Is it necessary to pressurize the instrument along with the connection part of the pipeline during pipeline pressure testing?
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For the newly installed water pipes, does the pressure inlet and the metal base at the installation temperature need to be opened first, and should they be pressurized along with the pipes?
It is necessary; pressure testing is required for everything in front of the valve
It’s necessary; otherwise, after drilling, who can guarantee that the new opening won’t have any problems?
Follow the pipeline diagram; that’s where the boundary between pipelines and instruments lies. In other words, the pipe socket and the mating flange or threaded connection must be subjected to water pressure.
Fight together during the suppression phase to ensure everything meets the standards