 19" S.P. 20" S.P.RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP3653 1000 307 0.944384 1200 318 1.16 423 2.305115 1400 330 1.42 433 2.64 516 4.085844 1600 343 1.73 444 3.05 524 4.53 595 6.246575 1800 358 2.10 456 3.53 535 5.09 603 6.82 665 8.767306 2000 374 2.54 468 4.07 547 5.74 613 7.53 674 9.48 730 11.628037 2200 391 3.06 481 4.69 558 6.47 625 8.35 684 10.36 738 12.51 790 14.838768 2400 408 3.64 496 5.38 571 7.27 636 9.26 695 11.35 749 13.56 799 15.90 846 18.40 892 21.079498 2600 426 4.29 510 6.17 583 8.16 648 10.27 707 12.46 760 14.74 809 17.14 856 19.66 900 22.31 943 25.1310229 2800 445 5.01 526 7.06 596 9.14 661 11.36 718 13.66 771 16.04 820 18.52 866 21.09 910 23.78 951 26.5910960 3000 463 5.83 543 8.06 611 10.23 673 12.55 731 14.97 783 17.46 832 20.02 877 22.68 920 25.43 961 28.2811690 3200 482 6.73 561 9.14 626 11.44 686 13.85 743 16.38 795 18.98 843 21.65 889 24.40 931 27.23 972 30.1412421 3400 501 7.72 578 10.32 642 12.77 700 15.27 756 17.90 807 20.62 855 23.40 900 26.26 943 29.18 983 32.1713151 3600 521 8.81 596 11.60 659 14.23 715 16.82 769 19.55 820 22.38 867 25.28 912 28.24 955 31.26 995 34.3513882 3800 540 10.01 614 12.99 676 15.80 731 18.52 783 21.33 833 24.26 880 27.27 924 30.35 967 33.48 1007 36.6814613 4000 560 11.32 633 14.49 694 17.49 747 20.36 798 23.26 846 26.28 893 29.40 937 32.59 979 35.84 1018 39.1515344 4200 580 12.74 651 16.12 711 19.29 765 22.34 813 25.35 860 28.46 906 31.68 949 34.98 991 38.34 1031 41.7616075 4400 600 14.29 670 17.86 729 21.22 782 24.46 830 27.60 875 30.79 920 34.11 962 37.51 1003 40.99 1043 44.5216805 4600 621 15.96 689 19.74 747 23.29 799 26.71 847 30.01 891 33.31 934 36.70 976 40.20 1016 43.79 1055 47.4317535 4800 641 17.77 708 21.74 766 25.49 817 29.08 864 32.59 907 36.00 949 39.48 990 43.07 1030 46.75 1068 50.5118266 5000 662 19.72 728 23.89 784 27.83 835 31.61 881 35.30 924 38.87 965 42.45 1004 46.12 1043 49.90 1081 53.7518997 5200 683 21.82 747 26.19 803 30.32 853 34.30 899 38.16 941 41.92 981 45.62 1020 49.38 1058 53.24 1095 57.1919728 5400 704 24.07 767 28.63 822 32.97 871 37.12 916 41.16 959 45.13 998 48.97 1036 52.83 1073 56.78 1109 60.8220458 5600 725 26.48 787 31.24 841 35.77 889 40.11 934 44.33 976 48.48 1015 52.52 1052 56.50 1088 60.53 1124 64.6621189 5800 747 29.05 807 34.00 860 38.73 908 43.27 952 47.70 994 52.00 1033 56.24 1069 60.37 1104 64.51 1139 68.72RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP9498 2600 985 28.1110229 2800 992 29.55 1031 32.6510960 3000 1001 31.24 1039 34.33 1077 37.56 1113 40.9311690 3200 1011 33.16 1049 36.27 1085 39.50 1121 42.84 1156 46.32 1190 49.9312421 3400 1022 35.25 1059 38.42 1095 41.68 1130 45.04 1164 48.51 1197 52.10 1230 55.81 1262 59.6513151 3600 1033 37.51 1070 40.75 1106 44.07 1140 47.48 1174 50.97 1206 54.57 1238 58.27 1270 32.08 1300 66.01 1331 70.0613882 3800 1045 39.93 1081 43.26 1117 46.65 1151 50.12 1184 53.67 1216 57.31 1248 61.03 1278 64.85 1309 68.77 1338 72.7914613 4000 1057 42.51 1093 45.93 1128 49.41 1162 52.96 1195 56.58 1227 60.27 1258 64.04 1288 67.89 1318 71.83 1347 75.8615344 4200 1068 45.23 1105 48.75 1140 52.33 1174 55.97 1206 59.68 1238 63.44 1269 67.28 1299 71.18 1328 75.17 1357 79.2316075 4400 1081 48.10 1117 51.74 1152 55.42 1185 59.16 1218 62.96 1249 66.81 1280 70.72 1310 74.70 1339 78.75 1368 82.8616805 4600 1093 51.13 1129 54.88 1164 58.67 1197 62.58 1230 66.42 1261 70.36 1292 74.37 1321 78.43 1350 82.55 1379 86.7317535 4800 1105 54.32 1141 58.18 1176 62.09 1209 66.05 1241 70.05 1273 74.10 1303 78.20 1333 82.36 1362 86.56 1390 90.8218266 5000 1118 57.68 1154 61.65 1188 65.68 1221 69.75 1253 73.86 1285 78.02 1315 82.23 1345 86.48 1374 90.78 1402 95.1318997 5200 1131 61.21 1166 65.30 1200 69.44 1233 73.62 1266 77.85 1297 82.12 1327 86.44 1357 90.79 1385 95.20 1413 99.6519728 5400 1145 64.94 1179 69.13 1213 73.38 1246 77.68 1278 82.02 1309 86.41 1339 90.83 1368 95.30 1397 99.81 1425 104.3620458 5600 1159 68.87 1193 73.16 1226 77.51 1259 81.92 1290 86.38 1321 90.88 1351 95.42 1381 100.99 1409 104.62 1437 109.2821189 5800 1173 73.01 1207 77.40 1240 81.85 1272 86.37 1303 90.94 1334 95.55 1364 100.21 1393 104.90 1421 109.64 1449 114.4121920 6000 1188 77.39 1221 81.86 1253 86.41 1285 91.02 1316 95.70 1346 100.42 1376 105.19 1405 110.00 1433 114.85 1461 119.7422651 6200 1204 82.00 1236 86.56 1268 91.19 1299 95.90 1329 100.68 1359 105.51 1389 110.39 1418 115.31 1446 120.28 1473 125.2823381 6400 1220 86.86 1251 91.50 1282 96.22 1313 101.20 1343 105.89 1373 110.82 1402 115.81 1430 120.84 1458 125.92 1486 131.0324111 6600 1237 91.97 1267 96.70 1298 101.50 1328 106.38 1357 111.34 1387 116.37 1415 121.46 1443 126.60 1471 131.79 1498 137.0117" S.P. 18" S.P. 19" S.P. 20" S.P.10" S.P.VOL. CFMOutlet Vel. FPM11" S.P. 12" S.P. 13" S.P. 14" S.P. 15" S.P. 16" S.P.6" S.P. 7" S.P. 8" S.P. 9" S.P.2" S.P. 3" S.P. 4" S.P. 5" S.P.VRB-626VOL. CFMOutlet Vel. FPM1" S.P.BHP does not include drive losses. Performance shown is with inlet and outlet ducts. Data in bold type indicates the quietest and most efficient performance. WHEEL DIAMETER - 45-1/8"OUTLET 26" x 20-7/8" - AREA 3.694 SQ. FT. INLET 26-1/4" - AREA 3.69 SQ. FT.TIP SPEED (FPM) = 11.81 x RPMRPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP4545 1000 275 1.175454 1200 285 1.44 379 2.866363 1400 296 1.77 368 3.28 462 5.087273 1600 308 2.15 398 3.79 470 5.64 533 7.778181 1800 321 2.62 409 4.39 480 6.34 541 8.49 597 10.909090 2000 335 3.17 420 5.07 490 7.14 550 9.37 604 11.80 654 14.469999 2200 351 3.80 431 5.83 501 8.05 560 10.39 613 12.89 662 15.56 708 18.4510908 2400 366 4.52 444 6.70 512 9.05 571 11.52 623 14.12 671 16.87 716 19.78 759 22.89 800 26.2111818 2600 382 5.33 457 7.68 523 10.15 581 12.77 634 15.50 681 18.34 725 21.32 767 24.45 807 27.76 845 31.2612727 2800 399 6.24 472 8.79 535 11.38 592 14.13 644 16.99 691 19.96 735 23.04 776 26.24 815 29.58 853 33.0913636 3000 415 7.25 487 10.02 547 12.73 604 15.62 655 18.62 702 21.72 746 24.91 786 21.28 825 31.63 862 35.1814545 3200 432 8.37 503 11.37 561 14.23 615 17.23 666 20.38 713 23.62 756 26.94 797 30.36 935 33.88 871 37.5015454 3400 449 9.60 518 12.84 576 15.89 628 19.00 677 22.27 724 25.65 767 29.12 807 32.66 945 36.30 882 40.0316363 3600 476 10.96 534 14.43 591 17.70 641 20.93 689 24.32 735 27.84 778 31.45 818 35.13 856 38.89 892 42.7417272 3800 484 12.45 551 16.16 606 19.66 655 23.04 702 26.54 747 30.18 789 33.93 829 37.76 867 41.66 902 45.6318181 4000 502 14.08 567 18.03 622 21.76 670 25.33 715 28.94 759 32.70 800 36.58 840 40.55 877 44.59 913 48.7019090 4200 520 15.85 584 20.05 638 24.00 685 27.80 729 31.53 771 35.40 812 39.41 851 43.52 888 47.70 924 51.9519999 4400 538 17.77 601 22.22 654 26.40 701 30.43 744 34.33 785 38.31 824 42.43 863 46.67 900 50.99 935 55.3820909 4600 557 19.86 618 24.55 670 28.97 717 33.23 759 37.34 799 41.44 837 45.66 875 50.02 911 54.47 946 59.0121818 4800 575 22.11 635 27.05 686 31.71 732 36.18 774 40.54 813 44.79 851 49.12 887 53.58 923 58.16 958 62.8322727 5000 594 24.54 652 29.73 703 34.62 748 39.32 790 43.92 828 48.36 865 52.81 901 57.38 935 62.08 969 66.8723636 5200 612 27.15 670 32.58 720 37.72 765 42.67 806 47.47 844 52.15 880 56.75 914 61.43 948 66.23 982 71.1424545 5400 631 29.95 687 35.62 737 41.01 781 46.18 821 51.20 859 56.14 895 60.93 929 65.73 962 70.63 994 75.6625454 5600 650 32.94 705 38.86 754 44.50 797 49.91 837 55.15 875 60.32 