A common fault type 2 nuclear power pneumatic valves

system running in pneumatic valves in nuclear power plants, the most common type of fault has the following four types: (1) pneumatic valve stem leakage (2) pneumatic valve seat leakage (3) actuator selection is too large and close the high torque caused by the leakage outside the sealing surface damage (4)
this site keywords: pneumatic ball valve pneumatic ball valve pneumatic pneumatic valve pneumatic pneumatic valve