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See Chinese contents: GB/T 24918-2010 GB/T 24918-2010: Cryogenic emergency shutoff valve
This Standard specifies the terminology, technical requirements, test methods, inspection rules, appearance, marking and supply requirements of cryogenic emergency shutoff valve (hereinafter referred to as emergency shutoff valve). This Standard applies to nominal dimensions DN 15 ~ DN 200, nominal pressure PN 16 ~ 63, operating temperature -196 ¡æ ~ -29 ¡æ, emergency automatic cut-off temperature 70 ¡æ ¡À 5 ¡æ, and using low-temperature media of oxygen, nitrogen, argon, natural gas, ethylene (O2, N2, Ar, CNG, C2H4) and other gases and liquids.
