GB/T 41315-2022 Safety shut-off valves for city gas transmission and distribution system

GB/T 12228-2006 General purpose industrial valves—Specification of carbon steel forgings GB/T 12228-2025 General purpose industrial valves—Technical specification for carbon steel forgings GB/T 12229-1989 General purpose industrial valves—Specification of carbon steel castings GB/T 12229-2005 General purpose industrial valves—Specification of carbon steel castings GB/T 12229-2025 General purpose industrial valves—Technical specification for carbon steel castings 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 13934-2006 Rubber,vulcanized or thermoplastic—Determination of flex cracking and crack growth (De mattia) GB/T 14536.1-2008 Automatic electrical controls for household and similar use—Part 1:General requirements GB/T 14976-2002 Stainless steel seamless tubes for fluid transport GB/T 14976-2012 Seamless stainless steel pipes for fluid transport GB/T 14976-2025 Seamless stainless steel pipes for fluid transport GB/T 15115-1994 Die casting aluminium alloys GB/T 15115-2009 Die casting aluminum alloys GB/T 15115-2024 Die casting aluminum alloys GB/T 17241.6-1998 Integral cast iron pipe flanges GB/T 17241.6-2008 Integral cast iron flanges GB/T 17241.7-1998 Specifications for cast iron pipe flanges GB/T 20801.1-2006 Pressure piping code—Industrial piping—Part 1:General GB/T 20801.1-2020 Pressure piping code—Industrial piping—Part 1:General GB/T 20801.1-2025 Pressure piping code—Part 1:Industrial piping GB/T 20801.2-2006 Pressure piping code—Industrial piping—Part 2:Materials GB/T 20801.2-2020 Pressure piping code—Industrial piping—Part 2:Materials GB/T 20801.3-2006 Pressure piping code—Industrial piping—Part 3:Design and calculation GB/T 20801.3-2020 Pressure piping code—Industrial piping—Part 3:Design and calculation GB/T 20801.4-2006 Pressure piping code—Industrial piping—Part 4:Fabrication and assembly GB/T 20801.4-2020 Pressure piping code—Industrial piping—Part 4:Fabrication and assembly GB/T 20801.5-2006 Pressure piping code—Industrial piping—Part 5:Inspection and testing GB/T 20801.5-2020 Pressure piping code—Industrial piping—Part 5:Inspection and testing GB/T 20801.5-2025 Pressure piping code—Part 5:Hydrogen piping and pipelines GB/T 20801.6-2006 Pressure piping code—Industrial piping—Part 6:Safeguarding GB/T 20801.6-2020 Pressure piping code—Industrial piping—Part 6:Safeguarding GB/T 20972.1-2007 Petroleum and natural gas industries—Material for use in H2S-containing environments in oil and gas production—Part 1:General principles for selection of cracking resistant materials GB/T 20972.2-2008 Petroleum and natural gas industries—Materials for use in H2S-containing environments in oil and gas production—Part 2:Cracking-resistant carbon and low alloy steels,and the use of cast irons GB/T 20972.2-2025 Petroleum and natural gas industries—Materials for use in H2S-containing environments in oil and gas production—Part 2:Cracking-resistant carbon and low alloy steels,and the use of cast irons GB/T 20972.3-2008 Petroleum and natural gas industries—Material for use in H2S-containing environments in oil and gas production—Part 3:Cracking-resistant CRAs(corrosion-resistant alloys)and other alloys GB/T 20972.3-2025 Petroleum and natural gas industries—Materials for use in H2S-containing environments in oil and gas production—Part 3:Cracking-resistant CRAs(corrosion-resistant alloys) and other alloys GB/T 23934-2009 Hot coiled helical compression springs—Technical specifications GB/T 23934-2015 Hot formed helical compression springs—Technical Requirement GB/T 23935-2009 Design of cylindrical helical springs GB/T 24234-2009 Cast iron—Determination of multi-element contents—Spark discharge atomic emission spectrometric method (Routine method) GB/T 26640-2011 Specification for minimal thickness of the shell of valves GB 27790-2020 City gas pressure regulator GB/T 30597-2014 General requirements of safety and control devices for gas burners and gas-burning appliances GB/T 38343-2019 Technical specification for flange joints installation GB 50058-2014 Code for design of electrical installations in explosive atmospheres HG/T 2902-1997 Molding