Is it necessary to remove the check valve during pipeline purging?
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Is it necessary to remove the check valve during pipeline purging? Is there standard support? Is it possible to use it without disassembly?
Try to remove them; otherwise, debris such as rust inside the pipes can cause wear on the sealing surfaces, affecting the sealing performance.
Are there any standards or operation manuals available for support?
No standards are visible – has it been done this way for decades? Demolishing it doesn’t make much sense
During the initial investment in pipeline construction, try to remove and use fake pipes, especially in the instrumentation area； Filter plates can also be considered, but they cannot be used for pipe bursting operations