09,22,2026 27 views
According to the General Office of the State Administration for Market Regulation, the flow meter (housing) of the boiler main feedwater pipeline, main steam pipeline, and reheated steam pipeline should be made of seamless steel pipes in principle, and there should be no circumferential seams welded by dissimilar steels. The flow meters for the main feedwater pipeline, main steam pipeline, and reheated steam pipeline of the boiler shall comply with the requirements of the manufacturing process supervision and inspection of the boiler components. When manufacturing flow meters, the manufacturing unit shall submit a supervision and inspection application to an inspection agency approved by the State Administration for Market Regulation with boiler or pressure pipeline supervision and inspection qualifications. The inspection agency shall carry out supervision and inspection of the manufacturing process in accordance with safety technical specifications and standards, and issue a supervision and inspection report and certificate after passing the inspection. Pipeline component combination devices that have not passed supervision and inspection shall not be used in pipelines within the scope of power plant boilers.
