OMB® 840-8-THD Forged Carbon Steel Regular Port Piston Check Valve, Threaded, 1975 psi, 100 deg F

Check valves are unidirectional valves which automatically open with forward flow and close against reverse flow. They are supplied to meet a wide variety of applications with the closing element in the piston, ball or swing type. Piston check valves are normally supplied by OMB with the addition of a spring which allows both the vertical and horizontal installation.