This Enerpac CR-400 fitting is the socket half of a quick-disconnect hydraulic coupler for shut-off when disconnected from the coupler plug. It is made of steel for strength and durability. It has a 3/8" male National Pipe Taper (NPT) threaded connection on one end for connecting to a female hose fitting and a coupler connection on the other end. The maximum working pressure is 10,000 pounds per square inch (psi). This socket is compatible with the Enerpac high-flow plug (CH-604) and is suitable for hydraulic applications including cylinders, tools, and pumps.

Hose fittings connect, control, change the direction of, and terminate the flow in piping and hose systems. They are made of brass, stainless steel, galvanized steel, and other materials that resist corrosion, pressure, and wear. Hose fittings have various types of connections, including threaded, barbed, push-to-connect, dry disconnect, and others including those based on internationally-accepted specifications. Hose fittings are used in systems such as air compressors, automatic manufacturing operations, aircraft controls, and tire installation in industries including agriculture, mining, road construction, firefighting, and aviation.

Enerpac manufactures high-pressure tools and equipment for industrial applications. The company, founded in 1910, is headquartered in Menomonee Falls, WI.