Top entry trunnion mounted ball valve is mainly composed of valve body, valve seat, ball, valve stem, packing box and operating mechanism and other components. Its core components are ball and valve seat. The ball is connected with the operating mechanism through the valve stem to realize 90-degree
Read MoreTop entry trunnion mounted ball valve is mainly composed of valve body, valve seat, ball, valve stem, packing box and operating mechanism and other components. Its core components are ball and valve seat. The ball is connected with the operating mechanism through the valve stem to realize 90-degree