Pneumatic valve adjustment the possibility of failure and eliminating method

, sealing surface leakage, butterfly butterfly plate of pneumatic valve, sealing ring clamp is sundry.
pneumatic valve, butterfly butterfly plate, sealed closed position match is not straight.
and outlet is equipped with flange bolt stress or pressure.
not according to requirements, pressure direction. 。
elimination method, eliminate impurities, pneumatic valve chamber cleaning.
and adjust the worm gear or electric actuator actuator limit screw. With pneumatic valve closed position is correct.
, equipped with flange plane and bolt clamping force, should be uniform compression,
,
are spinning in the direction shown by the arrow of failure: two pneumatic valve leakage, on both sides of the seal gasket failure, uneven, tube flange clamp force or pressure.
eliminate methods: and replace the sealing gasket. , compact flange bolts ( Firstly.