GB 44016-2024 Electro-magnetic emergency shut-off valve for gas

GB/T 6109.11-2008 Enamelled round winding wire—Part 11:Solderable polyurethane enamelled round copper wire overcoated with polyamide,class 155 GB/T 6109.11-2025 Enamelled round winding wire—Part 11:Solderable polyurethane enamelled round copper wireovercoated with polyamide,class 155 GB/T 6109.12-2008 Enamelled round winding wire—Part 12:Polyester or polyesterimide enamelled round copper wire overcoated with polyamide,class 180 GB/T 6109.13-2008 Enamelled round winding wire—Part 13:Solderable polyesterimide enamelled round copper wire,class 180 GB/T 6109.14-2008 Enamelled round winding wire—Part 14:Polyamide-imide enamelled round copper wire,class 200 GB/T 6109.15-2008 Enamelled round winding wire—Part 15:Solderable polyurethane enamelled round copper wire,class 130,with a bonding layer GB/T 6109.16-2008 Enamelled round winding wire—Part 16:Solderable polyurethane enamelled round copper wire,class 155,with a bonding layer GB/T 6109.17-2008 Enamelled round winding wire—Part 17:Solderable polyesterimide enamelled round copper wire,class 180,with a bonding layer GB/T 6109.17-2025 Enamelled round winding wire—Part 17:Solderable polyesterimide enamelled round copper wire,class 180,with a bonding layer GB/T 6109.18-2008 Enamelled round winding wire—Part 18:Polyesterimide enamelled round copper wire,class 180,with a bonding layer GB/T 6109.19-2008 Enamelled round winding wire—Part 19:Polyester or polyesterimide overcoated with polyamide-imide enamelled round copper wire,class 200,with a bonding layer GB/T 6109.20-2008 Enamelled round winding wire—Part 20:Polyester or polyesterimide overcoated with polyamide-imide enamelled round copper wire,class 200 GB/T 6109.21-2008 Enamelled round winding wire—Part 21:Polyester-amide-imide enamelled round copper wire,class 200 GB/T 6109.22-2008 Enamelled round winding wire—Part 22:Aromatic polyimide enamelled round copper wire,class 240 GB/T 6109.22-2025 Enamelled round winding wire—Part 22:Aromatic polyimide enamelled round copper wire,class 240 GB/T 6109.23-2008 Enamelled round winding wire—Part 23:Solderable polyurethane enamelled round copper wire,class 180 GB/T 6109.23-2025 Enamelled round winding wire—Part 23:Solderable polyurethane enamelled round copper wire,class 180 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 9124.1-2019 Steel pipe flanges—Part 1:PN designated GB/T 9440-1988 Malleable iron castings GB/T 9440-2010 Malleable iron castings GB/T 10125-1997 Corrosion tests in artificial atmospheres—Salt spray tests GB/T 10125-2012 Corrosion tests in artificial atmospheres—Salt spray tests GB/T 10125-2021 Corrosion tests in artificial atmospheres—Salt spray tests 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 14536.1-2022 Automatic electrical controls—Part 1:General requirements 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 17213.2-2005 Industrial-process control valves—Part 2-1:Flow capacity—Sizing equations for fluid flow under installed conditions GB/T 17213.2-2017 Industrial-process control valves—Part 2-1:Flow capacity—Sizing equations for fluid flow under installed conditions GB/T 21465-2008 Terminology for valves GB/T 23658-2009 Elastomeric seals—Material requirement for seals used in pipes and fittings carrying gaseous fuels and hydricarbon fluid GB/T 30597-2014 General requirements of safety and control devices for gas burners and gas-burning appliances GB/T 32247-2015 Ferritic ductile iron castings suitable for low temperature service GB 50058-2014 Code for design of electrical installations in explosive atmospheres JB/T 106-2024 JB/T 106-2024 - Valve labeling and painting JB/T 106-2004 Valves marking and paint 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