Differences and similarities between the quality assurance system for pressure vessels and the ISO9000 system

The quality assurance system for pressure vessels must meet the 18 control requirements specified in TSG Z0004-2007 \"Basic Requirements for Quality Systems of Manufacturing, Installation, Modification, and Maintenance of Special Equipment\". Its main purpose is to ensure that the manufacturing quality of pressure vessels complies with existing regulations, specifications, and standards, with an emphasis on safety and quality requirements; however, its terminology and formatting are based on the basic requirements outlined in the ISO9000 standard； The control requirements of the ISO9000 system are generally consistent with those of the pressure vessel quality assurance system, but the former places greater emphasis on management requirements.

I have summarized the following points for joint learning and discussion; there are roughly the following items: 1. Different implementation standards； ““Rules” fall under regulations ； 9000 belongs to the standard. 2. Different applicable industries ； “The “Rules” apply to the industry of pressure vessel and pressure pipeline design ； 9000 is applicable to all industries. 3. Different control methods ； “Important elements of the “rules” note ； 9000 emphasizes the process. 4. Different levels of enforcement ； “The “rules” are mandatory; the design of pressure vessels and pressure pipelines must comply with them ； 9000 is an autonomous action and serves as a guideline. 5. Different focuses ； ““The Rules” focus on outcomes, while 9000 focuses on the process ； 6. Different review methods ； “\"Rules\" by professional category ； Design, manufacture, inspection. 9000 is mainly for management departments ； 7. Different responsible parties ； “The “rules” take the system as the control unit, with the designer being responsible ； 9000 takes the management department as the control unit, with the department head being responsible ； 8. Different quality plans and preventive measures ； “The “rules” designer is responsible ； Department heads at 9000 are responsible ； 9. If something can be done according to the “rules,” then it should be done; if not, find a way to do it ； Say how much 9000 can do, and whatever is said must be done.