2026-04-10Views：
1, engaged in gas storage tanks and other pressure vessel equipment and other pipeline installation, transformation, maintenance must obtain the corresponding qualification license. Units engaged in installation must have installation qualifications, install in accordance with relevant safety specifications and requirements, and be responsible for the safety and quality of pressure vessels, and strictly implement national safety standards and technical standards.
2. The installation unit must provide installation qualification, installation drawings and installation plan. Repair unit must provide repair construction scheme
3, participate in major transformation and repair should be submitted to the special equipment safety management department, inform the relevant departments.
Major modification refers to changing the structure of the pressure vessel (pressure vessel) or operating technology and other parameters (including vessel, pressure, medium, etc.). And should go through the design drawings of departments and units with design qualifications. It also meets the safety standards of pressure vessels, and is familiar with some of the preparatory work and welding requirements of Gao in Qian. And after a series of manufacturing and testing process.
5. Fixed pressure vessels shall not be changed to mobile pressure vessels
6. The transformation of pressure vessels should also have the pressure test, water pressure test, flaw detection and other processes of pressure vessels.
7, the transformation of pressure vessels need to carry out pressure vessel thickness testing to meet the new requirements.
8. Major maintenance and transformation of pressure vessels must go through a series of inspection reports before the pressure vessel leaves the factory and some series of inspection reports and certificates issued by special equipment inspection.
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