62 www.stauff.com/5/en/#62 IA Catalogue 5 § Edition 03/2024 STAUFF Push-to-Connect Couplings Series IA § 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 IA-06 1 1/4" 6,3 4,5 1.19 315 4569 1600 23206 1600 23206 1600 23206 0,5 .0169 IA-10 2 3/8" 10 34,5 9.11 315 4569 1500 21756 1500 21756 1500 21756 1,9 .0642 IA-12 3 1/2" 12,5 67,5 17.83 250 3626 1520 22046 1250 18130 1000 14504 2,7 .0913 IA-19 4 3/4" 19 (20) 159 42.00 250 3626 1000 14504 1000 14504 1000 14504 9,3 .3145 IA-25 6 1" 25 283,5 74.89 200 2901 1000 14504 1000 14504 1000 14504 16 .5410 IA-31 7 1 1/4'' 31 432 114.12 200 2901 800 11603 800 11603 800 11603 30 10.144 IA-38 8 1 1/2'' 38 758 200.24 160 2321 640 9282 640 9282 640 9282 54 18.260 IA-51 9 2" 51 1135 299.84 150 2176 252 3655 252 3655 252 3655 120 40.577 Technical Data 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 Push and actuate Push Sleeve Disconnection Actuate Push Sleeve Connect Under Pressure not allowed Application Agricultural and Forestry Machinery ISO Interchange ISO 7241-1, Series A The indicated pressure ratings only apply to the coupling itself and depend on the connection type. 2Alternative seal materials are available on request. 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. Flow Characteristics QRC-IA-06 QRC-IA-10 QRC-IA-12 QRC-IA-19 QRC-IA-25 QRC-IA-31 QRC-IA-38 QRC-IA-51 0,1 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
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