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What Are the Solutions if an Accumulator Cannot Hold Pressure?

When the accumulator is unable to maintain pressure, possible solutions include the following:
Check and repair external leaks:
Carefully inspect the exterior of the accumulator, find and repair any obvious leakage points, such as leaks in pipelines, valves, and joints.
Use leak detection agents to locate potential minor leaks.
Inspection and replacement of internal components:
If no issues are found during external inspection, further inspect the internal components of the accumulator, such as the piston, seals, and diaphragm.
For situations where the nitrogen diaphragm is damaged, if the detection pin is easily pressed down, it may indicate a loss of nitrogen, and the diaphragm is damaged and needs to be replaced.
For damaged O-ring seals, it is necessary to replace them and ensure that the inspection valve nut is tightened to prevent leakage.
If the intake valve is damaged, causing slow inflation or inability to inflate, the intake valve nut needs to be replaced.
Repair or replacement of accumulator:
If the accumulator operates in harsh environments, cracks may appear on the surface, leading to oil or gas leakage. Small cracks can be repaired with special glue, while large cracks require professional repair or replacement.
When it is determined that the internal components are damaged and cannot be repaired, consider replacing the entire accumulator.
Recharging and testing:
After repairing or replacing components, recharge the accumulator to its normal operating pressure range.
Conduct necessary tests, such as observing pressure changes for a long time or simulating system operating conditions, to ensure that the accumulator can maintain pressure normally.
Preventive measures:
Implement a regular maintenance plan, including checking for leaks, replacing worn parts, and cleaning the accumulator.
Train operators to increase their awareness of potential issues and preventive measures.
Use appropriate lubricants to reduce friction and wear, and extend the service life of the accumulator.
Recording and reporting:
Record in detail the troubleshooting and repair process, including problem discovery, steps taken, replaced components, and test results.
Report this information to management or relevant personnel for subsequent analysis and improvement.
Please note that the above solutions may vary depending on the type, manufacturer, and specific application of the accumulator. Before carrying out any maintenance work, please refer to the manufacturer’s manual and relevant safety guidelines of the accumulator.

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