How to adjust the pneumatic soft seal wafer butterfly valve? Fixed pneumatic ball valve: Q347F, Q647F, Q947F, Q347H, Q647H, Q947H, Q347W, Q647W, Q947W;
3、 Generally, the soft seal ball valve uses PTFE as the sealing material, and the sealing surface of the hard seal ball valve is made of metal surfacing. If it is necessary to clean the pipe ball valve, be careful not to damage the sealing ring and leak during disassembly.