Compliant Couplings HQ Series Brochure

www.holmburyUSA.com 1.866.465.62874INTRODUCTIONHQ Series Couplings are designed to be used in dirty environments and where oil loss or air inclusion cannot be tolerated on connection or disconnection.The flat face feature allows the operator to clean the coupling surfaces to prevent contamination from entering the system. Typical applications include skid steer attachments, excavator hammer circuits, hydraulic hand tools and breakers, mobile equipment, general industrial, mining and agricultural. Fully com-pliant with ISO 16028 for interchangeability, dimen-sions and performance.FEATURES• Swaged stem seal prevents washout.• Internal spring placement reduces turbulence, decreases pressure drop and improves flow.• Zinc Nickel finish is chrome VI free and corrosion resistant in excess of 280 hours during salt spray testing.• No locking nut or retaining clip that can break and cause system damage.CONSTRUCTIONHeat treated carbon steel body plated with zinc nickel. Seals are nitrile.SPECIFICATIONS• Operating temperature: -20°C (-4°F) to 100°C (212°F).• Connection with residual pressure difficult to impos-sible (see HCP or Screw to Connect Couplings).Pressure Drop Characteristics0.1 0.15 0.2 0.25 0.3 0.4 0.5 0.6 0.8 1 1.5 2 2.5 3 4 5 6 7 8 9 10250020001500100090080070060050040030025020015010090807060504030252015109876543660.4528.3396.3264.2237.8211.3184.9158.5132.0105.779.366.052.839.626.423.821.118.515.913.210.67.96.65.34.02.62.42.11.91.61.31.1.81.52.22.93.64.4 5.87.38.711.6 14.521.829.0 36.343.558.072.587.0101.5116.0130.5145Q L/minP BARPSIGPMSHELL TELLUS 27TEMPERATURE: 40°CVISCOSITY: 32 cStHQ25HQ19HQ16HQ12HQ10HQ06HQ SERIES ISO 16028 COMPLIANT COUPLINGSNote: Not all thread types and sizes are available as stock items. Minimum order quantity may be required. Consult factory for details. Sizes are listed for reference only and are subject to change.Order CodesThread FormN = NPTFS = O Ring BossG = BSPPThread GenderM = MaleBlank = FemaleHQ = HQ SeriesThread size based on dash system04 = 1/4” 10 = 5/8” 16 = 1”06 = 3/8” 12 = 3/4” 20 = 1-1/4”08 = 1/2” Body Size06 = 1/4” 16 = 5/8” 10 = 3/8” 19 = 3/4”12 = 1/2” 25 = 1”GenderM = Male NippleF = Female Coupler HQ 19 - M - 16 NFlat Face CouplingsHolmbury1.866.465.6287 www.holmburyUSA.com 5HQ SERIES, ISO 16028COMPLIANT COUPLINGSHFemale MaleHAcross flatsSee Page 50 for Dust Caps.Select Metric Male Threads are available from stock. Call for availability.Across flatsFemale Coupler DimensionsInches=mm/25.4 lbs=kg x 2.204622 Sleeve Body OAL Hex Coupled Dia. E Dia. I F C Length Weight mm Dimensions in millimeters kg inches Dimensions in inches lb 6 28 29 53 27 99 .20 .25 1.10 1.14 2.09 1.06 3.90 .45 10 32 32 69 30 113 .26 .375 1.26 1.26 2.72 1.18 4.45 .57 12 38 40 83.5 36 137 .46 .5 1.50 1.57 3.29 1.42 5.39 1.01 16 42 45 84 41 140 .62 .625 1.65 1.77 3.31 1.61 5.51 1.37 19 48 50 99 46 161.5 .98 .75 1.89 1.97 3.90 1.81 6.36 2.16 25 55 60 106 55 174 1.32 1 2.17 2.36 4.17 2.17 6.85 2.91Type and Body Size Size HQ06 HQ10 HQ12 HQ16 HQ19 HQ25Type and Body Size Size HQ06 HQ10 HQ12 HQ16 HQ19 HQ25Male Nipple DimensionsInches=mm/25.4 lbs=kg x 2.204622 OAL Diameter Hex Nose D H B K Weight mm Dimensions in millimeters kg inches Dimensions in inches lb 6 54 24 22 16.2 .08 .25 2.13 .94 .87 .64 .2 10 60 29 27 19.8 .12 .375 2.36 1.14 1.06 .78 .26 12 71.5 40 36 24.5 .26 .5 2.81 1.57 1.42 .96 .57 16 73 38.5 36 27 .30 .625 2.87 1.52 1.42 1.06 .66 19 84 50 46 30 .52 .75 3.31 1.97 1.81 1.18 1.15 25 90 60 55 36 .7 1 3.54 2.36 2.17 1.42 1.54 Standard Port Sizes HQ06 Max. Working PressureCoupledMax. Burst PressureCoupledBurst PressureMale Burst PressureFemale Pressure Ratings HQ10 HQ12 HQ16 HQ19 HQ25 bar PSI 400 375 350 350 350 315 5800 5437 5075 5075 5075 4568 1600 1550 1400 1500 1450 1000 23200 22475 20300 21750 21025 14500 1850 1200 1300 1200 1100 1000 26825 17400 18850 17400 15950 14500 1220 1050 1000 1050 1050 1000 17690 15225 14500 15225 15225 14500 Flat Face CouplingsHolmbury Body Size Port Sizes Available 06 1/4” and 3/8” (SAE Only) 10 3/8” and 1/2” 12 1/2”, 5/8” and 3/4” 16 3/4” 19 3/4” and 1” 25 1” and 1-1/4”