Hydraulic Check Valve, Pressure – Maximum 3,000 psi, Body Material Steel, Valve Type Check, Port-to-Port Length 5.94 in, Control Direction One-Way, Mounting Screw-In, Reverse Free Flow Reverse Free Flow, Flow Rate – Maximum 170 gpm, Inlet Connection Type NPT, Inlet Connection Gender Female, Outlet Connection Gender Female, Operating Temperature – Maximum 250 Degrees F, Operating Temperature – Minimum -40 Degrees F, Outlet Connection Type NPT, Includes Seals Seals Included