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High Flow Couplings HydraulicPSIDinDropPressureQuick Couplings ST Series Applications The Parker ST Series are non-valved couplings for applications where maximum flow is required.Their smooth, open bore offers the lowest pressure drop of any quick coupling design and is ideal for applications such as high-pressure water and steam washers, carpet cleaners and mold coolant lines and many other non-valved applications. Specifications Body Size (in.) 1/8 1/4 3/8 1/2 3/4 1 1 1/4 1 1/2 Rated Pressure (PSI) Brass Cplr/Npl 2500 5200 2700 2200 1700 1200 1700 1400 Brass Cplr/Steel Npl2600 5500 3500 2700 2700 2000� � SS Cplr/Npl 4200 6700 5500 3000 3000 1700 � � Rated Flow 3 6 12 12 28 50 76 100 Temperature Range (std seals) -40� to +250�F PressureDropinPSID Performance ST Series (1/8; 1/4; 3/8; 1/2") ST Series (3/ 1 11 4; ; /4") Test Fluid: Oil - 200 SUS Test Fluid: Oil - 200 SUS 30 30 10 10 9 9 8 8 20 20 3/4" 7 7 1/8" 3/8" 6 6 1" 1 1/4" 1/4" 1/2" 5 5 10 10 9 9 8 8 4 4 7 7 6 6 5 5 3 3 4 4 3 3 2 2 2 2 1 1 1 1 .1 .2 .4 .6 .8 1 2 4 6 8 10 20 40 10 20 30 40 50 60 70 80 100 130 Flow in USGPM Flow in USGPM BHydraulics Quick Coupling Division 8145 Lewis Road � Minneapolis, MN 55427 B-53 www.parker.com/quickcouplings
Goodyear Rubber Products