136 www.stauff.com/5/en/#136 PS Catalogue 5 § Edition 03/2024 STAUFF Screw-to-Connect Couplings Series PS § 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 PS-25 08 1" 25 600 (1000)* 158.50 380 5511 1520 22046 1520 22046 1520 22046 27 .9130 Material Carbon Steel Surface Finishing Zinc-Nickel Standard Seal Material(s) HNBR, FKM (Viton®), PTFE 2 Working Temperature -20° C ... +150° C / -4° F ... +302° F Valve Design Poppet Valve Connection Screw Disconnection Screw Connect Under Pressure not allowed Application Construction Machinery ISO Interchange - The indicated pressure ratings only apply to the coupling itself and depend on the connection type. * short term possible 2Alternative seal materials are available on request. Technical Data Flow Characteristics QRC-PS-31 1 10 100 1000 0,1 1 10 100 Q [l/min] Δp [bar] Q [US GPM/min] Δp [PSI] 264,17 26,42 2,64 .26 1.45 14.50 145.04 1450.38 Please note: Unless otherwise stated, all flow characteristics have been determined with hydraulic oil with a kinematic viscosity of 28,8 - 35,2 mm2 /s (28,8 - 35,2 cSt) and are only valid for components with non-reducing connections. short-term QRC-PS-25
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