Is the nitrogen pipeline a pressure pipeline?
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It is a DN50 nitrogen delivery pipeline with a nitrogen pressure of around 0.3 MPa. Is this pipeline considered a pressure pipeline, and which regulations can be used to determine this?
According to the announcement by the General Administration of Quality Supervision, Inspection and Quarantine regarding the revision of the \"Catalogue of Special Equipment\" (No. 114, 2014), it does not fall under the category of pressure pipelines.
It does not fall under this category; nitrogen pipelines are considered pressure pipelines only if their diameter is 150 or more
No, nitrogen pipelines are considered pressure pipelines only if they have a diameter of DN150 or more.
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