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What to Do When Your Accumulator Pressure Drops Unexpectedly

When your accumulator pressure drops unexpectedly, the following are some clear and point wise solutions and precautions:
Immediately check:
Stop the operation of the device or system to ensure safety.
Check the exterior of the accumulator and observe for obvious leaks, damage, or deformation.
Use testing tools to diagnose:
Measure the current pressure of the accumulator using a pressure gauge and compare it with the normal pressure range.
If necessary, use leak detection agents to determine if there are minor leaks.
Check and repair external leaks:
If external leaks are found, immediately repair or replace the leaking components, such as pipes, valves, joints, or seals.
Follow the manufacturer’s guidelines for component replacement and repair work.
Check internal components:
If no issues are found during external inspection, it may be necessary to inspect the internal components of the accumulator.
Pay special attention to inspecting the piston, seals, and diaphragm for damage or wear.
For nitrogen driven accumulators, if the detection pin is easily pressed down, it may indicate a loss of nitrogen and damage to the diaphragm.
Repair or replace damaged parts:
Replace damaged O-ring seals, intake valves, or other internal components.
When replacing parts, make sure to use replacement parts that are compatible with the original parts.
Follow the manufacturer’s guidelines for component replacement work.
Recharge:
After repairing leaks or replacing components, use appropriate tools and equipment to recharge the accumulator.
Charge to the normal operating pressure range of the accumulator.
Wait for a period of time (such as 5 minutes) to allow the internal gas temperature to stabilize before confirming the pressure value.
Testing and Verification:
After recharging, perform necessary tests, such as observing pressure changes for a long time or simulating system operating conditions.
Ensure that the accumulator can maintain pressure normally and meet the requirements of the system.
Preventive measures and records:
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.
Record the troubleshooting and repair process, including problem discovery, steps taken, replaced components, and test results.
Please note that the specific repair steps and precautions 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. In addition, if you are not familiar with repair work or unsure how to operate it, please seek professional assistance.

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