General purpose is to improve the mechanical properties, heat treatment of steel for the stainless steel, in addition to...

V type ball valve is a kind of ball valve, it shut down a is half sphere has a V opening, v-shaped opening has a sharp...

Check Valve is also known as one-way Valve, back pressure Valve, reverse Check Valve and reverse flow Valve. It is...

A check valve is a valve used to prevent the flow of medium in a pipe or device. It starts with the kinetic energy of...

the line is ready before and after the ball valve. The front and rear lines shall be coaxial and two flange sealing...

Ball valve is not only simple structure, good sealing performance, and within a certain range of nominal pass after...