Do the pipes of a hydraulic lubrication system fall under the category of pressure pipes?
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Do the hydraulic systems required in various production lines, as well as the piping for lubrication systems such as bearing reducers and motors, fall under the category of pressure pipelines? However, well-known manufacturers such as Chuanrun, Nanfang, and Qidong do not consider them to be pressure pipelines. Why is that? ?
It indeed does not belong, as the operating temperature is not higher than the standard boiling point.
It does not belong. The scope of non-applicability of GBT20801.1 includes: “the internal pipelines of fixing equipment such as pumps, compressors, and other devices used for transporting or processing fluids, as well as the external connection ports of such equipment” ； ”