This part includes requirements for components, design, fabrication, assembly, erection, inspection, examination, and testing of piping. This part contains definitions and requirements for materials, welding, brazing, heat treating, forming, testing, inspection, examination, operation, and maintenance. It is also applicable to the location and type of support elements, but not to the structure to which the support elements are attached.ī31.12 is presented in the following parts: B31.12 is applicable up to and including the joint connecting the piping to associated pressure vessels and equipment but not to the vessels and equipment themselves.
This Code is applicable to piping in gaseous and liquid hydrogen service and to pipelines in gaseous hydrogen service. The industrial piping section covers requirements for components, design, fabrication, assembly, erection, inspection, examination, and testing of piping. The general requirements section covers materials, brazing, welding, heat treating, forming, testing, inspection, examination, operating, and maintenance. The ASME has been defining piping safety since 1922.ĪSME B31.12 Standard on Hydrogen Piping and Pipelines contains requirements for piping in gaseous and liquid hydrogen service and pipelines in gaseous hydrogen service.
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