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See Chinese contents: GB/T 13927-2022 GB/T 13927-2022: Industrial valves -- Pressure testing
This document specifies pressure test additional conditions, pressure test requirements, test methods, test acceptance criteria for industrial valves. This document applies to pressure testing of metal valves. Note: The use of this document is specified by the valve product standard. Valves made of other materials can be implemented with reference to this standard.
