GB/T 34425-2017: Translated English of Chinese Standard. (GBT 34425-2017, GB/T34425-2017, GBT34425-2017): Fuel cell electric vehicles - Hydrogen refuelling nozzle
https://www.chinesestandard.net, 13 Μαρ 2018 - 19 σελίδες
This Standard specifies the definitions, requirements, and test methods of fuel cell electric vehicles - hydrogen refuelling nozzle. This Standard is applicable to fuel cell electric vehicles - hydrogen refuelling nozzle which uses compressed hydrogen as working medium, of which the working pressure is not more than 35 MPa and the operating ambient temperature is -40 degree-Celsius~60 degree-Celsius.
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316 L stainless 80 B Rockwell A-type able to withstand abnormal load Aerotolerance aging test ambient temperature B-type capable of withstanding cell electric vehicles compressed hydrogen CONNECT the hydrogen connected correctly connector contact with hydrogen correctly connected designed pressure device of hydrogen disassembling dispenser is closed displacement or deflection fit test equipment Fuel cell electric gas-tightness test Handle for operating hydrogen be refuelled hydrogen dispenser hydrogen refuelling nozzle hydrostatic pressure inlet leakage test gas less than 20 load without displacement locking device maximum airflow method specified method stipulated millimeter Material minimum 80 mounting torque nozzle and receptacle nozzle is applicable receptacle are connected refuelling hose requirements of 4.2.1 resistance of connecting Rockwell hardness HRB roughness of sealing SAIC salt mist scale Surface roughness sealing face stainless steel Strength of hydrostatic supporting element test device test of abnormal type of hydrogen unconnected hydrogen refuelling unloading the hydrogen withstand specified load withstanding 1.5