ball valve diaphragm

Trunnion ball valve is a non-threaded ball type design. It has a supportable ball cage valve, and it has a supportable valve that allows rotation on its shaft. The steel body with external thread or internal thread is composed of a seal at the other end. The utility model adopts an ear type shaft ring without installing a guide rod and a valve seat, which ensures the small volume, light weight and convenient installation of the valve. Trunnion type is applicable to all kinds of liquids or liquids with almost no ball.