Best Seller | PARKER 637B-5-1/4-2 Pressure Control Valve,1/4 NPT,360 PSI Pressure Control Valve, Pressure - Maximum 450 psi, Flow Rate - Maximum 4 gpm, Body Material Brass, Pressure - Minimum 235 psi, Port Connection Type NPT, Port Connections Inlet, Outlet, Pressure Setting - Maximum 360 psi, Check Valve Cracking Pressure... ... more PARKER 637B-5-1/4-2 Pressure Control Valve,1/4 NPT,360 PSI Pressure Control Valve, Pressure - Maximum 450 psi, Flow Rate - Maximum 4 gpm, Body Material Brass, Pressure - Minimum 235 psi, Port Connection Type NPT, Port Connections Inlet, Outlet, Pressure Setting - Maximum 360 psi, Check Valve Cracking Pressure... | | $454.99 go to store |