ZHEJIANG XINGWEI VALVE MANUFACTURING CO.LTD.

Threaded ball valveThreaded flange valve is threaded ball and belong to a type of valve , the difference between its closure parts of a sphere , the sphere rotates around the body centerline to achieve open and close a valve . Valve in the pipeline is mainly used for cutting, distribution and changing the direction of media flow . Two ball valve , three valve, is widely used in recent years, a new valve , A threaded ball valve has the following advantages : 1 . Fluid resistance , the resistance coefficient with the length of the pipe sections are equal.2 . Simple structure , small size and light weight.3 . Compact and reliable valve sealing surface material widely used plastic , sealing in the vacuum system has also been widely used.4 . Easy to operate, opening and closing rapidly , from fully open to fully closed as long rotation 90 °, to facilitate remote control .5 . Easy maintenance, simple ball valve , seals are generally active, are relatively easy to replace demolished .6 . In the