Catalogue 5 - STAUFF Quick Release Couplings

182 www.stauff.com/5/en/#182 HV Catalogue 5 § Edition 03/2024 STAUFF Screw-to-Connect Couplings Series HV § 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 HV-19 4 3/4" 19 (20) 190 50.19 350 5076 1500 21756 750 10878 1400 20305 8 .2705 HV-25 6 1" 25 280 73.97 350 5076 1600 23206 900 13053 1500 21756 16 .5410 HV-31 8 1 1/4'' 31 480 126.80 350 5076 1300 18855 850 12328 1600 23206 31 10.482 HV-38 10 1 1/2'' 38 700 184.92 350 5076 1200 17405 600 8702 900 13053 64 21.641 HV-51 12 2" 51 1000 264.17 350 5076 1100 15954 500 7252 600 8702 141 47.678 Material Carbon Steel Surface Finishing Zinc-Plating and Thick-Film-Passivation (Chrome III) 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 and Female Body up to max. 100 bar / 1450 PSI allowed Application Industrial Hydraulic 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 QRC-HV-19 QRC-HV-25 QRC-HV-31 QRC-HV-38 QRC-HV-51 1 10 100 1000 0,1 1 10 Q [l/min] Δ p [bar] Q [US GPM/min] Δp [PSI] 264,17 26,42 2,64 .26 1.45 14.50 145.04 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. Male Tip Female Body