Pneumatic And Hydraulic Equipment Page 770

Pilot Operated Check Valve (Blocking Fitting) - 12-4GA Inch O.D. Tube x NPTF thread Pilot Operated Check Valve - 12-4GA-MALE X FEMALE NPTF Fluid: Compressed air, nitrogen, inert and non-combustible gases compatible with materials of construction. Operating Pressure: 15 to 150 psi Operating Temperature 0 to 175F Inlet Port: 1/4", 3/8", 1/2" O.D. tube Push-in Fittings 1/8, 1/4, 3/8, 1/2 NPTF Threaded Ports Outlet Port: 1/8, 1/4, 3/8, 1/2 NPTF Thread Signal Port: 10-32 UNF on NPT threaded models Tube Sizes 1/4", 3/8", 1/2" O/D Tubing Types: Nylon 11 or 12, polyurethane (95 durometer or above), and LDPE (Low Density Polyethylene) Materials Nickel plated brass body Nickel plated brass collet Plastic sealing washer (ISO G) Nitrile and polyurethane elastomeric parts Zinc plated brass banjo bolts Technical Data A B Product Body thread E number Price port NPTF C D Hex I J 12-4GA-1818 $79.88 1/8 NPTF 1/8 0.87 1.61 0.51 0.78 10-32" UNF 12-4GA-2828 $87.00 1/4 NPTF 1/4 1.14 1.89 0.67 1.02 10-32" UNF 12-4GA-3838 $77.91 3/8 NPTF 3/8 1.20 2.17 0.87 1.14 10-32" UNF 12-4GA-4848 $186.75 1/2 NPTF 1/2 1.54 2.58 1.06 1.42 10-32" UNF 1) Inlet Port 2) Outlet Port 12) Signal Port E A J I D C 12 1 2 B Port 2 Pilot Port 1 Compact size Easy tube insertion for rapid assembly of pneumatic circuits Positive tube retention Safer pneumatic systems Push-in and threaded ports PILOT OPERATED CHECK VALVE 1) Inlet Port 2) Outlet Port 12) Signal Port E A J I D C 12 1 2 B A B Product Body thread E number Price port NPTF C D Hex I J 12-4GA-0418 $105.75 1/4 PIF 1/8 0.91 1.61 0.51 0.78 10-32" UNF 12-4GA-0428 $93.45 1/4 PIF 1/4 0.99 1.89 0.67 1.02 10-32" UNF 12-4GA-0638 $79.49 3/8 PIF 3/8 1.29 2.16 0.87 1.14 10-32" UNF 12-4GA-0748 $195.00 1/2 PIF 1/2 1.56 2.58 1.06 1.42 10-32" UNF Norgren pneumatics (314) 427-0600 800-444-0522 (FAX) 314-427-3502 www. j hf.com JHF Catalog [ Volume 7 ] 770 Prices Subject to Change Without Notice John Henry Foster pneumatic and hydraulic equipment

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