CJ/T 394-2018 Electro-magnetic emergency shut-off valve for gas

CJ/T 394-2012 Electro-magnetic emergency shut-off valve for gas

GB/T 3836.9-2021 Explosive atmospheres—Part 9:Equipment protection by encapsulation “m” GB 3836.11-1991 Electrical apparatus for explosive atmospheres-Method of test for ascertainment of maximum experimental safe gap GB/T 3836.11-2008 Explosive atmospheres—Part 11:Equipment protection by flameproof enclosures “d”—Method of test for ascertainment of maximum experimental safe gap GB/T 3836.11-2017 Explosive atmospheres—Part 11:Material characteristics for gas and vapour classification—Test methods and data GB/T 3836.11-2022 Explosive atmospheres—Part 11:Material characteristics for gas and vapour classification—Test methods and data GB 3836.12-1991 Electrical apparatus for explosive atmospheres—Classification of gases or vapours with air according to their maximum experimental safe gaps and minimum igniting currents GB/T 3836.12-2008 Explosive atmospheres—Part 12:Classification of mixtures of gases or vapours with air according to their maximum experimental safe gaps and minimum igniting current GB/T 3836.12-2019 Explosive atmospheres—Part 12:Material characteristics for combustible dusts—Test methods GB 3836.13-1997 Electrical apparatus for explosive gas atmospheres—Part 13:Repair and overhaul for apparatus used in explosive gas atmospheres GB 3836.13-2013 Explosive atmospheres—Part 13:Equipment repair,overhaul and reclamation GB/T 3836.13-2021 Explosive atmospheres—Part 13:Equipment repair,overhaul,reclamation and modification GB 3836.14-2000 Electrical apparatus for explosive gas atmospheres—Part 14:Classification of hazardous areas GB 3836.14-2014 Explosive atmospheres—Part 14:Classification of areas—Explosive gas atmosphere GB 3836.15-2000 Electrical apparatus for explosive gas atmospheres—Part 15:Electrical installations in hazardous areas (other than mines) GB/T 3836.15-2017 Explosive atmospheres—Part 15:Electrical installations design,selection and erection GB 3836.15-2024 Explosive atmospheres—Part 15:Specification of electrical installations design,selection and erection GB 3836.16-2006 Electrical apparatus for explosive gas atmospheres—Part 16:Inspection and maintenance of electrical installation(other than mines) GB/T 3836.16-2017 Explosive atmospheres—Part 16:Electrical installations inspection and maintenance GB/T 3836.16-2022 Explosive atmospheres—Part 16:Electrical installations inspection and maintenance GB 3836.16-2024 Explosive atmospheres—Part 16:Specification of electrical installations inspection and maintenance GB 3836.17-2007 Electrical apparatus for explosive gas atmosphere—Part 17:Construction and use of rooms or buildings protected by pressurization GB/T 3836.17-2019 Explosive atmospheres—Part 17:Equipment protection by pressurized room “p” and artifically ventilated room “v” GB 3836.18-2010 Explosive atmospheres—Part 18:Intrinsically safe system GB/T 3836.18-2017 Explosive atmospheres—Part 18:Intrinsically safe electrical systems GB/T 3836.18-2024 Explosive atmospheres—Part 18:Intrinsically safe electrical systems GB 3836.19-2010 Explosive atmospheres—Part 19:Fieldbus intrinsically safe concept(FISCO) GB 3836.20-2010 Explosive atmospheres—Part 20:Equipment with equipment protection level (EPL) Ga GB/T 3836.21-2017 Explosive atmospheres—Part 21:Application of quality systems for equipment manufacture GB/T 3836.21-2022 Explosive atmospheres—Part 21:Application of quality management systemsfor Ex Product manufacture GB/T 3836.22-2017 Explosive atmospheres—Part 22:Protection of equipment and transmission system using optical radiation GB/T 3836.22-2023 Explosive atmospheres—Part 22:Protection of equipment and transmission system using optical radiation GB/T 3836.23-2017 Explosive atmospheres—Part 23:Group Ⅰ,category EPL Maequipment intended to remain functionalin atmospheres endangered by firedamp and/or coal dust GB/T 3836.24-2017 Explosive atmospheres—Part 24:Equipment protection by special protection“s” GB/T 3836.25-2019 Explosive atmospheres—Part 25:Requirements for process sealing between flammable process fluids and electrical systems GB/T 3836.26-2019 Explosive atmospheres—Part 26:Electrostatic hazards—Guidance GB/T 3836.27-2019 Explosive atmospheres—Part 27:Electrostatic hazards—Test GB/T 3836.28-2021 Explosive atmospheres—Part 28:Non-electrical equipment for explosive atmospheres—Basic method and requirements GB/T 3836.29-2021 Explosive atmospheres—Part 29:Non-electrical equipment for explosive atmospheres—Constructional safety “c”,control of ignition source “b”, liquid immersion “k” GB/T 3836.30-2021 Explosive atmospheres—Part 30:Equipment and components in explosive atmospheres in underground mines GB/T 3836.31-2021 Explosive atmospheres—Part 31:Equipment dust ignition protection by enclosure “t” GB/T 3836.32-2021 Explosive atmospheres—Part 32:Intrinsically safe systems with electronically controlled spark duration limitation GB/T 3836.33-2021 Explosive atmospheres—Part 33:Equipment in adverse service conditions GB/T 3836.34-2021 Explosive atmospheres—Part 34:Equipment assemblies GB/T 3836.35-2021 Explosive atmospheres—Part 35:Classification of areas for explosive dust atmospheres GB/T 3836.36-2022 Explosive atmospheres—Part 36:Electrical safety devices for the control of potential ignition sources from Ex Equipment GB/Z 3836.37-2025 Explosive atmospheres—Part 37:Equipment protection by 2-wire intrinsically safe ethernet concept (2-WISE) GB 4208-1993 Degrees of protection provided by enclosure (IP code) GB/T 4208-2008 Degrees of protection provided by enclosure(IP code) GB/T 4208-2017 Degrees of protection provided by enclosure(IP code) 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 5013.1-1997 Rubber insulated cables of rated voltages up to and including 450/750V—Part 1:General requirements GB/T 5013.1-2008 Rubber insulated cables of rated voltages up to and including 450/750 V—Part 1:General requirements GB 5023.1-1997 Polyvinyl chloride insulated cables of rated voltages up to and including 450/750V—Part 1:General requirements GB/T 5023.1-2008 Polyvinyl chloride insulated cables of rated voltages up to and including 450/750 V—Part 1:General requirements GB/T 7306.1-2000 Pipe threads with 55 degree thread angle where pressure-tight joints are made on the threads—Part 1:Parallel internal and taper external threads GB/T 7306.2-2000 Pipe threads with 55 degree thread angle where pressure-tight joints are made on the threads—Part 2:Taper internal and external threads GB/T 9113-2010 Integral steel pipe flanges GB/T 9113.1-2000 Integral steel pipe flanges with flat face or raised face GB/T 9113.2-2000 Integral steel pipe flanges with male and female face GB/T 9113.3-2000 Integral steel pipe flanges with tongue and groove face GB/T 9113.4-2000 Integral steel pipe flanges with ring-joint face GB/T 9440-1988 Malleable iron castings GB/T 9440-2010 Malleable iron castings GB 10009 GB/T 12220-1989 General purpose industrial valves—Marking GB/T 12220-2015 Industrial valves—Marking GB/T 12221-1989 Metal valves for use in flanged pipe systems—Face-to -face and centre-to-face dimensions GB/T 12221-2005 Metal valves—Face to face,end to end,center to face and center to end dimensions GB/T 12221-2025 Metal valves—Face to face,end to end,centre to face and centre to end dimensions GB/T 12225-1989 General purpose industrial valves—Specification of copper alloy castings GB/T 12225-2005 General purpose industrial valves—Specification of copper alloy castings GB/T 12225-2018 General purpose industrial valves—Specification of copper alloy castings GB/T 12227-1989 General purpose industrial valves—Specification of spheroidal graphite iron castings GB/T 12227-2005 General purpose industrial valves—Specification of spheroidal graphite iron castings GB/T 12227-2025 General purpose industrial valves—Technical specification for ductile iron castings 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 12230-1989 General purpose industrial valves—Specification of austenitic steel castings GB/T 12230-2005 General purpose industrial valves—Specification of stainless steel castings GB/T 12230-2023 General purpose industrial valves—Specification of stainless steel castings GB/T 13384-1992 General specifications for packagings of mechanical and electrical products GB/T 13384-2008 General specifications for packing of mechanical and electrical product GB/T 15114-1994 Aluminium alloy die-castings GB/T 15114-2009 Aluminum alloy die castings GB/T 15114-2023 Aluminum alloy die castings GB/T 17213.1-1998 Industrial-process control valves—Part 1:Control valve terminology and general considerations GB/T 17213.1-2015 Industrial-process control valves—Part 1:Control valve terminology and general considerations GB/T 17241.6-1998 Integral cast iron pipe flanges GB/T 17241.6-2008 Integral cast iron flanges GB/T 21465-2008 Terminology for valves GB 50016-2014 Code for fire protection design of buildings GB 50058-2014 Code for design of electrical installations in explosive atmospheres CJ/T 346-2010 Automatic shut-off valves for gas-burning appliances HG/T 20592 JB/T 106-2024 JB/T 106-2024 - Valve labeling and painting JB/T 106-2004 Valves marking and paint