910 65.34 943 70.29 976 75.31 1008 80.4426363 5800 669 36.14 723 42.30 771 48.19 814 53.84 854 59.34 891 64.49 926 69.97 959 75.11 990 80.25 1021 85.49RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP11818 2600 883 34.9712727 2800 889 36.76 925 40.6213636 3000 897 38.87 932 42.71 965 46.73 998 50.9214545 3200 906 41.25 940 45.12 973 49.14 1005 53.30 1036 57.62 1067 62.1215454 3400 916 43.86 950 47.79 982 51.85 1013 56.03 1043 60.35 1073 64.81 1103 69.43 1132 74.2116363 3600 926 46.67 959 50.70 991 54.83 1022 59.06 1052 63.42 1081 67.89 1110 72.50 1138 77.24 1166 82.12 1193 87.1717272 3800 937 49.68 970 53.82 1001 58.04 1032 62.36 1062 66.77 1090 71.29 1119 75.93 1146 80.68 1173 85.55 1200 90.5618181 4000 947 52.88 980 57.14 1012 61.47 1042 65.88 1071 70.39 1100 74.98 1128 79.67 1155 84.46 1182 89.36 1208 94.3819090 4200 958 56.27 991 60.65 1022 65.11 1052 69.64 1082 74.24 1110 78.93 1138 83.70 1165 88.56 1191 93.51 1217 98.5719999 4400 969 59.84 1001 64.36 1033 68.95 1063 73.60 1092 78.32 1120 83.12 1148 87.99 1175 92.93 1201 97.97 1226 103.0820909 4600 980 63.61 1012 68.27 1043 73.00 1073 77.78 1102 82.63 1131 87.54 1158 92.52 1185 97.57 1211 102.70 1236 107.9021818 4800 991 67.58 1023 72.38 1054 77.25 1084 82.17 1113 87.15 1141 92.19 1169 97.29 1195 102.46 1221 107.69 1246 112.9922727 5000 1002 71.75 1034 76.70 1065 81.71 1095 86.77 1124 91.89 1152 97.07 1179 102.30 1206 107.59 1231 112.94 1257 118.3523636 5200 1014 76.15 1046 81.24 1076 86.39 1106 91.59 1135 96.85 1163 102.17 1190 107.53 1216 112.96 1242 118.43 1267 123.9724545 5400 1026 80.79 1057 86.00 1088 91.29 1117 96.64 1146 102.04 1173 107.50 1201 113.00 1227 118.56 1253 124.17 1278 129.8425454 5600 1039 85.68 1069 91.02 1099 96.43 1128 101.92 1157 107.46 1185 113.06 1211 118.71 1238 124.41 1263 130.16 1288 135.9626363 5800 1052 90.84 1082 96.29 1111 101.83 1140 107.45 1168 113.13 1196 118.87 1223 124.66 1249 130.51 1274 136.40 1299 142.3327272 6000 1065 96.28 1095 101.84 1124 107.50 1152 113.24 1180 119.06 1207 124.93 1234 130.87 1260 136.85 1285 142.88 1310 148.9628181 6200 1079 102.02 1108 107.68 1137 113.45 1164 119.31 1192 125.25 1219 131.26 1245 137.33 1271 143.36 1296 149.63 1321 155.8629090 6400 1094 108.06 1122 113.83 1150 119.71 1177 125.68 1204 131.74 1231 137.87 1257 144.07 1282 150.34 1308 156.64 1332 163.0230000 6600 1190 114.41 1133 120.30 1163 126.28 1190 132.35 1217 138.52 1243 144.78 1269 151.11 1294 157.50 1319 163.95 1343 170.46VRB-629BHP does not include drive losses. Performance shown is with inlet and outlet ducts. Data in bold type indicates the quietest and most efficient performance. WHEEL DIAMETER - 50-1/2"OUTLET 29" x 23-1/4" - AREA 4.596 SQ. FT. INLET 29-1/4" - AREA 4.59 SQ. FT.TIP SPEED (FPM) = 13.22 x RPMVOL. CFMOutlet Vel. FPM1" S.P. 7" S.P. 8" S.P. 9" S.P.2" S.P. 3" S.P. 4" S.P. 5" S.P. 10" S.P.VOL. CFMOutlet Vel. FPM11" S.P. 12" S.P. 13" S.P. 14" S.P. 15" S.P. 16" S.P.6" S.P.17" S.P. 18" S.P. 19" S.P. 20" S.P.RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP5885 1000 242 1.527062 1200 251 1.87 333 3.708239 1400 260 2.29 341 4.25 406 6.579417 1600 270 2.79 350 4.91 413 7.30 469 10.0610594 1800 282 3.39 359 5.69 422 8.21 475 10.99 524 14.1111771 2000 294 4.10 369 6.56 431 9.25 483 12.14 531 15.28 575 18.7212947 2200 308 4.93 379 7.55 440 10.42 492 13.45 539 16.69 582 20.15 622 23.9012124 2400 322 5.86 390 8.67 450 11.72 501 14.92 548 18.29 590 21.84 629 25.61 667 29.63 703 33.9415302 2600 336 6.91 402 9.94 459 13.15 511 16.54 557 20.07 599 23.75 637 27.61 674 31.66 709 35.95 743 40.4816479 2800 350 8.08 415 11.38 470 14.73 520 18.30 566 22.01 608 25.84 646 29.83 682 33.98 717 38.31 750 42.8417656 3000 365 9.38 428 12.98 481 16.48 530 20.22 576 24.11 617 28.12 655 32.26 691 36.53 725 40.96 757 45.5518832 3200 380 10.83 442 14.73 493 18.43 541 22.32 585 26.39 626 30.58 664 34.88 700 39.31 734 43.86 766 48.5620010 3400 395 12.43 456 16.62 506 20.57 552 24.60 595 28.84 636 33.22 674 37.70 709 42.30 743 47.00 775 51.8321188 3600 410 14.19 470 18.69 519 22.92 563 27.10 606 31.49 646 36.05 683 40.72 719 45.49 752 50.36 784 55.3422365 3800 426 16.12 484 20.93 533 25.46 576 29.83 617 34.36 656 39.08 693 43.94 728 48.89 762 53.94 793 59.0923542 4000 441 18.23 498 23.35 547 28.17 589 32.80 628 37.47 667 42.34 703 47.37 738 52.51 771 57.74 802 63.0624719 4200 457 20.52 513 25.96 560 31.07 602 35.99 641 40.83 678 45.84 714 51.03 748 56.35 781 61.76 812 67.2725895 4400 473 23.02 528 28.77 574 34.19 616 39.41 654 44.46 690 49.61 724 54.94 758 60.43 791 66.03 822 71.7227073 4600 489 25.71 543 31.79 589 37.52 630 43.03 667 48.35 702 53.66 736 59.13 769 64.77 801 70.54 831 76.4128250 4800 505 28.63 558 35.03 603 41.06 644 46.85 681 52.49 715 57.99 748 63.60 780 69.39 811 75.32 842 81.3629427 5000 522 31.77 573 38.49 618 44.83 658 50.92 694 56.87 728 62.62 760 68.39 791 74.30 822 80.38 852 86.6030604 5200 538 35.15 589 42.19 632 48.85 672 55.25 708 61.47 742 67.53 773 73.48 803 79.54 833 85.76 863 92.1231781 5400 555 38.78 604 46.13 647 53.10 686 59.80 722 66.30 755 72.69 786 78.90 816 85.11 845 91.46 874 97.9732959 5600 571 42.66 620 50.32 662 57.62 701 64.62 736 71.42 769 78.11 800 84.61 829 91.02 857 97.51 885 104.1634136 5800 548 47.14 634 55.00 675 62.60 713 69.91 748 77.10 783 83.77 814 90.60 842 97.26 870 103.92 897 110.70RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP15302 2600 776 45.2916479 2800 781 47.60 813 52.6017656 3000 789 50.33 819 55.31 848 60.50 877 65.9318832 3200 797 53.41 826 58.43 855 63.63 883 69.02 910 74.62 937 80.4420010 3400 805 56.79 834 61.89 863 67.14 890 72.56 917 78.15 943 83.93 969 89.90 994 96.0921188 3600 814 60.43 843 65.65 871 71.00 898 76.48 925 82.12 950 87.91 976 93.87 1000 100.01 1025 106.34 1049 112.8722365 3800 823 64.33 852 69.69 880 75.15 907 80.74 933 86.46 958 92.32 983 98.32 1007 104.47 1031 110.78 1055 117.2623542 4000 832 68.48 861 73.99 889 79.60 916 85.31 942 91.14 967 97.09 991 103.17 1015 109.37 1039 115.72 1062 122.2124719 4200 842 72.86 871 78.54 898 84.31 925 90.17 950 96.13 975 102.20 1000 108.38 1023 114.67 1047 121.09 1069 127.6325895 4400 851 77.49 880 83.34 907 89.28 934 95.31 960 101.42 984 107.63 1009 113.93 1032 120.34 1055 126.86 1078 133.4827073 4600 861 82.37 889 88.41 917 94.52 943 100.72 969 106.99 994 113.35 1018 119.80 1041 126.34 1064 132.98 1086 139.7228250 4800 871 87.50 899 93.73 926 100.03 953 106.40 978 112.85 1003 119.38 1027 125.98 1050 132.67 1073 139.45 1095 146.3129427 5000 881 92.91 909 99.32 936 105.80 962 112.36 988 118.99 1012 125.69 1036 132.46 1059 139.31 1082 146.24 1104 153.2530604 5200 891 98.61 919 105.19 946 111.86 972 118.60 997 125.41 1022 132.29 1046 139.24 1069 146.27 1091 153.36 1114 160.5331781 5400 902 104.61 929 111.36 956 118.21 982 125.14 1007 132.13 1031 139.20 1055 146.33 1078 153.53 1101 160.79 1123 168.1332959 5600 913 110.94 940 117.85 966 124.87 992 131.97 1017 139.15 1041 146.40 1065 153.72 1088 161.10 1110 168.54 1132 176.0534136 5800 924 117.62 951 124.68 977 131.86 1002 139.13 1027 146.49 1051 153.93 1074 161.43 1097 168.99 1120 176.62 1142 184.3135313 6000 936 124.67 962 131.87 987 139.20 1012 146.63 1037 154.16 1061 161.78 1084 169.46 1107 177.21 1129 185.02 1151 192.8936490 6200 949 132.10 974 139.44 999 146.91 1023 154.49 1047 162.19 1971 169.97 1094 177.83 1117 185.76 1139 193.76 1161 201.8237667 6400 