National standards for valves:
GB 5135.6-2018 automatic sprinkler systems Part 6: general purpose valves
GB 15930-2007 fire dampers for building ventilation and smoke exhaust systems
GB / T 12225-2018 specification for copper alloy castings for general purpose valves
GB / T 35842-2018 technical requirements for prefabricated directly buried thermal insulation valves for urban heating

Valves for cryogenic insulated gas cylinders – Part 1: pressure regulating valves (GB / T 34530.1-2017)
GB / T 35740-2017 specification for nickel and nickel base alloy castings for industrial valves
GB / T 35741-2017 specification for stainless steel forgings for industrial valves
GB / T 34878-2017 vacuum technology valve leakage rate test

Valves for cryogenic insulated gas cylinders Part 2: stop valves (GB / T 34530.2-2017)
GB / T 34387-2017 general performance test methods for valves for refrigerants
GB / T 34618-2017 on line valve internal leakage temperature detection method for steam drainage system
GB / T 32808-2016 valve model preparation method
GB / T 12224-2015 General requirements for steel valves
GB / T 12220-2015 industrial valve marking
GB / T 31013-2014 acoustics – sound insulation of pipes, valves and flanges
GB / T 30832-2014 test method for flow coefficient and flow resistance coefficient of valves
GB / T 20173-2013 petroleum and natural gas industry pipeline transportation system pipeline valves
GB / T 3032-2014 marking of marine valves and pipeline accessories
GB / T 29816-2013 general specification for valve positioners based on HART Protocol
GB / T 29528-2013 specification for copper alloy forgings for valves
GB / T 28777-2012 evaluation of valves for petrochemical industry
GB / T 14478-2012 basic technical conditions for inlet valves of large and medium-sized hydraulic turbines
GB / T 28572-2012 inlet valve series of large and medium hydraulic turbines
GB / T 28270-2012 electric device for energy valve
GB / T 26640-2011 specification for minimum wall thickness requirements of valve shell
GB / T 24919-2010 General requirements for installation, use and maintenance of industrial valves
GB / T 24922-2010 specification for electric devices of flameproof valves
GB / T 24923-2010 technical conditions for electric devices of common valves
GB / T 24925-2010 technical conditions for low temperature valves
GB / T 12239-2008 industrial valves metal diaphragm valves
GB / T 8464-2008 iron and copper threaded valves
GB / T 21465-2008 valve terminology
GB / T 12233-2006 general purpose valves iron globe valves and lift check valves
GB / T 12225-2005 specification for copper alloy castings for general purpose valves
GB / T 12226-2005 technical specification for gray iron castings for general purpose valves
GB / T 12227-2005 specification for ductile iron castings for general purpose valves
GB / T 12229-2005 specification for carbon steel castings for general purpose valves
GB / T 12230-2005 specification for stainless steel castings for general purpose valves
GB / T 12232-2005 general purpose valves flanged iron gate valves
GB / T 12220-1989 general purpose valve marking