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Q8: Valve leakage

Q8: Valve leakage

2019-11-19

VALVES COMMON FAULTS AND TREATMENT


Reason:

1. The closure is not strict.

2. Bond surface damage.

3. The clearance between the valve core and stem is too large, causing the valve core to sag or poor contact.

4. Poor sealing materials or stiff valve core.


Processing:

1. Improve operation, restart or close.

2. The valve disintegrates and the sealing surface of the valve core and seat is re-ground.

3. Adjust the clearance between the valve core and stem or replace the valve dics.

4. The valve disintegrates to eliminate the stickiness.

5. Replace of stack the sealing rings.


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