Valve leaking
07
2022.10
Valve leaks are: stem leakage; gland leakage; flange gasket leakage....
Valve opening and closing failure
The poor opening and closing of the valve manifests itself as the valve cannot be opened or closed, and the valve cannot operate normally. ...
Transmission failure
Transmission failure often manifests as a blocked valve stem, inflexible operation, or inoperable valve. ...
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