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Diaphragm repair regulations for ruptured valves or expansion joints

1. The emergency repair work shall be directed by the relevant department. The repair team and the valve team shall be responsible for repairs and other departments shall coordinate with each other.
2. Determine the type and specification of the valve or expansion joint, prepare the valve or expansion joint to be replaced, steel pipe, bolt, gasket, butter, fire extinguisher, and necessary tools.
3. The team will cooperate to arrange the crane to go to the scene of the accident in a timely manner. To handle the accident, it is necessary to operate smoothly and avoid sparks.
4. Find out the cause of leaks and leaks and determine the repair plan.
5, close the relevant valve, to carry out the buck.
6. Remove the bad valves or expansion joints, install the prepared valves or expansion joints, use explosion-proof tools during operation, and have special personnel to monitor the operation site.
7, after the restoration of gas supply to each interface with soapy water for leak detection. After confirming that there is no leakage, cover the well.
8. After the project is repaired and repaired, it is necessary to make a repair record. According to the actual situation, it shall be reported to the relevant department for record.

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