AS 2971:2002 pdf free

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AS 2971:2002 pdf free.Serially produced pressure vessels.
For the purpose of this Standard, the definitions given in AS 4942 and those below apply.
1.5.1 Batch
A group of serially produced vessels made with the same set-up in the same plant over a period not exceeding 3 months with a maximum interval of 5 days and subject to the same quality control measures.
NOTE: The ‘same set-up’ refers to the same diameter, nominal thickness, heat treatment process and welding control settings.
1.5.2 Certification body
A nationally recognized body that provides certification.
1.5.3 Customer
Organization or person that receives a product or service.
1 A customer may be internal or external to the organization.
2 A customer can be the ‘purchaser’.
1.5.4 Design minimum temperature
The lowest temperature at which the vessel part under consideration is intended to be operated. It is used to select material with suitable low temperature properties and as the basis for type and production tests.
1.5.5 Design pressure
The maximum gauge pressure, at a designated temperature, which is allowed at the top of the pressure vessel in its operating position.
1.5.6 Design temperature
The maximum temperature at the design pressure, used to determine the dimensions of the
vessel part under consideration, and used as the basis for type and production tests.
1.5.7 Design verifier
A person who verifies the design of pressure equipment.
NOTE: In this Standard, the design verifier may also witness tests or interpret test results or a combination of these.
1.5.8 Integrated pressure equipment test station (IPETS)
A test station integral with the manufacturing process and operating as specified in
Appendix A. It is responsible for the quality of all pressure equipment sold from the
manufacturing plant from which it operates.
1.5.9 Serially produced vessels
Vessels of the same diameter, configuration, nominal thickness, materials, openings, attachments and manufacture which are produced in series in such manner and numbers as will permit the use of statistical methods to control quality.
NOTE: Such vessels are sometimes referred to as ‘multiple duplicate’ vessels.AS 2971 pdf download.

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