Aqua Lator Surface Aerators Brochure

Water TechnologiesAqua-Lator® Surface Aerators2OverviewThe Aqua-Lator® floating mechanical aerator is used in a varietyof wastewater treatment applications. Powerful pumpingaction transfers oxygen by breaking up the wastewater into aspray of particles, creating more surface area for atmosphericpressure to drive oxygen into the wastewater. At the same time,the oxygen enriched water is dispersed and mixed. The result:Effective wastewater treatment.The Aqua-Lator® aerator represents over four decades ofaccumulated research and field testing in a broad range ofmunicipal and industrial applications throughout the world. Noother floating mechanical aerator is as ruggedly built, more effi-cient, or as versatile. It provides excellent oxygen transfer, lowoperating costs, trouble-free performance and unequaledresistance to the environmental extremes to which aerators arecontinually exposed.The Aqua-Lator® aerator was the first floating surface aerator.Introduced in 1963, it created imitators, but none who couldever duplicate its superior performance and reliability.From the beginning, Aqua-Lator® aerators have deliveredexcellent value for thousands of municipal and industrialwastewater operators. Driving this track record has been aconsistent product philosophy of providing reliableperformance, simplicity of operation and ease of maintenance.3Satisfied CustomersSatisfied customers span the complete range of wastewatertreatment operations, from large city municipal treatmentplants to the smallest village plant; from pulp and paper mills,food and beverage processors and petrochemical plants totextile manufacturers. Industrial customers range from the top500 corporations to small companies.Exceptional VersatilityThe Aqua-Lator® aerator offers exceptional versatility. Unitsmay be easily added, repositioned or upgraded to cope withchanging conditions. As additional aeration capacity is required,new equipment can often be placed in operation the same dayit is delivered. Because the Aqua-Lator® aerator automaticallyadjusts to varying water levels, it ensures continuous, optimumoperating efficiency for the many industrial users who operatewaste treatment facilities by the batch method or other systemswhere the fluid level fluctuates.Broad Range Of ApplicationsAqua-Lator® aerators are used in a wide variety of installations –aerated lagoons, sequencing batch reactors (SBR), stabilizationbasins, activated sludge and aerobic digestion systems, as wellas for stream aeration, reservoir stagnation prevention andupgrading existing ponds.Resources And CapabilitiesWith the full resources of Siemens Water Technologies tosupport it, we offer the widest range of horsepower, materialsof construction, motor options and electrical and mooringaccessories.Our engineers can assist in the selection of the optimal aeratorsize, placement and mooring.4Aqua-Lator® Surface Aerator Design Features2146810123579115Motor? Totally enclosed, fan-cooled? Heavy gauge cast iron fan shield? Class F insulation? Service factor of 1.15? Standard or premium efficientavailable? Double-row bearings on drive end? Heavy-duty L-10, 100,000-hourbearings? Dynamically balanced andvibration tested? Designed to meet the mostdemanding operationalrequirementsMotor Junction Box? Opening in motor housing forwinding leads is completely pottedwith epoxy fillerMotor Shaft? One piece continuous fromupper bearings to the propeller? 17-4 PH stainless steel in the1150°F heat treated condition? 