Pressure Control Valve, Pressure – Maximum 650 psi, Flow Rate – Maximum 10 gpm, Body Material Brass, Pressure – Minimum 430 psi, Port Connection Type NPT, Port Connections Inlet, Outlet, Pressure Setting – Maximum 550 psi, Check Valve Cracking Pressure 550 psi, Overall Width 1.75 in, Port Connection Size 1/2 in, Actuation Mechanism Pressure, Port Connection Dash Size -6, Operating Temperature – Maximum 250 Degrees F, Operating Temperature – Minimum -40 Degrees F, Overall Height 5.88 in