Fault: leakage at both ends of the valve Denture Box Serries,Denture Storage,Denture Storage Case,Denture Cases Boxes Ningbo Carest Medical Instrument Co.,ltd , https://www.carestmed.com
Some repair tips for butterfly valves
1. The gaskets on both sides are invalid.
2. The pipe flange pressing force is uneven or not pressed.
Elimination method:
1. Replace the gasket.
2. Press the flange bolts (even force).
Fault: sealing surface leakage
1. The butterfly plate and seal ring of the butterfly valve have debris.
2. The butterfly plate and the sealing position of the butterfly valve are not consistent.
3. The flanges are fitted with flange bolts with or without compression.
4. The pressure test direction is not as required.
Elimination method:
1. Eliminate impurities and clean the inner cavity of the valve.
2. Adjust the limit screw of the actuator such as the worm gear or electric actuator to achieve the correct valve closing position.
3, check the fitting flange plane and bolt pressing force, should be evenly pressed.
4. Spin in the direction of the arrow.
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