九游会·(j9)官方网站-真人游戏第一品牌

 The ball and sealing ring of the one-piece ball valve adopt special processing technology and the latest sealing material, so that the surface roughness and roundness of the ball meet the standard requirements, thus improving the sealing performance, service life and the ability to withstand high temperature.Timely plate handle drives the valve stem to drive the ball to rotate, so that the medium smoothly through.