GB/T 24918-2010 Cryogenic emergency shutoff valve

GB/T 229-1994 Metallic materials—Charpy notch impact test GB/T 229-2007 Metallic materials—Charpy pendulum impact test method GB/T 229-2020 Metallic materials—Charpy pendulum impact test method GB/T 1047-1995 Nominal size for pipe components GB/T 1047-2005 Pipework components—Definition and selection of DN (nominal size) GB/T 1047-2019 Pipework components—Definition and selection of nominal size GB/T 1048-1990 Nominal pressure for pipe components GB/T 1048-2005 Pipework components—Definition and selection of PN GB/T 1048-2019 Pipework components—Definition and selection of nominal pressure GB/T 1220-1992 Stainless steel bars GB/T 1220-2007 Stainless steel bars GB/T 1222-1984 Spring steel GB/T 1222-2007 Spring steels GB/T 1222-2016 Spring steels GB/T 1222-2025 Spring steels GB/T 4240-1993 Stainless steel wires GB/T 4240-2009 Stainless steel wires GB/T 4240-2019 Stainless steel wires 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 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 12224-1989 General requirements for industrial steel valves GB/T 12224-2005 General requirements for industrial steel valves GB/T 12224-2015 General requirements for industrial steel valves 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 12235-1989 General purpose industrial valves—Flanged steel globe valves and lift check valves GB/T 12235-2007 Steel globe valves and lift check valve for petroleum,petrochemical and allied industries GB/T 12235-2025 Steel globe valves and lift check valve for petroleum,petrochemical and allied industries GB/T 24925-2010 Cryogenic valve technical specifications GB/T 24925-2019 Low temperature valve—Technical specifications JB/T 106-2024 JB/T 106-2024 - Valve labeling and painting JB/T 106-2004 Valves marking and paint JB/T 6697-2023 Agricultural and forestry tractors and machinery electrical equipment basic technical specification JB/T 6697-1993 Tractor electrical equipment basic technical specifications JB/T 6902-2008 Check method for liquid penetration in valves 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 7928-2014 Industrial Valve Supply Requirements JB/T 7928-1999 JBT 7928-1999 General valve Supply requirements JB/T 9218-2007 Non-destructive testing, including penetrant testing