GB/T 12236-2025 Active National standards

GB/T 12236-2025 Steel swing check valve for petroleum,petrochemical and allied industries

GB/T 12236-2025 Steel swing check valve for petroleum,petrochemical and allied industries

Publish Date: 2025-10-31 Implement Date: 2026-05-01 For services related to genuine standard inquiry, procurement, translation, and other related services in China, please Contact Us

Basic Information

Standard Code: GB/T 12236-2025
Standard Type: National standards
Standard Status: Active
is_force_gb: no
CCS Name: \nValve
ICS Name: Check valve
Publish Date: 2025-10-31
Implement Date: 2026-05-01
Publisher: 国家市场监督管理总局、国家标准化管理委员会
Technical Committee: 全国阀门标准化技术委员会(SAC/TC 188)
Pages: 24 pages

Scope

本文件规定了钢制旋启式止回阀的结构型式、技术要求、材料、试验方法、检验规则、标志及防护、包装、运输和贮存。
本文件适用于公称尺寸DN50~DN1 200且公称压力PN16~PN400,公称尺寸NPS2~NPS48且公称压力Class150~Class2 500,适用温度-29 ℃~550 ℃,适用介质为石油、化工、天然气及相关制品的螺栓连接阀盖、压力自紧密封阀盖端部法兰连接或焊接的钢制旋启式止回阀的设计、生产与检验。

Development Information

Drafting Units:

上海良工阀门厂有限公司、合肥通用机械研究院有限公司、浙江石化阀门有限公司、江苏亿阀股份有限公司、国家管网集团西南管道有限责任公司、保一集团有限公司、上海美科阀门有限公司、良固阀门集团股份有限公司、慎江阀门有限公司、上海市特种设备监督检验技术研究院、成都乘风阀门有限责任公司、立信阀门集团有限公司、杭州春江阀门有限公司、河南泉舜流体控制科技有限公司、合肥通安工程机械设备监理有限公司、凯斯通阀门有限公司、君品集团有限公司、精工阀门集团有限公司、杭州市特种设备检验科学研究院(杭州市特种设备应急处置中心)、四川精控阀门制造有限公司、方圆阀门集团有限公司、上海晟江机械设备有限公司、江苏江沅机械有限公司、江苏明通福路流体控制设备有限公司、盐城奥凯明通阀门有限公司、江苏腾龙石化机械有限公司、兰州高压阀门有限公司、远大阀门集团有限公司、安徽省屯溪高压阀门股份有限公司、宣达实业集团有限公司、维都利阀门有限公司、济南迈克阀门科技有限公司、四川飞球(集团)有限责任公司、浙江瑞通阀门有限公司、双达阀门股份有限公司、兴伟阀门集团有限公司、中阀控股(集团)有限公司、山东威玛流体控制系统有限公司、国工控股集团有限公司、泰钢合金(中山)有限公司、航大阀门集团有限公司、浙江奥德华科技股份有限公司、苏州科迪流体控制设备有限公司

Drafting Persons:

杨恒、明友、项光武、钱玉峰、古丽、邹丽、张晓忠、康世屏、潘渊博、夏季、叶际涵、符明海、刘子立、潘道德、柴为民、张旭锋、马向峰、杨跃苗、林久良、杨杰、陈涛、黄刚、康昭钟、叶礼泉、韩欣霖、杨洋、丁学峰、戴义明、陈文鑫、刘秀杰、王飞、叶群策、夏崇茅、黄永红、朱永平、朱华峰、葛绍策、王建和、陈星、张明明、余金立、孙志标、姜振光、吴刚慧、查正志

Word Count: 40 Thousand words Pages: 24 pages

Replace the following standards

Referenced Standards

GB/T 150.3-2011 Pressure vessels—Part 3:Design GB/T 150.3-2024 Pressure vessels—Part 3:Design GB/T 150.4-2011 Pressure vessels—Part 4:Fabrication,inspection and testing,and acceptance GB/T 150.4-2024 Pressure vessels—Part 4:Fabrication,inspection and testing,and acceptance GB/T 196-2003 General purpose metric screw threads—Basic dimensions GB/T 196-2025 General purpose metric screw threads—Basic dimensions GB/T 197-2003 General purpose metric screw threads—Tolerances GB/T 197-2018 General purpose metric screw threads—Tolerances GB/T 228.1-2010 Metallic materials—Tensile testing—Part 1:Method of test at room temperature GB/T 228.1-2021 Metallic materials—Tensile testing—Part 1:Method of test at room temperature GB/T 6175-2000 Hexagon nuts,style 2 GB/T 6175-2016 Hexagon nuts,style 2 GB/T 9124-2000 Specification for steel pipe flanges GB/T 9124-2010 Specification for steel pipe flanges GB/T 9124.1-2019 Steel pipe flanges—Part 1:PN designated GB/T 9124.2-2019 Steel pipe flanges—Part 2:Class designated 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 12228-1989 General purpose industrial valves—Specification of carbon steel forgings GB/T 12228-2006 General purpose industrial valves—Specification of carbon steel forgings GB/T 12228-2025 General purpose industrial valves—Technical specification for carbon steel forgings 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 26480-2011 Valve inspection and testing GB/T 26481-2011 Valve test for fugitive emissions GB/T 26481-2022 Industrial valves test for fugitive emissions GB/T 40079-2021 Classification system and qualification procedures for fugitive emission type testing of valves HG/T 20592 HG/T 20615 JB/T 106-2024 JB/T 106-2024 - Valve labeling and painting JB/T 106-2004 Valves marking and paint 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 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 SY/T 0599-2018 Natural gas ground facilities technical specifications for metal materials that resist sulfide stress cracking and stress corrosion cracking SY/T 0599-2006 The metal materials for natural gas ground facilities require resistance to sulfide stress cracking and stress corrosion cracking SY/T 0599-1997 Natural gas surface facilities require metal materials that are resistant to sulfide stress cracking

Related Standards

Contact Us