Are the condensate pipes that are exposed to the outside considered pressure pipes?
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It is steam condensate at 2 bar; the pipe behind the check valve has a DN80 diameter and is approximately 100 meters long. The condensate is discharged into an open trench. Does this pipe qualify as a pressure pipeline?
Based on the description of the situation, this condensate pipe is a pressure pipeline. Since it transports 2 bar of steam condensate, this proves that there is a certain pressure within the pipeline. At the same time, the pipeline is equipped with a steam trap to control the flow rate, and it has a certain length and diameter, all of which indicate that it is designed as a piping system capable of withstanding a certain pressure. Therefore, it can be classified as a pressure pipeline. .
Look at the definition of pressure pipelines and consider this operating condition, and it will become clear. It does not belong.