135,000 PSI minimum yieldstrength? Largest diameter shaft? Threaded and keyed on drive endfor simple propeller installationLabyrinth Seal Guard? Positioned below the bottommotor bearing to prevent moisturefrom migrating up the shaft intothe lower bearingDischarge Cone? Massive monolithic casting,heavier than competition? Large integral webs for rigidstability and increased lateralstrength? Designed for minimum head loss? 304 stainless steel, or cast nickeliron, epoxy-coated? Provides for lowest vibration levels? Produces maximum diffusionof water particles? 100% contact with the volute,which distributes both static anddynamic loadsFloat? Largest one-piece float available? Engineered to provide stabilityand better buoyancy? Fiberglass reinforced polyester(FRP), or? 14-gauge, 304 stainless steel? Filled with closed-cellpolyurethane foam that addsstructural stability and preventsthe possibility of sinking if damageoccurs to the float exteriorDeflector Bearing? Shaft runs free under normaloperating conditions? Provides support only when underloadDebris Deflector? Machined Delrin® for smooth fluidpassage over the surface? Attached with two recessedstainless steel set screws? Double engagement provides anextra measure of preventing watermigration up the shaftPropeller And Key? Precision investment casting? 316 stainless steel? Dynamically balanced? Keyed to mate to motor shaft inproper position? Secured to shaft by stainless steellocking nut? Simple installation or removal? Anti-fouling, non-cavitating forgreater operational efficiencyLocking Nut? Stainless steel? Firmly and securely locks thepropeller to the shaft? Just two tools required to install orremove the propellerVolute? 304 stainless steel? All sizes have bottom flange forsimple bolt-on attachment of thestandard intake cone or optionalanti-erosion assembly or drafttube? Gussets at top and bottom flangesadd strengthIntake cone? 304 stainless steel? Hydraulically designed for properloading on propeller? Sufficiently sturdy to supportassembled aerator on hard, flatsurface? (Optional) Anti-erosion assembly(see page 13)? (Optional) Draft Tube1234567891011126Whatever your floating aerator requirements, there is an Aqua-Lator® aerator to meet your needs. These choices provide themost cost-effective design for municipal, pulp and paper, foodprocessing, or other types of industrial wastewater treatment.You may choose one of the standard model series listed below,or another combination of materials that best meet yourspecific needs. Whichever Aqua-Lator® aerator you choose, beassured that you have selected the best aerator in the market. Interms of design, craftsmanship, performance, and versatility, itis the best investment that you can make.SF Series? Motor Shaft – One-piece 17-4 PH stainless steel? Propeller – 316 stainless steel, dynamically balanced? Discharge Cone – 304 stainless steel, monolithic casting? Volute – 304 stainless steel? Intake Cone – 304 stainless steel? Float – 14-gauge, 304 stainless steel shell, filled withclosed-cell polyurethane foamCSF Series? Motor Shaft – One-piece 17-4 PH stainless steel? Propeller – 316 stainless steel, dynamically balanced? Discharge Cone – Cast nickel iron, monolithic casting,epoxy coated? Volute – 304 stainless steel? Intake Cone – 304 stainless steel? Float – 14-gauge, 304 stainless steel shell, filled withclosed-cell polyurethane foamSS Series? Motor Shaft – One-piece 17-4 PH stainless steel? Propeller – 316 stainless steel, dynamically balanced? Discharge Cone – 304 stainless steel, monolithic casting? Volute – 304 stainless steel? Intake Cone – 304 stainless steel? Float – Fiberglass-reinforced polyester