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See Chinese contents: GB/T 42177-2022 GB/T 42177-2022: Technical requirements and test methods for gaseous hydrogen valves used in hydrogen fuelling stations
This document specifies the technical requirements, test methods, marks and other requirements for gaseous hydrogen valves used in hydrogen fuelling stations (hereinafter referred to as and quot;valves and quot;). This document applies to gaseous hydrogen valves used in hydrogen fuelling stations that meet the following conditions: a) The ambient temperature is -40¡æ~60¡æ; b) The hydrogen charging pressure does not exceed 70 MPa at 15¡ãC.
