farhad ashraf
Petroleum
Is there any restriction in API 6A for use of casting materials for the valves?
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API 6A Valve material
- Thread starter farhad ashraf
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Yes. Castings are not permitted for PSL4 for valve bodies, bonnets, and end and outlet connectors. For other PSLs, castings are permitted, but there are some casting-specified requirements. Many requirements are in API 6A 21st Edition 6.3.3.1, 6.4.2.3.1, 7.4.3, and 10.4.2.
Mohammed A. Siddiqui
Materials
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