shell, filled withclosed-cell polyurethane foamCS Series? Motor Shaft – One-piece 17-4 PH stainless steel? Propeller – 316 stainless steel, dynamically balanced? Discharge Cone – Cast nickel iron, monolithic casting,epoxy coated? Volute – 304 stainless steel? Intake Cone – 304 stainless steel? Float – Fiberglass-reinforced polyester shell, filled withclosed-cell polyurethane foamSpecial MaterialsFor applications which require special materials such as 304L,316L, or others, please consult with our sales engineers.Materials of Construction7Typical Aqua-Lator® Surface AeratorApplication Characteristics1800 RPM1200 RPM900 RPMModel HP RPM IMP DCM DOD Depth211 2 1800 9 28 95 7311 3 1800 18 40 145 8511 5 1800 20 45 150 8511DS 5/2.2 1800/1200 31 103 8711 7.5 1800 21 50 160 9711 DS 7.5/3.3 1800/1200 34 111 91011 10 1800 23 55 180 101011 DS 10/4.4 1800/1200 35 97 101511 15 1800 25 64 214 101511 DS 15/6.6 1800/1200 42 137 10Model HP RPM IMP DCM DOD Depth2011 20 1200 28 76 265 102011 DS 20/11.2 1200/900 62 201 102511 25 1200 30 85 295 102511 DS 25/14.0 1200/900 70 222 103011 30 1200 32 93 310 103011 DS 30/16.8 1200/900 75 229 104011 40 1200 33 107 330 114011 DS 40/22.5 1200/900 86 275 115011 50 1200 34 111 360 125011 DS 50/28.1 1200/900 89 278 126011 60 1200 35 122 395 126011 DS 60/33.7 1200/900 96 295 127511 75 1200 36 137 440 127511 DS 75/42.2 1200/900 109 322 12Notes? Highlighted areas indicate dual-speed aerators? IMP – Impingement (white water) diameter in feet? DCM – Diameter of complete mix in feet? DOD – Diameter of complete oxygen dispersion in feet? DEPTH – Nominal operating depth where IMP, DCM, and DOD hold trueModel HP RPM IMP DCM DOD Depth10011 100 900 40 155 400 1510011 DS 100/69.4 900/750 120 285 1512511 125 900 43 160 450 1515011 150 900 45 165 495 158Dimensions of Stainless Steel Float Series - SF and CSFNotes? Highlighted areasindicate dual- speedaerators? SHAFT – Shaft Diameter? WGHT – Approximateshipping weight? All dimensions are ininches? Weight is in pounds1800 RPM Stainless Steel FloatsModel HP RPM A B C D Shaft WGHT211 2 1800 40.00 7.0 47.0 15.0 1.375 350311 3 1800 44.13 11.0 60.0 15.0 1.375 550511 5 1800 44.13 11.0 60.0 15.0 1.375 550511DS 5/2.2 1800/1200 44.13 11.0 60.0 15.0 1.375 550711 7.5 1800 46.63 11.0 60.0 15.0 1.750 650711 DS 7.5/3.3 1800/1200 49.13 11.0 60.0 15.0 1.750 6501011 10 1800 51.69 12.0 71.0 19.0 1.750 9751011 DS 10/4.4 1800/1200 55.63 12.0 71.0 19.0 1.750 9751511 15 1800 55.63 12.0 71.0 19.0 1.750 1,0001511 DS 15/6.6 1800/1200 59.56 12.0 71.0 19.0 1.750 1,0001200 RPM Stainless Steel FloatsModel HP RPM A B C D Shaft WGHT2011 20 1200 67.94 14.0 84.0 23.00 2.125 1,3502011 DS 20/11.2 1200/900 68.82 14.0 84.0 23.00 2.125 1,3502511 25 1200 68.82 14.0 84.0 23.00 2.125 1,4002511 DS 25/14.0 1200/900 69.70 14.0 84.0 23.00 2.125 1,4003011 30 1200 86.94 16.0 96.0 27.75 2.245 1,9003011 DS 30/16.8 1200/900 90.31 16.0 96.0 27.75 2.245 1,9004011 40 1200 90.31 16.0 96.0 27.75 2.900 1.9754011 DS 40/22.5 1200/900 93.70 16.0 96.0 27.75 2.900 1.9755011-1 50 1200 90.31 16.0 96.0 27.75 2.900 2,0505011-1DS 50/28.1 1200/900 93.70 16.0 96.0 27.75 2.900 2,1005011 50 1200 101.06 16.0 116.0 34.25 2.900 2,9005011 DS 50/28.1 1200/900 102.81 17.0 116.0 34.25 2.900 2,9756011 60 1200 102.81 16.0 116.0 34.25 2.900 3,1006011 DS 60/33.7 1200/900 102.81 17.0 116.0 34.25 2.900 3,2007511 75 1200 102.81 16.0 116.0 34.25 2.900 3,1507511 DS 75/42.2 1200/900 104.56 17.0 116.0 34.25 2.900 3,250900 RPM Stainless Steel FloatsModel HP RPM A B C D Shaft WGHT10011 100 900 120.0 17.0 131.0 45.0 3.930 4,70010011 DS 100/69.4 900/750 124.00 19.0 131.0 