961 139.93 986 147.40 1010 155.00 1035 162.74 1058 170.58 1082 178.53 1105 186.56 1127 194.67 1149 202.85 1171 211.0938844 6600 974 148.15 999 155.77 1022 163.51 1046 171.38 1069 179.37 1092 187.47 1115 195.66 1137 203.94 1159 212.30 1181 220.7217" S.P. 18" S.P. 19" S.P. 20" S.P.10" S.P.VOL. CFMOutlet Vel. FPM11" S.P. 12" S.P. 13" S.P. 14" S.P. 15" S.P. 16" S.P.6" S.P. 8" S.P. 9" S.P.2" S.P. 3" S.P. 4" S.P. 5" S.P.VOL. CFMOutlet Vel. FPM1" S.P. 7" S.P.VRB-633BHP does not include drive losses. Performance shown is with inlet and outlet ducts. Data in bold type indicates the quietest and most efficient performance. WHEEL DIAMETER - 57-1/2"OUTLET 33" x 26-1/2" - AREA 5.951 SQ. FT. INLET 33-3/8" - AREA 5.94 SQ. FT.TIP SPEED (FPM) = 15.05 x RPMRPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP7398 1000 216 1.918878 1200 224 2.34 297 4.6610357 1400 232 2.88 304 5.34 362 8.2711838 1600 241 3.51 312 6.18 368 9.18 418 12.6413317 1800 251 4.26 321 7.15 376 10.32 424 13.81 468 17.7414797 2000 263 5.15 329 8.25 384 11.63 431 15.26 473 19.20 513 23.5416276 2200 275 6.19 338 9.50 392 13.10 439 16.91 481 20.98 519 25.33 555 30.04 59517756 2400 287 7.36 348 10.90 401 14.73 447 18.76 488 22.99 526 27.46 561 32.20 595 37.25 627 42.6619237 2600 300 8.68 358 12.50 410 16.53 456 20.79 497 25.22 534 29.85 569 34.71 601 39.81 632 45.19 663 50.8820716 2800 312 10.15 370 14.30 419 18.52 464 23.01 505 27.66 542 32.49 576 37.50 609 42.71 639 48.16 669 53.8622196 3000 326 11.80 382 16.31 429 20.72 473 25.42 513 30.31 550 35.35 584 40.55 616 45.93 647 51.49 676 57.2723675 3200 339 13.62 394 18.51 440 23.16 482 28.05 522 33.17 559 38.44 583 43.85 624 49.42 654 55.14 683 61.0525155 3400 352 15.63 406 20.90 451 25.86 492 30.93 531 36.26 567 41.76 601 47.40 633 43.17 663 59.09 691 65.1626635 3600 366 17.84 419 23.49 463 28.81 503 34.07 540 39.59 576 45.32 610 51.19 641 57.19 671 63.31 699 69.5728115 3800 380 20.27 432 26.31 475 32.00 514 37.50 550 43.20 585 49.13 618 55.23 650 61.46 679 67.81 707 74.2829594 4000 394 22.92 444 29.35 487 35.42 525 41.23 561 47.10 595 53.23 627 59.55 658 66.01 688 72.58 716 79.2831074 4200 408 25.80 458 32.64 500 39.06 537 45.25 571 51.33 605 57.63 636 64.15 667 70.83 696 77.64 724 84.5732553 4400 422 28.93 471 36.17 512 42.98 549 49.54 583 55.89 615 62.36 646 69.07 676 75.97 705 83.00 733 90.1634034 4600 436 32.33 484 39.97 525 47.16 562 54.09 595 60.78 626 67.45 656 74.23 686 81.42 714 88.67 742 96.0635514 4800 451 35.99 498 44.04 538 51.61 574 58.90 607 65.99 637 72.91 667 79.96 696 87.23 723 94.68 751 102.2836993 5000 465 39.94 511 48.39 551 56.36 586 64.01 619 71.49 649 78.72 678 85.97 706 93.41 733 101.05 760 108.8638473 5200 480 44.19 525 53.03 564 61.40 599 69.46 632 77.27 661 84.89 689 92.38 717 99.99 743 107.81 769 115.8139952 5400 495 48.75 539 57.99 577 66.76 612 75.17 644 83.35 674 91.39 701 99.18 728 106.99 754 114.98 779 123.1641433 5600 510 53.62 563 63.26 591 72.43 625 81.24 656 89.78 686 98.19 713 106.36 739 114.42 765 122.59 790 130.9442912 5800 525 58.84 567 68.86 604 78.44 638 87.64 669 96.59 698 105.31 726 113.90 751 122.26 776 130.64 800 139.16RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP19237 2600 692 56.9320716 2800 697 59.64 725 66.1222196 3000 703 63.27 730 69.53 756 76.06 782 82.8923675 3200 710 67.14 737 73.45 763 79.98 788 86.76 812 93.80 836 101.1225155 3400 718 71.39 744 77.80 769 84.40 794 91.21 818 98.24 841 105.51 864 113.02 887 120.8026635 3600 726 75.97 752 82.53 777 89.25 801 96.15 825 103.23 848 110.52 870 118.01 892 125.73 914 133.69 935 141.8938115 3800 734 80.87 760 87.60 785 94.48 809 101.50 832 108.69 855 116.05 877 123.59 898 131.33 920 139.26 941 147.4129594 4000 742 86.08 768 93.01 793 100.06 817 107.25 840 114.58 862 122.05 884 129.69 905 137.49 926 145.47 947 153.6331074 4200 751 91.59 776 98.73 801 105.98 825 113.35 848 120.85 870 128.48 892 136.25 913 144.16 934 152.23 954 160.4532553 4400 759 97.41 785 104.77 809 112.24 833 119.81 856 127.50 878 135.30 900 143.23 921 151.28 941 159.47 961 167.8034034 4600 768 103.55 793 111.14 818 118.83 841 126.61 864 134.50 886 142.50 908 150.61 929 158.83 949 167.17 969 175.6435514 4800 777 110.00 802 117.83 826 125.74 850 133.76 872 141.86 894 150.07 916 158.37 937 166.78 957 175.30 977 183.9336993 5000 786 116.80 811 124.86 835 133.01 858 141.25 881 149.58 903 158.01 924 166.52 945 175.13 965 183.84 985 192.6638473 5200 795 123.96 820 132.24 844 140.62 867 149.10 889 157.66 911 166.31 933 175.05 953 183.87 973 192.79 993 201.8039952 5400 804 131.51 829 140.00 852 148.60 876 157.31 898 166.11 920 174.99 941 183.95 962 193.00 982 202.13 1001 211.3541433 5600 814 139.47 838 148.16 862 156.98 884 165.91 907 174.93 928 184.05 950 193.24 970 202.52 990 211.88 1010 221.3242912 5800 824 147.87 848 156.74 871 165.76 894 174.91 916 184.16 937 193.50 958 202.93 979 212.44 999 222.03 1018 231.6944392 6000 835 156.73 858 165.78 881 174.99 903 184.34 925 193.80 946 203.37 967 213.03 987 222.77 1007 232.59 1027 242.2945871 6200 846 166.07 869 175.29 891 184.68 913 194.22 934 203.89 955 213.67 976 223.56 996 233.53 1016 243.58 1035 253.7147351 6400 857 175.91 879 185.30 901 194.86 923 204.58 944 214.44 965 224.43 985 234.53 1005 244.72 1025 255.00 1044 265.3649128 6600 869 186.25 891 195.83 912 205.55 933 215.44 954 225.49 974 235.67 994 245.97 1014 256.38 1034 266.89 1053 277.47BHP does not include drive losses. Performance shown is with inlet and outlet ducts. Data in bold type indicates the quietest and most efficient performance. WHEEL DIAMETER - 64-3/8"OUTLET 37" x 29-5/8" - AREA 7.481 SQ. FT. INLET 37-3/8" - AREA 7.47 SQ. FT.TIP SPEED (FPM) = 16.85 x RPMVRB-637VOL. CFMOutlet Vel. FPM1" S.P. 7" S.P. 8" S.P. 9" S.P.2" S.P. 3" S.P. 4" S.P. 5" S.P. 10" S.P.VOL. CFMOutlet Vel. FPM11" S.P. 12" S.P. 13" S.P. 14" S.P. 15" S.P. 16" S.P.6" S.P.17" S.P. 18" S.P. 19" S.P. 20" S.P.RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP9084 1000 195 2.3410901 1200 202 2.88 268 5.7212718 1400 209 3.53 275 6.56 327 10.1514536 1600 218 4.31 282 7.58 332 11.27 377 15.5216353 1800 227 5.23 289 8.78 339 12.67 382 16.96 422 21.7818169 2000 237 6.33 297 10.13 347 14.28 389 18.73 427 23.58 463 28.9019986 2200 248 7.60 305 11.66 354 16.08 396 20.77 434 25.76 468 31.11 501 36.8921803 2400 259 9.04 314 13.39 362 18.08 404 23.03 441 28.23 475 33.72 507 39.54 537 45.74 566 52.3823621 2600 270 10.66 323 15.35 370 20.30 411 25.53 448 30.97 482 36.66 513 42.51 543 48.88 571 55.49 598 62.4825438 2800 282 12.47 334 17.56 378 22.74 419 28.25 456 33.97 489 39.89 520 46.05 549 52.45 577 59.13 603 66.1327254 3000 294 14.49 344 20.03 387 25.44 427 31.22 463 37.22 497 43.41 527 49.80 556 56.39 584 63.23 610 70.3229071 3200 306 16.72 356 22.73 397 28.44 435 34.45 471 40.73 504 47.20 535 53.85 564 60.68 591 67.71 616 74.9630888 3400 318 19.19 367 25.66 407 31.75 444 37.98 479 44.52 512 51.28 542 58.20 571 65.29 598 72.55 624 80.0032706 3600 330 21.91 378 28.85 418 35.38 454 41.83 488 48.61 520 55.64 550 62.85 579 70.22 605 77.74 631 85.4234523 3800 343 24.89 389 32.30 429 39.30 463 46.04 496 53.04 528 60.33 558 67.82 586 75.47 613 83.26 638 91.2136339 4000 355 28.14 401 36.04 440 43.49 474 50.62 506 57.84 537 65.36 566 73.13 594 81.05 621 89.13 646 97.3438156 4200 368 31.68 413 40.08 451 47.96 485 55.56 516 63.03 546 70.76 574 78.77 602 86.98 628 95.34 654 