Material: The valve assembly consists of the valve and valve seat. Valve and valve seat are made of one-piece premium forged alloy steel, and follow the manufacturing process specification directly to assure the good finish, accurate size.

Production Process: With the advanced heat treatment it features high ductility, high strength and the surface hardness is up to HRC60.

Application: Valve assembly is the key to the mud pump hydraulic components, high working frequency, large impact, its quality directly affects the service life of hydraulic cylinder