In a liquid ring compressor unit, is the pipeline that runs from the exhaust port of the liquid ring compressor to the gas-liquid separator considered a pressure pipeline?
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Hello, experts. Is the pipeline that runs from the exhaust port of the liquid ring compressor inside the liquid ring compressor unit to the gas-liquid separator considered a pressure pipeline? The fluid flowing in this pipeline consists of toxic and corrosive gases as well as the working fluid of the liquid ring compressor; the diameter of this pipeline is DN125, and the pressure is greater than 0.1 Mpa (gauge pressure). Is it necessary to have a specialized pressure pipeline design firm design this pipeline and issue a certification, and then to engage a qualified installation and manufacturing company to construct it?
In accordance with the provisions of the Regulations on Safety Supervision of Pressure Pipelines, the pipeline from the exhaust port of the liquid ring compressor to the gas-liquid separator is considered a pressure pipeline, and it is necessary to carry out relevant design, manufacturing, and installation work for such pipelines. Since the medium contains toxic and corrosive gases as well as the working fluid of the vane pump, this pipeline is considered a high-risk pipeline. It requires design and certification by a pressure pipeline design firm with the appropriate qualifications, and it must also be manufactured and installed by a qualified installation and manufacturing company. It is recommended that you follow the prescribed procedures for design and construction to ensure the safe operation of the liquid ring compressor unit. .
Comply with the requirements of Special Quality Inspection Letter No. 46.