103.8439973 4400 381 35.53 425 44.42 462 52.77 496 60.83 526 68.63 555 76.58 583 84.81 610 93.28 636 101.92 661 110.7041791 4600 394 39.69 437 49.08 474 57.91 507 66.42 537 74.63 565 82.82 592 91.27 619 99.98 644 108.88 669 117.9543607 4800 407 44.19 449 54.07 485 63.37 518 72.32 548 81.03 575 89.52 602 98.18 628 107.11 653 116.26 677 125.6945424 5000 420 49.04 461 59.42 497 69.20 529 78.60 559 87.78 586 96.66 612 105.56 637 114.70 662 124.08 686 133.6747241 5200 433 54.26 474 65.12 509 75.40 541 85.29 570 94.88 597 104.24 622 113.43 647 122.78 671 132.38 694 142.2049058 5400 447 59.86 486 71.20 521 81.97 552 92.31 581 102.35 608 112.21 633 121.78 657 131.38 680 141.19 703 151.2350876 5600 460 65.85 499 77.67 533 88.94 564 99.75 592 110.24 619 120.57 644 130.60 667 140.50 690 150.52 713 160.7852692 5800 473 72.24 511 84.55 545 96.32 576 107.61 604 118.61 630 129.30 655 139.85 678 150.13 700 160.41 722 170.88RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP23621 2600 625 69.9025438 2800 629 73.47 654 81.1927254 3000 635 77.69 659 85.38 683 93.40 706 101.7829071 3200 641 82.45 665 90.19 688 98.21 711 106.54 733 115.18 754 124.1730888 3400 648 87.66 672 95.53 694 103.64 716 112.00 738 120.63 759 129.55 780 138.78 800 148.3332706 3600 655 93.29 679 101.34 701 109.59 723 118.06 744 126.76 765 135.70 785 144.91 805 154.38 825 164.15 844 174.2334523 3800 663 99.30 686 107.57 708 116.01 730 124.64 751 133.46 771 142.50 791 151.76 811 161.26 830 171.00 849 181.0136339 4000 670 105.70 693 114.20 715 122.87 737 131.69 758 140.69 778 149.87 798 159.25 817 168.83 836 178.62 854 188.6438156 4200 678 112.47 701 121.23 723 130.14 744 139.19 765 148.39 785 157.76 805 167.30 824 177.01 842 186.92 861 197.0239973 4400 685 119.61 708 128.65 730 137.82 752 147.12 772 156.55 792 166.14 812 175.87 831 185.76 849 195.82 867 206.0541791 4600 693 127.14 716 136.46 738 145.91 759 155.47 780 165.16 800 174.98 819 184.93 838 195.03 856 205.27 874 215.6743607 4800 701 135.07 724 144.68 745 154.40 767 164.24 787 174.20 807 184.27 827 194.47 845 204.79 864 215.25 882 225.8545424 5000 709 143.42 732 153.31 753 163.32 774 173.44 795 183.67 815 194.02 834 204.47 853 215.05 871 225.74 889 236.5647241 5200 717 152.21 740 162.38 761 172.67 782 183.07 803 193.59 822 204.21 842 214.94 860 225.78 878 236.73 896 247.7949058 5400 726 161.48 748 171.90 769 182.47 790 193.16 810 203.96 830 214.87 849 225.88 868 236.99 886 248.20 904 259.5250876 5600 735 171.25 756 181.92 778 192.75 798 203.72 818 214.80 838 225.99 857 237.28 875 248.68 894 260.17 911 271.7652692 5800 744 181.56 765 192.46 786 203.54 806 214.77 826 226.13 846 237.60 865 249.18 883 260.86 901 272.63 919 284.5054509 6000 754 192.45 774 203.56 795 214.87 815 226.35 835 237.97 854 249.72 873 261.58 891 273.54 909 285.60 927 297.7556326 6200 763 203.92 784 215.24 804 226.77 824 238.48 843 250.36 862 262.37 881 274.50 899 286.75 917 299.09 934 311.5358143 6400 774 216.00 794 227.53 813 239.27 833 251.20 852 263.31 871 275.58 889 287.98 907 300.50 925 313.12 942 325.8459961 6600 784 228.69 804 240.46 823 252.40 842 264.54 861 276.88 879 289.38 897 302.03 915 314.81 933 327.71 950 340.7117" S.P. 18" S.P. 19" S.P. 20" S.P.10" S.P.VOL. CFMOutlet Vel. FPM11" S.P. 12" S.P. 13" S.P. 14" S.P. 15" S.P. 16" S.P.6" S.P. 8" S.P. 9" S.P.2" S.P. 3" S.P. 4" S.P. 5" S.P.VOL. CFMOutlet Vel. FPM1" S.P. 7" S.P.VRB-641BHP does not include drive losses. Performance shown is with inlet and outlet ducts. Data in bold type indicates the quietest and most efficient performance. WHEEL DIAMETER - 71-1/4"OUTLET 41" x 32-7/8" - AREA 9.186 SQ. FT. INLET 41-3/8" - AREA 9.17 SQ. FT.TIP SPEED (FPM) = 18.65 x RPMRPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP10944 1000 177 2.8213132 1200 184 3.47 245 6.8915321 1400 191 4.25 250 7.90 298 12.2317511 1600 198 5.19 257 9.14 303 13.58 344 18.7019699 1800 207 6.30 264 10.57 309 15.26 348 20.43 384 26.2421888 2000 216 7.62 271 12.20 316 17.20 354 22.57 389 28.41 422 34.8124077 2200 226 9.16 278 14.05 323 19.37 361 25.02 395 31.03 427 37.47 456 44.4326265 2400 236 10.89 286 16.13 330 21.79 368 27.75 402 34.01 433 40.62 461 47.63 489 55.10 516 63.1028455 2600 246 12.84 295 18.49 337 24.45 375 30.75 408 37.31 439 44.16 467 51.34 494 58.88 520 66.84 545 75.2730644 2800 257 15.02 304 21.16 345 27.39 382 34.03 415 40.92 446 48.06 474 55.47 500 63.18 526 71.23 550 79.6632832 3000 268 17.45 314 24.13 353 30.65 389 37.60 422 44.84 452 52.29 481 59.99 507 67.93 532 76.17 555 84.7135021 3200 279 20.15 324 27.39 362 34.26 397 41.50 429 49.06 459 56.86 487 64.87 513 73.10 538 81.57 562 90.3037210 3400 290 23.12 334 30.91 371 38.25 405 45.75 437 53.63 466 61.77 494 70.11 520 78.65 545 87.40 568 96.3839399 3600 301 26.39 344 34.75 381 42.62 413 50.39 444 58.56 474 67.03 501 75.72 527 84.59 552 93.65 575 102.9141588 3800 312 29.98 355 38.91 391 47.34 422 55.47 452 63.90 481 72.68 508 81.70 534 90.91 558 100.30 582 109.8743777 4000 324 33.90 365 43.42 401 52.39 432 60.98 461 69.67 489 78.73 516 88.08 541 97.64 565 107.37 588 117.2645965 4200 335 38.16 376 48.28 411 57.78 442 66.93 470 75.93 497 82.25 523 94.89 549 104.78 573 114.85 595 125.0948154 4400 347 42.80 387 53.51 421 63.57 452 73.28 479 82.67 506 92.25 531 102.17 556 112.37 580 122.78 603 133.3650344 4600 359 47.82 398 59.12 432 69.76 462 80.01 489 89.91 515 99.77 540 109.95 564 120.44 587 131.16 610 142.0852532 4800 371 53.24 409 65.14 442 76.34 472 87.12 499 97.61 524 107.84 548 118.27 572 129.02 595 140.05 617 151.3054721 5000 383 59.08 420 71.57 453 83.36 482 94.68 509 105.75 534 116.45 557 127.17 580 138.17 603 149.47 625 161.0256910 5200 395 65.36 432 78.45 464 90.83 493 102.74 519 114.30 544 125.57 567 136.64 589 147.91 611 159.47 633 171.3059098 5400 407 72.10 443 85.77 475 98.75 503 111.20 529 123.29 554 135.18 577 146.71 598 158.27 620 170.08 641 182.1861288 5600 419 79.32 454 93.57 486 107.14 514 120.17 540 132.80 564 145.24 587 157.33 608 169.25 629 181.33 649 193.6863476 5800 431 87.03 466 101.86 497 116.03 524 129.63 550 142.88 574 155.77 597 168.47 618 180.85 638 193.24 658 205.85RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP26455 2600 569 84.2130644 2800 573 88.51 596 97.8132832 3000 578 93.59 600 102.85 622 112.51 643 122.6035021 3200 584 99.32 606 108.65 627 118.31 648 128.34 668 138.75 687 149.5837210 3400 590 105.60 612 115.08 633 124.85 653 134.92 672 145.32 692 156.06 711 167.18 729 178.6839399 3600 597 112.38 618 122.08 639 132.02 659 142.22 678 152.70 697 163.47 715 174.56 734 185.98 751 197.74 769 209.8841588 3800 604 119.63 625 129.58 645 139.75 665 150.14 684 160.78 703 171.66 721 182.82 739 194.26 756 205.99 773 218.0543777 4000 610 127.33 632 137.58 652 148.01 671 158.64 690 169.48 709 180.54 727 191.84 744 203.38 762 215.18 778 227.2545965 4200 617 135.49 638 146.04 659 156.77 678 167.67 697 178.76 715 190.04 733 201.53 751 213.24 768 225.17 784 237.3448154 4400 624 144.09 645 154.98 665 166.02 685 177.22 704 188.59 722 200.13 740 211.86 757 223.77 774 235.89 790 248.2150344 4600 631 153.16 652 164.39 672 175.76 692 187.28 710 198.95 729 210.78 746 222.77 763 234.94 780 247.28 797 259.8152532 4800 639 162.72 659 174.29 679 186.00 699 197.85 717 209.84 735 221.98 753 234.26 770 246.70 787 259.30 803 272.0754721 5000 646 172.77 667 184.68 686 196.74 706 208.93 724 221.26 742 233.72 760 246.32 