Pneumatic valve is the possibility of failure and the solution

Pneumatic valve is the possibility of failure and the solution. The cause of the problem: 1, the sealing surface leakage, the valve's sealing ring with sundry. 2, sealed off valve position match is not straight. 3, exports are equipped with flange bolt stress or pressure. 4, direction of pressure testing is not required. Solution: 1, clean up the impurity, the body clean. 2, adjust the spacing of worm gear actuators such as screws with the valve closed position is correct. 3, check with telescopic flange plane and bolt clamping force, should be uniform pressure. 4, are spinning in the direction shown by the arrow. http://www。 dazkfy。 com