Parker SM-751-12FO High Pressure Hydraulic Quick Coupler

The SM-751-12FO is a high-pressure hydraulic quick coupling coupler designed for general purpose fluid transfer applications. It belongs to the Parker SM Series, featuring a double shut-off valving system with poppet valves and a manual connection sleeve. Constructed from zinc-plated carbon steel with nitrile (NBR) seals, the coupler offers a working pressure rating of 4500 PSI (310 bar) and operates within a temperature range of -40°C to +110°C. The port configuration is a 3/4 inch body size with Female SAE O-Ring Boss (ORB) thread (1-1/16-12 UN-2B). This component serves as a direct interchange for Parker part numbers SM-751-12FO, SM75112FO, SM-752-12FO, and SM75212FO. It is utilized across a broad spectrum of hydraulic equipment where frequent connection and disconnection of fluid lines are required without significant fluid loss.