777 259.05 794 271.94 810 284.9756910 5200 654 183.36 674 195.61 694 208.00 713 220.54 731 233.21 749 246.00 767 258.93 784 271.98 800 285.17 817 298.5059098 5400 661 194.53 681 207.08 701 219.81 720 232.69 738 245.70 756 258.84 774 272.10 791 285.48 807 298.99 823 312.6361288 5600 669 206.30 689 219.15 708 232.20 727 245.41 745 258.76 763 272.24 781 285.84 798 299.57 814 313.41 830 327.3763476 5800 678 218.72 697 231.85 716 245.19 735 258.72 753 272.41 771 286.23 788 300.17 805 314.24 821 328.42 837 342.7265665 6000 687 231.83 706 245.21 724 258.84 742 272.67 760 286.67 778 300.82 795 315.11 812 329.52 828 344.05 844 358.6867854 6200 696 245.65 714 259.29 732 273.17 750 287.28 768 301.59 785 316.06 802 330.68 819 345.43 835 360.30 851 375.2870042 6400 705 260.20 723 274.09 741 288.23 759 302.61 776 317.20 793 331.97 810 345.91 826 361.99 843 377.20 858 392.5272232 6600 715 275.49 732 289.66 750 304.05 767 318.68 784 333.54 801 348.60 818 363.84 834 379.24 850 394.77 866 410.43BHP does not include drive losses. Performance shown is with inlet and outlet ducts. Data in bold type indicates the quietest and most efficient performance. WHEEL DIAMETER - 78-1/4"OUTLET 45" x 36-1/4" - AREA 11.066 SQ. FT. INLET 45-3/8" - AREA 11.04 SQ. FT.TIP SPEED (FPM) = 20.49 x RPMVRB-645VOL. CFMOutlet Vel. FPM1" S.P. 7" S.P. 8" S.P. 9" S.P.2" S.P. 3" S.P. 4" S.P. 5" S.P. 10" S.P.VOL. CFMOutlet Vel. FPM11" S.P. 12" S.P. 13" S.P. 14" S.P. 15" S.P. 16" S.P.6" S.P.17" S.P. 18" S.P. 19" S.P. 20" S.P.RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP12976 1000 163 3.3415571 1200 169 4.11 225 8.1718166 1400 175 5.04 230 9.36 274 14.5020763 1600 182 6.15 236 10.83 278 16.10 316 22.1723358 1800 190 7.47 242 12.54 284 18.09 320 24.23 353 31.1125953 2000 198 9.04 249 14.47 290 20.39 326 26.76 357 33.68 387 41.2828548 2200 207 10.86 256 16.65 296 22.97 331 29.66 363 36.79 392 44.43 419 52.6831143 2400 217 12.91 263 19.12 303 25.83 338 32.90 369 40.32 397 48.16 424 56.47 449 65.34 473 74.8233739 2600 226 15.23 271 21.92 309 28.99 344 36.46 375 44.24 403 52.36 429 60.87 454 69.81 478 79.25 500 89.2436334 2800 236 17.81 279 25.08 316 32.48 351 40.35 381 48.52 409 56.98 435 65.77 460 74.91 483 84.46 505 94.4638930 3000 246 20.69 288 28.61 324 36.34 357 44.59 388 53.16 415 62.00 441 71.12 465 80.55 488 90.31 510 100.4441525 3200 256 23.89 297 32.47 332 40.62 364 49.20 394 58.18 422 67.42 448 76.91 472 86.67 494 96.71 516 107.0744120 3400 266 27.41 307 36.65 341 45.35 372 54.24 401 63.59 428 73.24 454 83.13 478 93.25 500 103.63 522 114.2746716 3600 276 31.29 316 41.21 350 50.53 379 59.75 408 69.44 435 79.48 460 89.77 484 100.29 507 111.04 528 122.0149311 3800 287 35.55 326 46.14 359 56.13 388 65.77 415 75.76 442 86.17 467 96.87 490 107.79 513 118.93 534 130.2751906 4000 297 40.19 336 51.48 368 62.12 397 72.31 423 82.61 449 93.35 474 104.44 497 115.76 519 127.30 540 139.0454501 4200 308 45.25 345 57.24 377 68.51 406 79.36 432 90.02 456 101.07 481 112.51 504 124.23 526 136.18 547 148.3157096 4400 319 50.74 356 63.44 387 75.37 415 86.89 440 96.02 464 109.38 488 121.14 511 133.23 532 145.57 553 158.1259693 4600 329 56.69 366 70.10 397 82.71 424 94.87 449 106.60 473 118.30 496 130.36 518 142.80 539 155.52 560 168.4762288 4800 340 63.12 376 77.23 406 90.52 433 103.30 458 115.73 481 127.86 504 140.23 525 152.98 546 166.06 567 179.3964883 5000 351 70.05 386 84.86 416 98.84 443 112.26 468 125.38 490 138.07 512 150.78 533 163.82 554 177.23 574 190.9267478 5200 362 77.50 396 93.01 426 107.69 453 121.82 477 135.52 499 148.88 521 162.02 541 175.37 561 189.08 581 203.1170073 5400 374 85.49 407 101.70 436 117.08 462 131.84 486 146.18 509 160.27 530 173.95 550 187.65 569 201.66 588 216.0072669 5600 385 94.05 417 110.94 446 127.04 472 142.48 496 157.46 518 172.21 539 186.54 558 200.67 577 215.00 596 229.6475264 5800 396 103.19 428 120.77 456 137.57 482 153.70 505 169.41 527 184.69 548 199.75 567 214.43 586 229.12 604 244.07RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP33739 2600 523 99.8536334 2800 526 104.94 547 115.9738930 3000 531 110.97 561 121.94 571 133.40 591 145.3741525 3200 536 117.76 566 128.82 576 140.28 595 152.17 613 164.51 631 177.3544120 3400 542 125.20 562 136.45 581 148.03 600 159.97 618 172.30 635 185.04 653 198.22 670 211.8646716 3600 548 133.24 568 144.74 587 156.53 605 168.53 623 181.05 640 193.83 657 206.97 674 220.51 690 234.46 796 248.8549311 3800 554 141.84 574 153.64 593 165.70 611 178.02 628 190.63 645 203.54 662 216.76 678 230.33 694 244.24 710 258.5351906 4000 561 150.97 580 163.12 599 175.49 617 188.10 634 200.95 651 214.06 668 227.46 684 241.15 699 255.13 715 269.4454501 4200 567 160.64 586 173.16 605 185.88 623 198.81 640 211.95 657 225.33 673 238.95 689 252.83 705 266.98 720 281.4157096 4400 573 170.85 593 183.76 611 196.85 629 210.13 646 223.61 663 237.29 679 251.20 695 265.32 711 279.69 726 294.3059693 4600 580 181.60 599 194.92 617 208.40 635 22.06 652 235.90 669 249.92 685 264.14 701 278.56 717 293.19 732 308.0562288 4800 586 192.93 605 206.65 624 220.54 642 234.59 659 248.81 675 263.20 692 277.76 707 292.51 723 307.45 738 322.5964883 5000 593 204.85 612 218.98 630 233.27 648 247.73 665 262.34 682 277.11 698 292.05 714 307.15 729 322.43 744 337.8967478 5200 600 217.41 619 231.93 637 246.62 655 261.49 672 276.51 688 291.68 704 307.00 720 322.48 735 338.12 750 353.9270073 5400 607 230.65 626 245.53 644 260.63 661 275.89 678 291.32 695 306.90 711 322.62 726 338.49 741 354.51 756 370.6872669 5600 615 244.60 633 259.84 651 275.31 668 290.97 685 306.80 701 322.79 717 338.92 733 355.19 748 371.60 762 388.1675264 5800 622 259.33 640 274.90 658 290.72 675 306.76 691 322.98 708 339.37 724 355.91 739 372.59 754 389.40 769 406.3577860 6000 630 274.87 648 290.75 665 306.90 682 323.30 698 339.90 714 356.68 730 373.62 746 390.70 761 407.93 775 425.2880450 6200 639 291.26 656 307.43 673 323.89 689 340.63 705 357.59 721 374.75 737 392.08 752 409.57 767 427.20 782 444.9683050 6400 647 308.52 664 324.99 680 341.75 697 358.80 713 376.10 728 393.61 744 411.32 759 429.20 774 447.23 788 465.4085646 6600 656 326.64 672 343.45 689 360.51 705 377.85 720 395.47 736 413.33 751 431.40 766 449.65 781 468.07 795 486.64BHP does not include drive losses. Performance shown is with inlet and outlet ducts. Data in bold type indicates the quietest and most efficient performance. WHEEL DIAMETER - 85-1/4"OUTLET 49" x 39-3/8" - AREA 13.121 SQ. FT. INLET 49-1/2" - AREA 13.10 SQ. FT.TIP SPEED (FPM) = 22.32 x RPMVRB-649VOL. CFMOutlet Vel. FPM1" S.P. 7" S.P. 8" S.P. 9" S.P.2" S.P. 3" S.P. 4" S.P. 5" S.P. 10" S.P.VOL. CFMOutlet Vel. FPM11" S.P. 12" S.P. 13" S.P. 14" S.P. 15" S.P. 16" S.P.6" S.P.17" S.P. 18" S.P. 19" S.P. 20" S.P.RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP15760 1000 148 4.0618912 1200 153 4.99 204 9.9222064 1400 159 6.13 208 11.37 248 17.6125217 1600 165 7.47 214 13.16 252 19.56 286 26.9228369 1800 172 9.07 220 15.23 258 21.97 290 29.42 320 37.7831521 2000 180 10.98 226 17.57 263 24.76 295 32.50 324 40.90 351 50.1334673 2200 186 13.19 232 20.23 269 27.90 301 36.02 329 44.68 356 53.96 380 63.9937825 2400 197 15.68 238 23.22 275 31.37 306 39.96 335 48.97 360 58.49 385 68.59 408 79.35 430 90.8740978 2600 205 18.49 246 26.62 281 35.21 312 44.28 340 53.73 366 63.59 390 73.92 412 84.79 433 96.25 454 108.3944130 2800 214 21.63 253 30.46 