API 7K F Series And 3NB Drilling Pump Parts Seat And Valve Machine In Stock

Valve assembly consists of valve body assembly and valve seat. 

The valve body and valve seat of valve assembly are made from high-quality knot steel treated with 20CrMnTi carburizing and quenching processes.

The surface hardness is greater than HRC 60.

The conical surface is ground finished to ensure a high requirement for roughness and geometric dimension.

The rubber sheet is made of polyurethane material which improves the service life of valve assembly, the operational use time is more than 300 hours.

Full Open Valve and Seat

The valve comes with full open seat features four guide wings. They are either inertia welded to the valve body or uniformly forged with valve body. The urethane insert can be easily snapped on.

3 Web / 4 Web design Valve and Seat

The 3 web / 4 web seat comes with stem guided valve. The urethane insert is tightened by steel plate and nut. It can be easily replaced with minimum down time. They offer long lasting service life under harsh service conditions.

 Types