Catalogue 5 - STAUFF Quick Release Couplings

154 www.stauff.com/5/en/#154 HH Catalogue 5 § Edition 11/2021 STAUFF Screw-to-Connect Couplings Series HH § Carbon Steel Series BG DN DN Q max Working Pressure Bursting Pressure Spillage Zoll metric Connected Female Body Male Tip Inch ISO 4397 l/min US GPM bar PSI bar PSI bar PSI bar PSI ml fl oz HH-10 2 3/8" 10 18 4.76 650 9427 3000 43511 3000 43511 3000 43511 1,9 .0642 HH-12 3 1/2" 12,5 23 6.08 600 8702 2200 31908 2700 39160 2500 36260 2,7 .0913 HH-19 4 3/4" 19 (20) 45 11.89 500 7252 2100 30458 2600 37710 2400 34809 9,3 .3145 HH-25 6 1" 25 106 28.00 460 6672 2000 29008 2600 37710 2300 33359 16 .5410 HH-31 8 1 1/4'' 31 189 49.93 360 5221 1500 21756 1500 21756 1500 21756 30 10.144 HH-38 10 1 1/2'' 38 300 79.25 360 5221 54 18.260 HH-51 12 2" 51 757 199.98 210 3046 120 40.577 Material Carbon Steel Surface Finishing Zinc-Nickel Standard Seal Material(s) NBR (Buna-N®) 2 Working Temperature -25° C ... +100° C / -13° F ... +212° F Valve Design Poppet Valve Connection Screw Disconnection Screw Connect Under Pressure Male Tip or Female Body allowed Application Industrial Hydraulic, Rescue and Tensioning Hydraulics ISO Interchange - The indicated pressure ratings only apply to the coupling itself and depend on the connection type. 2 Alternative seal materials are available on request. Technical Data Flow Characteristics Please note: Unless otherwise stated, all flow characteristics have been determined with hydraulic oil with a kinematic viscosity of 28,8 - 35,2 mm 2 /s (28,8 - 35,2 cSt) and are only valid for components with non-reducing connections. QRC-HH-10 QRC-HH-12 QRC-HH-19 QRC-HH-25 1 10 100 1000 0,1 1 10 Q [l/min] Δ p [bar] Q [US GPM/min] 264,17 26,42 2,64 .26 1.45 14.50 145.04

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