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GB/T 12243-2021 English PDF (GBT12243-2021)

GB/T 12243-2021 English PDF (GBT12243-2021)

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GB/T 12243-2021: Spring loaded safety valves
This document specifies the design, performance, test and inspection, appearance, mark and lead seal, protection, storage and transportation for spring loaded safety valves (hereinafter referred to as safety valves). This document is applicable to safety valves for steam with a set pressure of 0.1MPa~42.0MPa, and flow passage diameters greater than or equal to 15mm, as well as safety valves for gas and liquids with a diameter greater than or equal to 7mm. This document is applicable to safety valves whose discharge medium temperature is not lower than -29¡ãC.

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