Gost Standard 3PC Cast Trunnion Ball Valves,WCB,DN500 PN16,RF Flange

Product Profile Gost Standard 3PC Cast Trunnion Ball Valves has three body structures, the middle flange is connected by bolts, and the sealing is made of reinforced ptfe embedded into the stainless steel ring. The spring is set at the back of the ring to ensure that the seat is close to the ball and […]