CNG compressor
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What is the reason why the inlet pressure keeps rising when the compressor is on standby?
In the standby state, the intake air pressure continues to rise and has exceeded the upper line. It rises slowly, about 20 minutes.
The outlet valve is not tightly closed, the one-way valve does not work well, and the inlet valve is not closed tightly, causing pressure to flow back.
1. Internal leakage in the inlet valve 2. Internal leakage in the recovery system valve