Discussion on the pressure drop issue of check valves
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A particularly high pressure drop was detected in the pipeline from the gas holder to the compressor inlet, and a low pressure alarm has been triggered at the compressor inlet. Everyone analyzed that it was caused by a swing check valve placed vertically on the inlet pipeline; let’s examine whether this is indeed the issue by analyzing the structure of the check valve.
Check valves cause a pressure drop, but generally, no check valve is installed at the inlet