287 39.45 318 49.00 346 58.93 371 69.20 395 79.87 417 90.98 438 102.58 458 114.7247282 3000 223 25.13 262 34.75 294 44.14 324 54.15 352 64.56 377 75.30 400 86.38 422 97.83 443 109.68 463 121.9850434 3200 232 29.01 270 39.44 301 49.34 330 59.76 358 70.65 383 81.88 406 93.41 428 105.26 448 117.46 468 130.0353585 3400 241 33.29 278 44.51 309 55.08 337 65.88 364 77.23 389 88.95 412 100.96 434 113.26 454 125.86 473 138.7856738 3600 251 38.01 287 50.04 317 61.37 344 72.57 370 84.33 395 96.53 418 109.03 439 121.81 460 134.85 479 148.1859890 3800 260 43.17 296 56.04 326 68.17 352 79.87 377 92.01 401 104.65 424 117.65 445 130.91 465 144.43 485 158.2163042 4000 270 48.81 305 62.52 334 75.44 360 87.82 384 100.33 407 113.38 430 126.84 451 140.60 471 154.61 490 168.8666194 4200 279 54.96 314 69.52 342 83.20 368 86.38 392 109.33 414 122.75 436 136.64 457 150.88 477 165.39 496 180.1369346 4400 289 61.63 323 77.05 351 91.54 376 105.53 399 119.05 421 132.84 443 147.12 463 161.81 483 176.80 502 192.0372499 4600 299 68.85 332 85.13 360 100.46 385 115.21 408 129.47 429 143.67 450 158.33 470 173.43 489 188.88 508 204.6075651 4800 309 76.66 341 93.80 369 109.94 393 125.45 416 140.56 437 155.29 457 170.31 477 185.79 496 201.67 514 217.8778803 5000 319 85.08 350 103.07 377 120.05 402 136.34 424 152.28 445 167.68 464 183.12 484 198.96 502 215.24 521 231.8781955 5200 329 94.12 360 112.96 386 130.79 411 147.95 433 164.59 453 180.82 472 196.77 491 212.99 509 229.64 527 246.6885107 5400 339 103.83 369 123.51 396 142.20 419 160.12 441 177.54 462 194.65 481 211.26 499 227.90 516 244.91 534 262.3388260 5600 349 114.22 379 134.74 405 154.29 428 173.04 450 191.23 470 209.14 489 226.55 507 243.72 524 261.11 541 278.9091412 5800 359 125.32 388 146.67 414 167.08 437 186.67 458 205.74 478 224.30 497 242.60 515 260.43 532 278.27 548 296.42RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP40978 2600 474 121.2644130 2800 478 127.45 497 140.8447282 3000 482 134.77 500 148.10 518 162.01 536 176.5550434 3200 487 143.02 505 156.45 522 170.37 540 184.81 556 199.80 573 215.3953585 3400 492 152.06 510 165.72 527 179.78 544 194.29 560 209.26 576 224.73 592 240.73 608 257.3056738 3600 497 161.82 515 175.79 532 190.10 549 204.80 565 219.89 581 235.40 596 251.36 611 267.81 626 284.75 641 302.2359890 3800 503 172.26 521 186.60 538 201.24 554 216.21 570 231.52 586 247.20 601 263.26 616 279.73 630 296.63 644 313.9963042 4000 509 183.86 526 198.11 543 213.13 560 228.44 575 244.05 591 259.98 606 276.24 620 292.86 635 309.85 649 327.2466194 4200 514 195.10 532 210.30 549 225.75 565 241.45 581 257.42 596 273.66 611 290.21 625 307.06 640 324.24 654 341.7769346 4400 520 207.49 538 223.17 555 239.07 571 255.20 586 271.57 602 288.19 616 305.08 631 322.23 645 339.68 659 357.4372499 4600 526 220.56 544 236.72 560 253.10 576 269.69 592 286.49 607 303.53 622 320.80 636 330.31 650 356.08 664 374.1275651 4800 532 234.21 549 250.97 566 267.84 582 284.91 598 302.17 613 319.65 628 337.34 642 355.25 656 373.40 669 391.7878803 5000 538 248.79 565 265.94 572 283.21 588 300.86 604 318.61 619 336.55 633 354.69 647 373.04 661 391.59 675 410.3681955 5200 545 264.04 562 281.67 578 299.52 594 317.58 609 335.82 624 354.24 639 372.85 653 391.65 667 410.64 680 429.8485107 5400 551 280.12 568 298.20 584 316.53 600 335.07 615 353.81 630 372.73 645 391.82 659 411.10 673 430.55 686 450.1988260 5600 558 297.07 574 315.58 590 334.36 606 353.39 621 372.61 636 392.02 651 411.61 665 431.38 678 451.31 692 471.4191412 5800 565 314.96 581 333.86 597 353.08 612 372.56 627 392.26 642 412.17 657 432.25 671 452.51 684 472.93 698 493.5194564 6000 572 333.83 588 353.11 603 372.73 619 392.64 634 412.81 648 433.19 663 453.76 677 474.51 690 495.43 703 516.5097716 6200 580 353.73 595 373.37 610 393.37 625 413.69 640 434.29 655 455.13 669 476.18 683 497.42 696 518.83 709 540.40100779 6400 587 374.69 603 394.70 617 415.05 632 435.76 647 456.77 661 478.04 675 499.55 689 521.26 702 543.16 715 565.23104021 6600 595 396.71 610 417.11 625 437.84 639 458.90 654 480.30 668 501.98 681 523.93 695 546.10 708 568.47 721 591.0217" S.P. 18" S.P. 19" S.P. 20" S.P.10" S.P.VOL. CFMOutlet Vel. FPM11" S.P. 12" S.P. 13" S.P. 14" S.P. 15" S.P. 16" S.P.6" S.P. 7" S.P. 8" S.P. 9" S.P.2" S.P. 3" S.P. 4" S.P. 5" S.P.VRB-654VOL. CFMOutlet Vel. FPM1" S.P.BHP does not include drive losses. Performance shown is with inlet and outlet ducts. Data in bold type indicates the quietest and most efficient performance. WHEEL DIAMETER - 93-3/4"OUTLET 54" x 43-1/4" - AREA 15.936 SQ. FT. INLET 54-1/2" - AREA 15.90 SQ. FT.TIP SPEED (FPM) = 24.54 x RPMRPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP19456 1000 133 5.0223348 1200 138 6.17 183 12.2527239 1400 143 7.56 188 14.04 223 21.7331130 1600 149 9.22 193 16.24 227 24.14 258 33.2435021 1800 155 11.20 198 18.80 232 27.13 261 36.33 288 46.6438913 2000 162 13.55 203 21.70 237 30.57 266 40.12 292 50.50 316 61.8942804 2200 169 16.29 209 24.97 242 34.44 271 44.47 296 55.16 320 66.62 342 78.9946695 2400 177 19.36 214 28.67 247 38.73 276 49.33 301 60.46 324 72.21 346 84.67 367 97.96 387 112.1850587 2600 185 22.83 221 32.87 253 43.37 281 54.67 306 66.33 329 78.51 351 91.26 371 104.68 390 118.83 409 133.8154478 2800 193 26.70 228 37.61 258 48.70 286 60.50 311 72.75 334 85.44 355 98.61 375 112.32 394 126.64 412 141.6258369 3000 201 31.02 235 42.90 265 54.49 292 66.85 317 79.71 339 92.97 360 106.64 380 120.77 399 135.41 417 150.5962261 3200 209 35.82 243 48.69 271 60.91 297 73.77 322 87.23 345 101.09 365 115.32 385 129.95 404 145.01 421 160.5366152 3400 217 41.10 251 54.95 278 68.00 303 81.33 327 95.34 350 109.81 371 124.64 390 139.82 409 155.38 426 171.3470043 3600 226 46.92 258 61.78 286 75.77 310 89.59 333 104.11 355 119.17 376 134.61 395 150.38 414 166.48 431 182.9473934 3800 234 53.30 266 69.18 293 84.16 317 98.61 339 113.59 361 129.20 381 145.24 401 161.62 419 178.31 436 195.3277826 4000 243 60.26 274 77.19 301 93.14 324 108.41 346 123.86 367 139.97 387 156.59 406 173.57 424 190.87 441 208.4781718 4200 251 67.85 282 85.83 308 102.72 331 118.99 352 134.98 373 151.55 393 168.70 411 186.27 429 204.18 447 222.3885608 4400 260 76.08 290 95.12 316 113.01 339 130.28 359 146.97 379 164.00 398 181.63 417 199.76 435 218.27 452 237.0889500 4600 269 85.01 299 105.10 324 124.02 346 142.24 367 159.84 386 177.38 405 195.46 423 214.11 440 233.18 457 252.5993391 4800 278 94.64 307 115.80 332 135.72 354 154.88 374 173.53 393 191.72 411 210.26 429 229.37 446 248.98 463 268.9797282 5000 287 105.03 315 127.24 340 148.20 362 168.32 382 187.99 400 207.01 418 226.07 435 245.63 452 265.73 469 286.26101174 5200 296 116.20 324 139.46 348 161.47 370 182.66 389 203.20 408 223.23 425 242.92 442 262.95 458 285.30 474 304.54105065 5400 305 128.19 332 152.49 356 175.55 377 197.68 397 219.18 415 240.31 432 260.81 449 281.36 465 302.36 481 323.87108957 5600 314 141.01 341 166.35 364 190.48 385 213.63 405 236.09 423 258.20 440 279.89 456 300.89 472 322.36 487 344.32112847 5800 324 154.72 350 181.08 373 206.27 393 230.46 413 254.00 431 276.92 447 299.51 463 321.51 479 343.54 494 365.95RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP50587 2600 427 149.7154478 2800 430 157.35 447 173.8858369 3000 434 166.39 450 182.84 466 200.01 482 217.9662261 3200 438 176.57 454 193.15 470 210.33 486 228.16 501 246.67 516 265.9266152 3400 443 