45.0 3.930 4.95012511 125 900 126.00 19.0 131.0 45.0 3.930 5,27015011 150 900 128.00 19.0 131.0 45.0 3.930 5,4009Dimensions of Fiberglass Float Series - SS and CS1800 RPM Fiberglass FloatsModel HP RPM A B C D Shaft WGHT211 2 1800 40.00 7.0 47.0 15.0 1.375 350311 3 1800 44.13 11.0 64.5 15.0 1.375 550511 5 1800 44.13 11.0 64.5 15.0 1.375 550511DS 5/2.2 1800/1200 44.13 11.0 64.5 15.0 1.375 550711 7.5 1800 46.63 11.0 64.5 15.0 1.750 650711 DS 7.5/3.3 1800/1200 49.13 11.0 64.5 15.0 1.750 6501011 10 1800 51.69 12.0 71.5 19.0 1.750 9251011 DS 10/4.4 1800/1200 55.63 12.0 71.5 19.0 1.750 9251511 15 1800 55.63 12.0 71.5 19.0 1.750 9501511 DS 15/6.6 1800/1200 59.56 12.0 71.5 19.0 1.750 9501200 RPM Fiberglass FloatsModel HP RPM A B C D Shaft WGHT2011 20 1200 67.94 14.0 84.5 23.00 2.125 1,1502011 DS 20/11.2 1200/900 68.82 14.0 84.5 23.00 2.125 1,1502511 25 1200 68.82 14.0 84.5 23.00 2.125 1,2002511 DS 25/14.0 1200/900 69.70 14.0 84.5 23.00 2.125 1,2003011 30 1200 86.94 16.5 96.0 27.75 2.245 1,9003011 DS 30/16.8 1200/900 90.31 16.5 96.0 27.75 2.245 1,9004011 40 1200 90.31 16.5 96.0 27.75 2.900 1.9504011 DS 40/22.5 1200/900 93.70 16.5 96.0 27.75 2.900 1.9505011-1 50 1200 90.31 16.5 96.0 27.75 2.900 2,0005011-1DS 50/28.1 1200/900 93.70 16.5 96.0 27.75 2.900 2,0505011 50 1200 101.06 16.5 116.0 34.25 2.900 2,4005011 DS 50/28.1 1200/900 102.81 16.5 116.0 34.25 2.900 2,5006011 60 1200 102.81 16.5 116.0 34.25 2.900 2,8006011 DS 60/33.7 1200/900 102.81 16.5 116.0 34.25 2.900 2,9007511 75 1200 102.81 16.5 116.0 34.25 2.900 2,8507511 DS 75/42.2 1200/900 104.56 16.5 116.0 34.25 2.900 2,950900 RPM Fiberglass FloatsModel HP RPM A B C D Shaft WGHT10011 100 900 120.00 20.0 116.0 45.0 3.930 4,45010011 DS 100/69.4 900/750 124.00 23.0 116.0 45.0 3.930 4.650Notes? Highlighted areas indicate dual-speed aerators? SHAFT – Shaft Diameter? WGHT – Approximate shipping weight? All dimensions are in inches? Weight is in pounds10Aqua-Lator® ES Series AeratorsWhen it comes to investments, you look for the most efficientuse of your money. When you invest in the Aqua-Lator® ES“Energy Saver” aerator, you get it. Even though the Aqua-Lator®ES aerators cost more, the initial purchase price premium can bejustified based on energy cost savings. With the cost ofelectricity escalating, your investment can be recovered in asurprisingly short period, and continues to pay a returnthereafter. Once the initial price premium has been recovered,all savings translate directly into profit.The basis for this justification depends on the user’s situation.Factors such as running hours, cost of electricity, paybackperiod, tax rate, cost of capital, and service life, affect thepremium price justification, and vary with the individual user. Avery simple energy savings calculation can be made to estimatethe yearly savings with an Aqua-Lator® ES aerator.Simple Energy Savings CalculationThis simple payback method gives the number of years requiredto recover the differential investment for higher efficiencymotors. To determine the payback period, the premium for thehigher efficiency aerator is divided by the annual savings. First theannual savings must be determined using the formula below.In the example below, the yearly savings is $1,470.58. In otherwords, if you wanted a two-year payback on your investment,you could afford to spend $2,941.16 more for theAqua-Lator® ES series than the standard efficient aerator.Remember, once the initial price premium has been recovered,all savings translate directly into profit.For a more detailed evaluation of energy cost savings, includingpresent value analysis, please