Catalogue 5 - STAUFF Quick Release Couplings

142 www.stauff.com/5/en/#142 FT Catalogue 5 § Edition 11/2021 STAUFF Screw-to-Connect Couplings 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 FT-10 2 3/8" 10 80 21.13 550 7977 1400 20305 1100 15954 1400 20305 0,04 .0014 FT-12 3 1/2" 12,5 120 31.70 550 7977 1400 20305 1000 14504 1400 20305 0,025 .0008 FT-16 4A 5/8" 16 140 36.98 550 7977 1400 20305 1000 14504 1600 23206 FT-19 4 3/4" 19 180 47.55 500 7252 1400 20305 1050 15229 1400 20305 0,018 .0006 FT-25 5 1" 25 260 68.68 470 6817 1300 18855 1000 14504 1300 18855 0,06 .0020 FT-31 6 1 1/4" 31,5 600 158.50 400 5802 1100 15954 1100 15954 1100 15954 Series FT § Carbon Steel Material Carbon Steel Surface Finishing Zinc-Nickel Standard Seal Material(s) NBR (Buna-N®), PTFE 2 Working Temperature -25° C ... +100° C / -13° F ... +212° F Valve Design Flat Face Connection Screw Disconnection Screw Connect Under Pressure Male Tip up to the max. Working Pressure allowed Application Construction Machinery, 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-FT-10 QRC-FT-12 QRC-FT-19 QRC-FT-25 1 10 100 1000 0,1 1 10 Q [l/min] Δp [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.