Select suitable ball valve and pneumatic butterfly valve
How to repair the failure of the pneumatic butterfly valve of the hook and ring ball valve? After confirming that the pneumatic butterfly valve of the hook and ring type ball valve has problems or fails, check whether the pneumatic butterfly valve of the hook and ring type ball valve has oil leakage or traces of obsolete oil leakage
The oil seal washer and seal washer are broken and damaged, and the nuts of the oil storage cylinder cover are loose
It may be that the oil seal and sealing washer are damaged and invalid. If the oil leakage still cannot be eliminated, pull out the hook ring ball valve pneumatic butterfly valve. If you feel stuck or the weight is different, further check whether the clearance between the piston and the cylinder barrel is too large, and whether the piston connecting rod of the hook ring ball valve pneumatic butterfly valve is bent, Whether there are scratches or pull marks on the piston connecting rod surface and cylinder barrel