contact one of our salesengineers.Energy Savings FormulaYearly Savings =HP x .746 x L x C x N x [ 1 - 1 ]STD ESWhere: HP = HorsepowerL = Percentage of fullload operationC = energy cost in dollarsper kilowatt hourN = Annual hours ofoperationSTD = Standard motorefficiencyES = Aqua-Lator® ESefficiencyEnergy Savings ExampleAssume a 75 HP Aqua-Lator®aerator is going to operate at fullload, 7 days a week for 48 weeks, ora total of 8064 hours per year. Also,assume the cost of electricity is$.086 per kilowatt hour. Thesavings, using the Aqua-Lator® ESaerator with a motor efficiency of95%, compared to the industrystandard of 91.7%, is calculated asfollows:Yearly Savings =HP x .746 x L x C x N x [ 1 - 1 ]STD ES75 x .746 x 100% x $.086 x 8064 x [ 1 - 1 ].917 .950= $1,470.5811HP AMPS 12-4 10-4 8-4 6-4 4-4 2-4 0-4 00-4 000-42 6.8 520 910 14003 9.2 290 630 990 15405 15 200 380 600 930 14207.5 22 255 405 630 965 152510 28 320 500 780 124015 40 345 525 835 126520 52 405 645 975 119525 64 520 785 97030 76 445 655 805 98040 100 500 610 74050 122 520 620AWG Cab le S i zeHP AMPS 12-4 10-4 8-4 6-4 4-4 2-4 0-4 00-4 000-42 3.4 20903 4.6 16005 7.5 975 15407.5 11 660 1040 163010 14 510 810 1270 199015 20 570 895 1395 211020 26 680 1060 163025 32 550 870 1320 224030 38 720 1095 1865 262040 50 820 1395 200050 62 1155 1620 199060 76 960 1350 1655 199575 90 1100 1350 1620100 127 790 985 1260AWG Cab le S i zeHP AMPS 12-4 10-4 8-4 6-4 4-4 2-4 0-4 00-4 000-42 2.7 27603 4 23255 6 1530 24307.5 9 1025 1625 254510 11 830 1320 207015 16 965 1425 222520 21 690 1080 169025 26 870 1360 207030 30 745 1155 174540 40 875 1325 210050 49 715 1085 172560 61 895 142575 71 810 1260100 101 1230 1540 1970AWG Cab le S i ze230 VOLTS460 VOLTS575 VOLTSElectrical Power Cable SelectionNotes? AMPS – Full load AMPS? Maximum cable length in feet, based on 5% voltage drop and a .90 power factor12Mooring CableMooring cables are designated by thenumber of strands in the cable and thenumber of wires in each strand. In thecable that we specify, 7x19 means 7strands of 19 wires each. All mooringcable is manufactured of 7x19 strand,304 stainless steel.HP DIA WGHT STGH2-30 3/16 65 3,70040-75 1/4 110 6,400100 3/8 243 12,000HP – Aerator horsepowerDIA – Cable diameter in inchesWGHT – Approximate weight per 100feet in pounds.STGH – Nominal breaking strength inpounds.ThimbleHeavy-duty thimbles, manufacturedof 316 stainless steel, are available in3/16”, 1/4”, and 3/8” for use with thecorresponding diameter mooringcable.Wire Rope ClipHeavy-duty U-bolt clips, manufacturedof 316 stainless steel, are available in3/16”, 1/4”, and 3/8” for use with thecorresponding diameter mooringcable.ShackleHeavy-duty shackles, manufacturedof 304 stainless steel, are availablein 3/16”, 1/4”, and 3/8” for use withthe corresponding diameter mooringcable. The shackle is attached to thethimble. This allows for easydetachment of the aerator fromthe mooring line.Extension SpringIn applications where there are smallamounts of variation in the water level,stainless steel extension springs areused. The springs are installed at themooring points to allow approximately10 inches of expansion for each spring3/16” - 1/4” Mooring HardwareArrangementFor up to 30 HP, mooring consists of 1thimble and 1 clip on each end of themooring line. Above 30 HP, use 1 thimbleand 2 clips on each end.3/8” and Larger Mooring HardwareArrangementMooring consists of 1 thimble and 2wire rope clips on each end of themooring line. Install the U-bolt sectionof the wire rope clips on the “dead” orshort end of the cable, and the saddleon the “live” or long end