Although the ball valve was invented in the 1950

Ball valve and butterfly valve is the biggest difference between the opening and closing piece is a piece of board, which is a ball valve, butterfly valve plate and the ball valve is rotated around it

In recent years, with the rapid development of the long pipeline, hard seal ball valve off the valve as an emergency one, the pace of development is very fast, mainly characterized by the development

A pioneering range of Pneumatic Actuated Gate Valves, with the sealing performance of a globevalve but the flow characteristics of full bore specification, has been launched by Bestobell. The new tyre

Ball points are: floating ball valve, fixed ball valve, orbit ball valve, V-ball valve, ball valve, stainless steel ball valve, forged steel ball valve, discharging valve, anti-sulfur ball, tee ball v