187.73 459 204.59 474 221.95 490 239.86 504 258.34 519 277.45 533 297.20 547 317.6670043 3600 448 199.78 464 217.02 479 234.70 494 252.83 509 271.46 523 290.62 537 310.33 550 330.63 564 351.55 577 373.1273934 3800 453 212.67 469 230.37 484 248.44 499 266.92 513 285.82 527 305.18 541 325.01 554 345.35 567 366.21 580 387.6477826 4000 458 226.37 474 244.58 489 263.13 504 282.03 518 301.30 532 320.96 545 341.04 558 361.56 571 382.54 584 404.0081718 4200 463 240.86 479 259.63 494 278.70 509 298.08 523 317.80 536 337.86 550 358.28 563 379.09 576 400.30 588 421.9385608 4400 468 256.16 484 275.52 499 295.15 514 315.06 528 335.27 541 355.79 555 376.64 568 397.82 580 419.36 593 441.2789500 4600 474 272.89 489 292.25 504 312.47 519 332.95 533 353.70 546 374.72 560 396.04 573 417.67 585 439.61 597 461.8893391 4800 479 289.27 494 309.84 509 330.67 524 351.74 538 373.05 552 394.63 565 416.47 578 438.58 590 460.98 602 483.6897282 5000 484 307.15 500 328.33 515 349.76 529 371.44 543 393.35 557 415.50 570 437.89 583 460.54 595 483.45 607 506.62101174 5200 490 325.98 505 347.74 520 369.78 535 392.07 548 414.59 562 437.34 575 460.31 588 483.52 600 506.97 612 530.66105065 5400 496 345.82 511 368.15 526 390.78 540 413.67 554 436.80 567 460.16 580 483.73 593 507.53 605 531.54 618 555.79108957 5600 502 366.75 517 389.60 531 412.80 545 436.28 559 460.01 573 483.98 586 508.17 598 532.56 611 557.17 623 581.99112847 5800 508 388.84 523 412.18 537 435.90 551 459.95 565 484.28 578 508.85 591 533.64 604 558.65 616 583.86 628 609.28116739 6000 515 412.14 529 435.94 543 460.16 557 484.74 570 509.64 583 534.80 596 560.20 609 585.81 621 611.64 633 637.66120631 6200 522 436.71 536 460.95 549 485.64 563 510.73 576 536.16 589 561.89 602 587.87 614 614.09 627 640.53 638 667.16124522 6400 529 462.58 542 487.28 556 512.41 569 537.97 582 563.91 595 590.18 607 616.73 620 643.54 632 670.57 644 697.81128413 6600 536 489.76 549 514.96 562 540.54 575 566.54 588 592.96 601 619.73 613 646.83 626 674.20 638 701.82 649 729.6617" S.P. 18" S.P. 19" S.P. 20" S.P.10" S.P.VOL. CFMOutlet Vel. FPM11" S.P. 12" S.P. 13" S.P. 14" S.P. 15" S.P. 16" S.P.6" S.P. 7" S.P. 8" S.P. 9" S.P.2" S.P. 3" S.P. 4" S.P. 5" S.P.VRB-660VOL. CFMOutlet Vel. FPM1" S.P.BHP does not include drive losses. Performance shown is with inlet and outlet ducts. Data in bold type indicates the quietest and most efficient performance. WHEEL DIAMETER - 104-1/4"OUTLET 60" x 48" - AREA 19.673 SQ. FT. INLET 60-1/2" - AREA 19.64 SQ. FT.TIP SPEED (FPM) = 27.29 x RPM SIZE Wheel Dia. Shaft Dia. A B C D E F G J K L M N O P R SWeight less MotorMotor WeightVRB-609 15-5/8" 1-3/16" 17 9 7-1/2" 11-1/16" 9-11/16" 12-3/16" 11-11/16" 6-7/8" 9-1/4" 13-5/16" 31-1/2" 19 12 10-1/2" 12-1/4" 3 19324VRB-611 19-1/8" 1-7/16" 21 11 9-1/16" 13-1/4" 11-3/4" 14-7/8" 13-3/4" 7-5/8" 11-1/4" 16-1/2" 35-1/16" 23 14 12-1/16" 14-1/4" 3 28840VRB-613 22-5/8" 1-7/16" 23 13 10-1/2" 15-5/8" 13-7/8" 17-9/16" 15-7/8" 8-3/8" 13-1/4" 19-1/2" 38-1/2" 23-7/8" 17 14-1/2" 17-1/4" 3 34045VRB-615 26-1/8" 2-3/16" 26 15 12-1/8" 18-1/8" 16-1/16" 20-5/16" 19-1/16" 9-3/16" 15-1/4" 22-1/2" 40-1/8" 27-5/8" 19 16-1/8" 19-1/4" 3 57949VRB-617 29-5/8" 2-3/16" 29 17 13-3/4" 20-5/8" 18-5/16" 23-1/16" 21-3/8" 11-1/16" 17-1/4" 25-1/2" 42 29-5/8" 21 17-3/4" 21-1/4" 3 72882VRB-619 33 2-3/16" 32 19 15-3/8" 22-7/8" 20-5/16" 25-11/16" 23-3/8" 11-13/16" 19-1/4" 28-1/2" 44-5/8" 32 24 20-3/8" 24-1/4" 3 86296VRB-621 36-1/2" 2-15/16" 35 21 17 25-3/8" 22-1/2" 28-7/16" 25-9/16" 12-5/8" 21-1/4" 31-1/2" 46-1/4" 35-5/8" 26 22 26-1/4" 3 1078145VRB-623 40 2-15/16" 39 23 18-5/8" 27-3/4" 24-5/8" 31-1/8" 28-11/16" 13-15/16" 23-1/4" 34-1/2" 47-7/8" 38-5/8" 28 23-5/8" 27-1/4" 3 1220165VRB-626 45-1/8" 2-15/16" 44 26 20-7/8" 31-3/8" 27-3/4" 35-3/16" 31-3/4" 15-1/8" 26-1/4" 39 51-1/8" 42-5/8" 31 25-7/8" 30-1/4" 4 1500270VRB-629 50-1/2" 2-15/16" 48 29 23-1/4" 35 31 39-1/4" 35-1/8" 16-5/8" 29-1/4" 43-1/2" 56 46-5/8" 35 29-1/4" 35-1/4" 4 1800316VRB-633 57-1/2" 3-7/16" 53 33 26-1/2" 40-3/8" 35-13/16" 44-15/16" 39-13/16" 18-1/4" 33-5/8" 49-1/2" 61-1/4" 52-3/8" 39 32-1/2" 39-3/8" 4 2200362VRB-637 64-3/8" 3-15/16" 59 37 29-5/8" 44-5/8" 39-1/2" 50-1/16" 44-1/2" 19-13/16" 37-3/8" 55-1/2" 66-3/8" 56-15/16" 43 35-5/8" 43-3/8" 4 2800398VRB-641 71-1/4" 4-7/16" 66 41 32-7/8" 49-3/8" 43-3/4" 55-7/16" 48-3/4" 22-15/16" 41-3/8" 61-1/2" 71-5/8" 63-1/4" 47 38-5/8" 47-3/8" 4 5600546VRB-645 78-1/4" 4-15/16" 73 45 36-1/4" 54-1/8" 48 60-7/8" 53 24-3/8" 45-3/8" 67-1/2" 77 69 51 42-1/4" 51-3/8" 4 7000610VRB-649 85-1/4" 4-15/16" 80 49 39-3/8" 58-7/8" 52-3/16" 66-1/8" 57-3/16" 27-15/16" 49-1/2" 73-3/8" 85-7/8" 75 57 47-3/8" 57-1/2" 4 8400802VRB-654 93-3/4" 6 89 54 43-1/4" 64-5/8" 57-1/4" 72-5/8" 63-1/4" 29-7/8" 54-1/2" 80-5/8" 93-3/8" 83-3/16" 62 51-1/4" 62-1/2" 4 9800840VRB-660 104-1/4" 6-7/16" 92 60 48 71-15/16" 63-3/4" 80-13/16" 69-3/4" 32-5/16" 60-1/2" 89-11/16" 105-5/8" 92 68 56 68-1/2" 4 105001172353060257-1/21015207510040502Motor HP3/411-1/2MPCJKHFLANG EOPTIONALAL DEFGBDNSENVIRONMENT °F ENVIRONMENT °F ENVIRONMENT °FACIDS GASES (cont.) SALTS (cont.)Acetic to 10% 200 Hydrogen Sulfide 200 Potassium Persulfate 140Acetic to 50% 150 Sulfur Dioxide, Dry 200 Potassium Sulfate 200Acrylic 100 Sulfur Dioxide, Wet 170 Silver Nitrate 170Benzene Sulfonic to 25% 170 Sulfur Trioxide, Dry 120 Sodium Acetate 200Benzene Sulfonic 25% UP 80 Sulfur Trioxide, Wet 120 Sodium Bisulfate 200Benzoic 200 Sodium Chloride 200Boric 200 ALKALIES Sodium Chlorite 120Butyric to 50% 200 Ammonium Bicarbonate 150 Sodium Cyanide 200Butyric 50% UP 80 Ammonium Carbonate 120 Sodium Dichromate 170Carbonic 200 Ammonium Hydroxide to 5% 150 Sodium Ferricyanide 200Chloracetic to 25% 170 Ammonium Hydroxide to 10% 120 Sodium Fluoride 150Chloracetic 25% to 50% 150 Ammonium Hydroxide to 29% 80 Sodium Nitrate 200Chromic to 5% 120 Aqueous Ammonia 5% 150 Sodium Nitrite 200Chromic 5% UP N.R. Barium Carbonate 200 Sodium Silicate PH Less than 12 150Citric 200 Barium Hydroxide to 10% 140 Sodium Sulfate 200Fluoboric S 170 Calcium Hydroxide 170 Sodium Sulfite 170Fluosilicic up to 32% S 90 Magnesium Carbonate 200 Stannic Chloride 200Formic F 200 Potassium Bicarbonate 170 Stannous Chloride 200Gluconic to 50% 170 Potassium Carbonate 150 Zinc Chloride 200Hydrobromic to 50% 150 Potassium Hydroxide to 50% 120 Zinc Nitrate 200Hydrochloric to 15% *200 Sodium Bicarbonate 170 Zinc Sulfite 170Hydrochloric to 37% *150 Sodium Carbonate to 35% 150Hydrochloric *F 200 Sodium Hydroxide to 10% N.R. SOLVENTSHydrocyanic to 10% 150 Sodium Hydroxide to 50% N.R. Acetone to 10% F 180Hydrofluoric to 10% S 150 Sodium Sulfide 150 Benzene 80Hydrofluosilicic up to 30% 140 Trisodium Phosphate 140 Carbon Disulfide 80Hypochlorous to 20% 170 Carbon Tetrachloride F 140Lactic 200 Chlorobenzene N.R.Maleic 170 SALTS Ethyl Acetate F 100Nitric to 5% 150 Aluminum Chloride 200 Ethyl Chloride F 90Nitric above 5% N. R. Aluminum Potassium Sulfate 200 Ethylene Dibromide 100Nitric (vapor) F 150 Aluminum Sulfate 200 Ethylene Glycol 200Nitrous to 10% 150 Ammonium Chloride 200 n-Heptane 200Oleic 200 Ammonium Nitrate 200 Hexane 140Oxalic 200 Ammonium Persulfate to 25% 170 Methyl Ethyl Ketone 80Perchloric F 150 Ammonium Persulfate, saturated 150 Naphtha 200Phosphoric 170 Ammonium Sulfate 200 Naphthalene 200Phospheric, super 150 Aniline Sulfate to 25% 200 Tetrachloroethylene 80Phospheriv (vapor) F 200 Aniline