Catalogue 5 - STAUFF Quick Release Couplings

18 www.stauff.com/5/en/#18 FF STAUFF Push-to-Connect Couplings Catalogue 5 § Edition 03/2024 Series FF § Carbon Steel 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. 2 Alternative seal materials are available on request. Technical Data Material Carbon Steel Surface Finishing Zinc-Nickel, Zinc-Plating and Thick-Film-Passivation (Chrome III) only FH/FU 51 Standard Seal Material(s) NBR (Buna-N®), PTFE, PU 2 Working Temperature -25° C ... +100° C / -13° F ... +212° F Valve Design Flat Face Connection Push Disconnection Actuate Push Sleeve Connect Under Pressure not allowed, (Male Tip Series FU up to the max. Working Pressure allowed) Application Construction Machinery, Industrial Hydraulic ISO Interchange ISO 16028 Flow Characteristics 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 FF-06 1 1/4" 6,3 24 6,34 400 5802 1400 20305 1220 17694 2000 29008 0,01 .0003 FF-10 2 3/8" 10 46 12,15 350 5076 1100 15954 1100 15954 1500 21756 0,015 .0005 FF-12 3 1/2" 12,5 90 23,78 350 5076 1400 20305 1050 15229 1500 21756 0,02 .0007 FF-16 4A 5/8" 16 148 39,10 350 5076 1600 23206 1200 17405 1200 17405 0,02 .0007 FF-19 4 3/4" 19 212 56,00 350 5076 1200 17405 1100 15954 1300 18855 0,032 .0011 FF-25 5 1" 25 378 99,86 260 3771 1200 17405 820 11893 1040 15084 0,03 .0010 FF-38 6 1 1/2" 38 684 180,69 300 4351 1100 15954 1150 16679 150 2176 0,155 .0052 FH-51 7 2" 51 1000 264,17 150 2176 650 9427 650 9427 700 10153 0,1 .0034 The indicated pressure ratings only apply to the coupling itself and depend on the connection type. Q [US GPM/min] Δp [PSI] 264,17 26,42 2,64 .26 1.45 14.50 145.04 QRC-FH-51 QRC-FF-38 FF ‐ 06 FF ‐ 10 FF ‐ 12 FF ‐ 16 FF ‐ 19 FF ‐ 25 FF ‐ 38 FH/FU ‐ 51 1 10 100 1000 0,1 1 10 Q [l/min] Δ p [bar]