of the cable.Apply the second clip as near thethimble as possible.Snap HookHeavy-duty snap hooks, manufacturedof 304 stainless steel, are available in3/16”, 1/4”, and 3/8” for use with thecorresponding diameter mooringcable. The snap hook is attached to thethimble. This allows for simpledetachment of the aerator from themooring line for scheduledmaintenance or other services.Mooring RingMooring rings, manufactured of 304stainless steel, are used to connectaerators together when the aeratorsare not moored to shore, posts, orconcrete blocks.Mooring AccessoriesLow Trajectory DiffuserThe low trajectory diffuser (LTD) ring isbolted to the top of the discharge coneto lower the aerator spray pattern. TheLTD assembly reduces windblownspray and misting and reduces icing incolder climates.Mist Eliminator™ Spray Containment DomeUsed to control and contain the mist and spray generated by the pumping action ofthe aerator. The spray dome controls the water discharge and directs the waterback into the bulk liquid, minimizing mist and retaining heat.Anti-Erosion AssemblyThe anti-erosion assembly consists of astandard intake cone with an integralplate, attached to the bottom. Theanti-erosion assembly causes water tobe drawn from the sides, rather thanfrom directly below the aerator, thushelping to prevent bottom erosion thatcan sometimes occur in earthenbasins. These assemblies are also usedto prevent disturbance of the sludgeblanket in facultative lagoon systems.Typical MooringArrangementsShore MooringMost common mooring arrangement.Shore end connection is made toeyebolt or embedded anchor.Restrained MooringFor applications with large variations inwater level. The restrained mooringframe fits around the mooring postsand allows the aerator to slide up anddown the posts with changes inwater level.13Aerator AccessoriesSide ElevationAerator or MixerOperating Fluid levelBottom of TankArc of TravelPivotal MooringArm Assy.(4) 1/2’ Anchorsby OthersPivotal Mooring ArmPivotal mooring arms allow the aeratoror mixer to move vertically with anychange in the water level, and allowsthe aerators to be pulled to the side ofthe tank for maintenance .14Power CableElectrical power cable consists offlexible stranded copper conductorswith light weight, high dielectricstrength insulation. Rated at 105degrees centigrade, it has superbflexibility, superior abrasionresistance, ozone, chemical, oil andwater-resistance. The power cable ismanufactured with non-wickingpolypropylene fillers and is stamped“water-resistant.”Compression FittingCompression fittings are used to sealthe power cable into the motorjunction box. They are available insizes to match the specific cable used.Quick Disconnect PlugFully insulated and abuse-resistant,heavy-duty housings. A series ofneoprene glands are supplied with theplugs and connectors to ensure areliable seal at the point of cable entry.Gasketed locking rings and coversprevent contamination by dust,water, etc.Quick Disconnect ReceptacleFully insulated and abuse-resistant,heavy-duty nylon housings. All metalparts are made of corrosion-resistantmaterials, color coded by voltage, inaccordance with I.E.C. standards. Thismakes identification of matchingdevices quick and easy. The self-closingcover is keyed to normally seat in aposition that provides a weatherproofseal, and simply locking the covermakes it watertight.Electrical Cable TieThese cable ties are manufactured ofheavy-duty weather-resistant nylon.They are available in a variety of sizesto accommodate the cable sizes usedon the aerator. The minimum looptensile strength is 120 pounds