Sulfate, saturated 170 Toluene 80Phthalic 200 Antimony Trichloride 170 Xylene 80Picric to 10% 80 Barium Chloride 200Silicic 200 Barium Sulfide 170 BLEACHESStearic 200 Calcium Chlorate 200 Calcium Chlorate 200Sulfamic, See 190 Calcium Chloride 200 Calcium Hypochlorite 200Benzene Sulfonic up to 25% 170 Calcium Sulfate 200 Chlorine Dioxide up to 15% 170Sulfuric to 25% 190 Copper Chloride 200 Chlorine Water 170Sulfuric to 50% 140 Copper Cyanide 200 Hydrogen Peroxide to 10% 120Sulfuric to 70% 80 Copper Fluoride 150 Hydrogen Peroxide to 30% 80Sulfuric to 98% (Oleum) N.R. Copper Oxychloride 150 Sodium Chlorate 120Sulfurous to 10% 170 Copper Sulfate 200 Sodium Hypochlorite F 170Tannic 200 Ferric Chloride 200Tartaric 200 Ferric Nitrate 170Trichloroacetic to 50% 170 Ferric Sulfate 200 OTHERSFerrous Chloride 200 Alunium Chlorohydroxide 200ALCOHOLS Ferrous Nitrate 200 Ammonium Phosphate 200Amyl 170 Ferrous Sulfate 200 Aqua Regia F 80Benzyl 100 Lead Acetate 200 Detergents 150Butyl 140 Magnesium Chloride 200 Glycerine 200Ethyl 80 Magnesium Hydroxide 170 Kerosene 200Methyl 80 Magnesium Sulfate 200 Photographic Solutions 90Mercuric Chloride 200 Perchlorethylene 80GASES AND VAPORS Mercurous Chloride 200 Sodium Tetraborate 200Ammonia, Dry 170 Nickel Chloride 200 Sodium Tripolyphosphate 200Ammonia, Wet 150 Nickel Nitrate 200 Sodium Xylene Sulfonate 150Bromine 100 Nickel Sulfate 200 Sorbital Solution 200Carbon Dioxide 200 Potassium Chloride 200 Urea 140Carbon Monoxide 200 Potassium Dichromate 170 Urea-Ammonium-Nitrate 120Chlorine 200 Potassium Ferricyanide 200 8-8-8 Fertilizer 120Fluorine N. R. Potassium Nitrate 200 Shell D-D N.R.Hydrogen Fluoride, Wet 150 Potassium Permanganate 80 Steam. Etc. 80NOTE: Except where prefixed by "F" the resin manufacturers figures are for Immersion and the resistance is higher where exposure to fumes only is required. *Special hardware recommended: Contact Factory.FIBERGLASS CORROSION TABLEThis table may be used as a guide for ventilating gases and vapors from processes where chemicals shown are used.Maximum temperatures shown.N. R. = NOT RECOMMENDED F = FUMES ONLY S = SURFACING MAT FORM: MP-114 Effective December 1993 Supercedes All Previous Warranties • LIMITED WARRANTY VIRON® INTERNATIONAL warrants to the dealers and owners its VIRON® products and parts to be free from defects in workmanship and material under normal use and services for one (1) year after the date of shipment by VIRON to the first retail purchaser or first user: if and only if VIRON® is notified in writing of the defect within fourteen (14) days from date that the defect is discovered. Written notice of defects discovered within the final fourteen (14) days of the warranty period must be sent to VIRON® via facsimile or first class mail prior to the expiration of the warranty period otherwise this warranty shall be void. Our obligation under this warranty is expressly limited to repairing or replacing at our option, without cost at our factory any part or parts therof which shall be returned to and received by VIRON® within such warranty period with transportation charges both to and from VIRON® prepaid, and which our examination shall disclose to our satisfaction to have been defective. In the event a defect is discovered within the final seven days of the warranty period, the returned goods must be received by VIRON® at VIRON®’s facility within seven days following expiration of the warranty period. Any request for repair or replacement should be directed to VIRON® INTERNATIONAL, Owosso, MI. If examined equipment is found not to be defective or for some other reason not to be within the warranty coverage, seller’s service time expended on and off location will be charged to the purchaser. This warranty gives you specific legal rights which vary from state to state. FAILURE TO PAY THE INVOICE IN FULL WILL RESULT IN VOIDING ANY AND ALL WARRANTIES. • LIMITATION OF WARRANTY AND LIABILITY This warranty does not apply to such VIRON® products and parts which in the sole judgment of VIRON® have failed as a result of faulty installation or abuse, or incorrect electrical connections or alterations, made by others, or use under abnormal operating conditions or misapplication of products and parts. This warranty does not apply to damage resulting from shipment or storage of VIRON® products. Purchaser acknowledges that VIRON® products contain rotating parts that may be damaged by the forces of nature if not installed or put to their intended use within seven (7) days of delivery. THIS WARRANTY DOES NOT COVER COMPONENT PARTS THAT CARRY A SEPARATE WARRANTY FROM THE MANUFACTURER OF THE COMPONENT PART. VIRON® will not approve for payment any repair made outside its factory without prior written consent of its Owosso, Michigan office. The foregoing shall constitute our sole and exclusive warranty and our sole and exclusive liability and is in lieu of all other warranties, whether written, oral, implied or statutory. THERE ARE NO WARRANTIES WHICH EXTEND BEYOND THE DESCRIPTION ON THE PAGE HEREOF. SELLER DOES NOT WARRANT MERCHANTABILITY THAT SAID GOODS AND ARTICLES ARE OF MERCHANTABLE QUALITY, OR THAT THEY ARE FIT FOR ANY PARTICULAR PURPOSE. The liability of any seller on any claim of any kind, including contract, warranty, tort, or negligence, for any loss or damage arising out of or connected with or resulting from the sale and purchase of products and parts covered by any VIRON® proposal, acknowledgement, order, or from the performance or breach of any contract pertaining to such sale or purchase, or from the design, manufacture, sale, delivery, resale, installation, technical direction in installation, inspection, repair, operation or use of any products or parts covered by any VIRON® proposal, acknowledgement, order or furnished by seller, shall in no case exceed the price as paid by purchaser allocable to the products or parts therof which give rise to the claim and shall terminate one year after shipment of said products and parts. IN NO EVENT, WHETHER AS A RESULT OF BREACH OF CONTRACT, OR WARRANTY, OR TORT, OR ALLEGED NEGLIGENCE, DEFECTS, INCORRECT ADVICE OR OTHER CAUSES, SHALL SELLER BE LIABLE FOR SPECIAL, INCIDENTAL OR CONSEQUENTIAL DAMAGES, including but not limited to loss of profits or revenue, loss of use of the equipment or any associated equipment, cost of removal or reinstallation or any cost associated therewith, cost capital, cost of substitute equipment, facilities or services, down time cost, or claims of customers of the purchase of such damages. VIRON® neither assumes nor authorizes any person to assume for it any other liability in connection with the sale of its products and parts. Some states do not allow the exclusion or limitation of incidental or consequential damages, so all of the above limitations or exclusions may not apply to you. WARRANTY Centrifugal Fan VCF-100Inline Centrifugal FanVIF-200Radial BlowerVRB-600Lab BlowerVLB-700PushBlowerVPB-800Roof VentilatorVRV-900Centrifugal Fan VCB-1100Gravity Relief VentilatorVGR-1300Horizontal ScrubberVHS-SeriesVertical ScrubberVVS-SeriesBlower-ScrubberVBS-SeriesVIRO-CHROME 9000® VCS-SeriesVI-A-DUC® FM Approved PVC DuctVIRO-DUC® FM Approved FRP DuctSSTEELCOAT® FM Approved DuctFRP DuctICBO ApprovedVI-A-TROL® AMCA Approved Damper PVC & FRPBlastgatesFRP ParallelBlade DamperFRP Fixed Louver