The boundary between containers and pressure pipelines?
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There is currently a DN100 pipe with a length of 2 meters, used as a buffer device; the ends of this pipe are connected by end caps, and the DN100 pipe is equipped with ports such as drain holes. The medium flowing through it is a gas-liquid mixture. So, is this equipment regulated under the Fixed Pressure Vessels Regulations, or under the Pressure Pipeline Regulations? Or can both be used, as long as one of them is followed?
The geometric dimension is less than 150, which does not meet the pressure vessel regulations
Ignore this; what about DN150 then?
Well, what was said on the 2nd floor is correct. Determined based on each party’s jurisdiction
What is the size of the connection pipes at both ends? In my opinion, it should still be done through pipes, just like the manifold for heat tracing wires.
What lies outside the first flange on the container belongs to the pipeline.
How is PID described? Is it the pipeline number or..
Is it determined by the PID diagram? If it is a pipeline number, treat it as a pressure pipeline; if it is a equipment number, treat it as a container.
If it is DN150, the PID and equipment layout diagrams are determined during the planning stage, before any data sheets for the equipment are provided; for equipment, it refers to the tag number, while for pipelines, it refers to the pipeline number