inaccordance with paragraph 3.5.1 ofMIL-S-23190E.Strain Relief GripStrain relief grips are designed toprevent tension from beingtransmitted to joints and terminals onthe power cable, which could result inpull-out. In most applications, a strainrelief is stronger than the cable itselfand gives much greater security thanthe use of a compression fittingalone. Strain relief grips are availablein sizes to match the specific cableused.Power Cable Support BracketThese cable support brackets areattached to the mooring ear onfiberglass floats. For stainless steelfloats, a bracket is welded to the float.The power cable is clamped to thesebrackets to protect the cable fromabrasion.Power Cable FloatThese power cable floats will hold thepower cable at the water surface toavoid the possibility of cable draggingon the bottom and getting injested intothe aerator.Electrical Accessories15Control PanelControl panels, with NEMA® compliantenclosures are available for manual,semi-automatic, or completely automaticoperation. A standard control panelconsists of across-the-line starters,pushbutton start-stop switches, and amain disconnect safety lever switch.Other special enclosures which requiresuch items as timers, pilot lights, alarmhorns, or elapsed time meters, areavailable upon request.Motor OptionsIn addition to all the standard features onthe Aqua-Lator® aerator motors, thefollowing additional features are available:? Premium efficient? Space Heaters? Dual speed? Thermal overload protection? Explosion-proofSpecial NotesSpecifications And DimensionsThe specifications and dimensions in this catalogare intended to be representative and illustrative,of the size, function and appearance of ourproducts. The descriptions, data, and charts arenot intended to be engineering specificationsuniversally applicable to specific designproblems. Since particular designs, installations,and plants call for specific requirements, werecommend that customers consult Siemens forexact data and recommendations that may berequired for special applications.The Best ChoiceSince establishing a leadership position in thehigh speed floating mechanical aerator market in1963, the Aqua-Lator® aerator has deliveredexcellent value to thousands of wastewatertreatment operators. Going forward, theAqua-Lator® aerator will continue to deliverreliable performance, simplicity of operation andease of maintenance. Its exceptional versatilityand usage in a wide range of wastewaterapplications deserves consideration from everywastewater professional. Aqua-Lator® Aerators,the best choice.The same commitments toreliable performance, productquality, and customerresponsiveness support allAqua-Lator® products.?Aqua-Lator™ Direct DriveMixers?Aqua-Lator™ Floating SprayCoolers?E-Ball® Floating Cover SystemsAqua-Lator® Surface Aerator installed with E-Ball® Floating Cover SystemEMA is a trademark of the National Electrical ManufacturersAssociationDelrin is a trademark of E. I. Du Pont de Nemours andCompanyAqua-Lator is a trademark of Siemens, its subsidiaries oraffiliates.The information provided in this brochure containsmerely general descriptions or characteristics ofperformance which in actual case of use do not alwaysapply as described or which may change as a result offurther development of the products. An obligation toprovide the respective characteristics shall only exist ifexpressly agreed in the terms of contract.Tel: 815.623.2111Fax: 815.623.6416E-mail: aeratorinfo.water@siemens.comAP-GENdr-BR-0609Subject to change without prior notice.©2009 Siemens Water Technologies Corp.www.siemens.com/water