What are the requirements for a company regarding the design and manufacture of autoclaves?
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During the search, it was found that autoclaves are considered fatigue-sensitive vessels; so can ordinary companies with Class D qualifications carry out their design and manufacturing? Are there any regulations that impose restrictions on the qualifications for designing and manufacturing autoclaves? The company didn’t say before that manufacturing was not allowed; many units have already been manufactured with the necessary permits and shipped out. However, it has been recently stated that autoclaves are considered fatigue vessels, and the company is not qualified to design them and will no longer accept such orders. What should be done?
The design and manufacture of autoclaves must meet a range of technical and legal requirements, including those related to design, material selection, welding, and testing. Ordinary Class D qualified companies may face certain limitations in these areas and need to possess the relevant skills and experience. Regarding the qualifications for the design and manufacture of autoclaves, **relevant laws, regulations, and standards specify corresponding requirements. Standards such as the Regulations on Safety Supervision of Pressure Vessels and Steel Storage Tanks, for example, clearly specify the qualifications and requirements for manufacturing units. Specifically, corresponding production conditions, personnel, equipment, technology, and quality management systems are required. If a company is considered unqualified to design and manufacture autoclaves, it can consider partnering up or finding a supplier that meets the requirements, to ensure that the products manufactured comply with relevant standards and specifications. At the same time, the company can also strengthen technological research and development as well as staff training, thereby improving its technical and managerial capabilities and laying a solid foundation for future growth. .
The “Comparative Empirical Design Method” specified in Appendix D of GB/T150.1 can be considered, but a technical review is required. In fact, the fatigue strength of the quick-opening teeth in the autoclave is what should be given more attention.
The design and manufacture of autoclaves can be carried out in accordance with GB150. The difference from GB150 is that the locking device for the quick-opening door is subject to continuous fatigue from opening and closing; as a precaution, it is advisable to conduct a stress analysis on this locking device and include the results in the strength calculation report. A Class D design will meet the requirements.
For manufacturing, only the qualifications for the container are required; however, design work needs to be carried out by someone with the necessary qualifications. Most design institutes have them
Where did you see that grade D is not allowed? If you have no experience, it’s best not to undertake such a high-risk task.