Poly tetrafluoroethylene resin HG/T 2902-2024 Not applicable. This standard is about the use of polytetrafluoroethylene resin for molding and modeling. The specific translation of this standard depends on the context and content of the translation HG/T 20592 HG/T 20615 HG/T 20623 JB/T 6440-2008 The valve is subjected to radiographic inspection of the pressure die-cast steel component JB/T 6440-1992 The valve is subjected to radiographic inspection of the pressure die-cast steel parts JB/T 7248-2008 Low-temperature Steel Casting for Valve Components Technical Specification JB/T 7248-2024 The technical specifications for low-temperature steel castings used in valves JB/T 7248-1994 The technical specification for low-temperature steel castings used in valves JB/T 7927-2014 The appearance quality requirements for valve cast steel components JB/T 7927-1999 The appearance quality requirements for valve cast steel parts JB/T 7944-2013 Sample inspection of cylindrical spring in accordance with JB/T 7944-2013 JB/T 7944-2000 Sample inspection of cylindrical spring according to JB/T 7944-2000 NB/T 47008-2017 Carbon steel and alloy steel forgings used in pressure equipment NB/T 47008-2010 Carbon and alloy steel forgings for pressure equipments NB/T 47009-2017 Low-temperature pressure-bearing equipment alloy steel for forging NB/T 47009-2010 Low-alloy steel forgings for low temperature pressure equipments NB/T 47010-2017 Stainless steel and heat-resistant steel forgings used in pressure equipment NB/T 47010-2010 Stainless and heat-resisting steel forgings for pressure equipments NB/T 47013.1-2015 Non-destructive testing of pressure equipment - Part 1: General requirements NB/T 47013.2-2015 Non-destructive testing of pressure equipment - Part 2: Radiographic testing NB/T 47013.3-2023 Non-destructive testing of pressure equipment - Part 3: Ultrasonic testing NB/T 47013.3-2015 Non-destructive testing of pressure equipment - Part 3: Ultrasonic testing NB/T 47013.4-2015 "Non-destructive testing of pressure equipment - Part 4: Magnetic particle testing" NB/T 47013.5-2015 Non-destructive testing of pressure equipment - Part 5: Penetrant testing NB/T 47013.6-2015 Non-destructive testing of pressure equipment - Part 6: Eddy current testing NB/T 47013.7-2012 Nondestructive testing of pressure equipments-Part 7:Visual examination NB/T 47013.8-2012 Nondestructive testing of pressure equipments-Part 8:Leak Testing NB/T 47013.8-2025 Non-destructive testing of pressure equipment - Part 8: Leakage testing NB/T 47013.9-2012 Nondestructive testing of pressure equipments-Part 9:Acoustic emission testing NB/T 47013.10-2015 Non-destructive testing of pressure equipment - Part 10: Ultrasonic testing using time-of-flight diffraction method NB/T 47013.10-2010 Nondestructive testing of pressure equipments-Part 10:Ultrasonic time of flight diffraction technique NB/T 47013.11-2023 Non-destructive testing of pressure equipment - Part 11: Digital imaging detection using X-ray technology NB/T 47013.11-2015 Non-destructive testing of pressure equipment - Part 11: X-ray digital imaging testing NB/T 47013.12-2015 Non-destructive testing of pressure equipment - Part 12: Magnetic flux leakage testing NB/T 47013.13-2015 Non-destructive testing of pressure equipment - Part 13: Impulse eddy current testing NB/T 47013.14-2023 Non-destructive testing of pressure equipment - Part 14: X-ray computer-aided imaging inspection NB/T 47013.14-2016 Non-destructive testing of pressure equipment - Part 14: X-ray computer-aided imaging detection NB/T 47013.15-2021 NB/T 47013.15-2021 Nondestructive testing for pressure equipment - Part 15: Phased array ultrasonic testing NB/T 47013.16-2024 NB/T 47013.16-2024 Nondestructive testing of pressure equipment Part 16: Infrared thermal imaging testing NB/T 47013.17-2024 NB/T 47013.17-2024 Nondestructive testing for pressure equipment - Part 17: Magnetic-memory testing NB/T 47013.18-2024 NB/T 47013.18-2024 Nondestructive testing for pressure equipment - Part 18: Array eddy current testing NB/T 47013.21-2025 Non-destructive testing of pressure equipment - Part 21: Detection using alternating electromagnetic fields IEC 60730-1:2013+AMD1:2015+AMD2:2020