T/CAS 745-2023 Code of practice of natural gas pipeline engineering for rural

GB 55009-2021 Code for design of city gas engineering CJJ 12-2013 Specification for installation and acceptance of domestic gas burning appliances CJJ/T 34-2022 Design standard for urban heating network CJJ 51-2016 Safety technical specification for operation,maintenance and rush-repair of city gas facilities CJJ 63-2018 Technical standard for polyethylene(PE) gaseous fuel pipeline engineering CJJ 94-2009 Code for construction and quality acceptance of city indoor gas engineering CJJ 95-2013 Technical specification for external corrosion control of buried steel pipeline for city gas CJJ/T 146-2011 Technical specification for gas alarm and control system CJJ/T 148-2010 Technical specification for city gas odorization CJJ/T 153-2010 Standard for city gas signs CJ/T 180-2003 Manually operated gas valves for use in house CJ/T 180-2014 Manually operated gas valves for gas installations of buildings CJ/T 197-2004 The corrugated hose assemblies of stainless for gas CJ/T 197-2010 Stainless steel corrugated tubes for the connection of gas appliances CJJ/T 250-2016 Technical specification for crossing and aerial crossing engineering of city gas pipeline CJ/T 347-2010 Household combustible gas alarms and sensor CJ/T 394-2012 Electro-magnetic emergency shut-off valve for gas CJ/T 394-2018 Electro-magnetic emergency shut-off valve for gas CJ/T 433-2013 Press connection carbon steel tubes and fittings CJ/T 447-2014 Automatic shut-off valve for pipeline gas CJ/T 476-2015 Specification of seismic supports for mechanical and electrical components CJ/T 477-2015 Ultrasonic gas meter CJ/T 490-2016 Armouring hose for the connection of gas appliance CJ/T 503-2016 Diaphragm gas meter with wireless remote-reading 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 47013.10-2015 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 HG/T 3737-2018 HG/T 3737-2018 anaerobic adhesive。 HG/T 3737-2004 Single-component anaerobic adhesive JB/T 74-2015 JB/T 74-2015 Steel Pipe Fitting Technical Specification JB/T 4254-2016 Liquid sealing adhesive JB/T 4254-1999 Fluid sealants JB/T 7385-2015 Gas-type rotary vane flow meter JB/T 7385-1994 Gas-type diaphragm flow meter JB/T 10662-2013 Ultrasonic testing of welds in polyethylene pipelines for non-destructive testing JB/T 10662-2006 Non-destructive testing and ultrasonic testing of welds in polyethylene pipes JB/T 11492-2013 Copper ball valve and stop valve for gas pipeline QX/T 109-2021 Urban gas lightning protection technical specifications QX/T 109-2009 QX/T 109-2009 Urban gas lightning protection technical specification SY/T 0087.1-2018 Corrosion Evaluation Standards for Steel Pipelines and Storage Tanks - Part 1: Direct External Corrosion Evaluation of Buried Steel Pipelines SY/T 0087.1-2006 The evaluation standard for corrosion of steel pipes and storage tanks, including direct external corrosion evaluation of buried steel pipelines T/CGAS 003-2017 General technical requirements for civilian intelligent gas meters T/CGAS 016-2021 Gas-fitting coated carbon steel pipe and fittings for gas use T/CECS 618-2019 Compression welding carbon steel pipeline engineering technical specification T/CECS 828-2021 Seismic anchoring technical specification for non-structural components in construction engineering