GB/T 17926-2022 Compressed natural gas cylinder valve for vehicle

GB/T 17926-2009 Compressed natural gas cylinder valve for vehicle

GB/T 197-2003 General purpose metric screw threads—Tolerances GB/T 197-2018 General purpose metric screw threads—Tolerances GB/T 228.1-2010 Metallic materials—Tensile testing—Part 1:Method of test at room temperature GB/T 228.1-2021 Metallic materials—Tensile testing—Part 1:Method of test at room temperature GB/T 1173-1995 Casting aluminium alloys GB/T 1173-2013 Casting aluminum alloy GB/T 3512-2001 Rubber, vulcanized or thermoplastic—Accelerated ageing and heat resistance tests—Air-oven method GB/T 3512-2014 Rubber, vulcanized or thermoplastic—Accelerated ageing and heat resistance tests—Air-oven method GB/T 3934-2003 Specification of gauges for general purpose screw threads GB/T 4423-1992 Wrought copper and copper alloys—Drawn rods and bars GB/T 4423-2007 Copper and copper-alloy cold-drawn rod and bar GB/T 4423-2020 Copper and copper alloy cold-drawn rod and bar GB/T 5121.1-1996 Copper and copper alloys—Determination of copper content GB/T 5121.1-2008 Methods for chemical analysis of copper and copper alloys—Part 1:Determination of copper content GB/T 5121.3-1996 Copper and copper alloys—Determination of lead content GB/T 5121.3-2008 Methods for chemical analysis of copper and copper alloys—Part 3:Determination of lead content GB/T 5121.9-1996 Copper and copper alloys—Determination of iron content GB/T 5121.9-2008 Methods for chemical analysis of copper and copper alloys—Part 9:Determination of iron content GB/T 5231-2001 Wrought copper and copper alloys chemical composition limits and forms of wrought products GB/T 5231-2012 Designation and chemical composition of wrought copper and copper alloys GB/T 5231-2022 Designation and chemical composition of wrought copper and copper alloys GB 8335-1998 Special threads for gas cylinders GB/T 8335-2011 Special threads for gas cylinders GB/T 8336-1998 Special thread gauges for gas cylinders GB/T 8336-2011 Special thread gauges for gas cylinders GB 8337-1996 Fusible plug for gas cylinders GB/T 8337-2011 Fusible plug device for gas cylinders GB/T 12716-2002 Pipe threads with the thread angle of 60 degrees where pressure-tight joints are made on the threads GB/T 12716-2011 Pipe threads with the thread angle of 60 degrees where pressure-tight joints are made on threads GB/T 13005-1991 Terminology of gas cylinders GB/T 13005-2011 Terminology of gas cylinders GB/T 13642-1992 Rubber, Vulcanized—Resistance to ozone ageing—Dynamic strain test method GB/T 13642-2015 Rubber,vulcanized or thermoplastic—Resistance to ozone cracking—Dynamic strain testing GB 15383-1994 Outlet connections and sizes for cylinder valves GB/T 15383-2011 Connection types and dimensions for gas cylinder valve outlets GB/T 16918-1997 Bursting discs specification for gas cylinder GB/T 16918-2017 Bursting disc safety devices for gas cylinders GB 18351-2001 Ethanol gasoline for motor vehicles GB 18351-2004 Ethanol gasoline for motor vehicles GB 18351-2010 Ethanol gasoline for motor vehicles(E10) GB 18351-2013 Ethanol gasoline for motor vehicles(E10) GB 18351-2015 Ethanol gasoline for motor vehicles(E10） GB 18351-2017 Ethanol gasoline for motor vehicles (E10) GB/T 33215-2016 Pressure relief devices for gas cylinders GB 18351-2025 Ethanol gasoline for motor vehicles GB/T 33215-2025 Pressure relief devices for gas cylinders GB/T 3934-2025 Specification of gauges for general purpose screw threads