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GB/T 12237-2021: Steel ball valves for petroleum, petrochemical and allied industries
Status: Valid GB/T 12237: Evolution and historical versions
| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | Status | PDF |
| GB/T 12237-2021 | English | 409 |
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4 days [Need to translate]
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Steel ball valves for petroleum, petrochemical and allied industries
| Valid |
GB/T 12237-2021
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| GB/T 12237-2007 | English | 639 |
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3 days [Need to translate]
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Steel ball valves for petroleum, petrochemical and allied industries
| Obsolete |
GB/T 12237-2007
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| GB/T 12237-1989 | English | 439 |
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4 days [Need to translate]
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General purpose industrial valves--Flanged and butt-weld end steel ball valves
| Obsolete |
GB/T 12237-1989
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PDF similar to GB/T 12237-2021
Basic data | Standard ID | GB/T 12237-2021 (GB/T12237-2021) | | Description (Translated English) | Steel ball valves for petroleum, petrochemical and allied industries | | Sector / Industry | National Standard (Recommended) | | Classification of Chinese Standard | J16 | | Word Count Estimation | 22,211 | | Issuing agency(ies) | State Administration for Market Regulation, China National Standardization Administration | GB/T 12237-2021: Steel ball valves for petroleum, petrochemical and allied industries---This is a DRAFT version for illustration, not a final translation. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.) will be manually/carefully translated upon your order.
Steel ball valves for petroleum, petrochemical and allied industries
ICS 23.060.10
CCSJ16
National Standards of People's Republic of China
Replace GB/T 12237-2007
Steel ball valves for petroleum, petrochemical and related industries
Released on 2021-03-09
2021-10-01 implementation
State Administration of Market Supervision and Administration
Issued by the National Standardization Management Committee
Table of contents
Foreword Ⅲ
1 Scope 1
2 Normative references 1
3 Terms and definitions 2
4 Structure type 2
5 Technical requirements 4
5.1 Pressure-temperature ratings 4
5.2 Structure length 5
5.3 Connection 5
5.4 Sphere runner size 6
5.5 Valve body 7
5.6 Connection between valve bodies 8
5.7 Stem anti-falling structure 8
5.8 Stem structure 9
5.9 Sphere 9
5.10 Packing gland and bolt 9
5.11 Conductive static structure 9
5.12 Operating mechanism 9
5.13 Refractory structure 9
5.14 Non-destructive testing 10
5.15 Pressure test of ball valve 10
5.16 Ordering requirements 10
6 Material 10
6.1 Ball valve housing 10
6.2 Ball and valve seat 10
6.3 Valve stem 10
6.4 Connection studs and bolts between valve bodies 11
6.5 Connecting bolts between packing gland and bonnet 11
6.6 Sealing material 11
6.7 Packing gland and packing pressure plate 11
6.8 Screw plug 11
6.9 Handle or handwheel 11
6.10 Resistance to hydrogen sulfide 11
7 Test methods and inspection rules 11
7.1 Test method 11
7.2 Inspection rules 12
8 Sign 13
8.1 Contents of the logo 13
8.2 Marking on the valve body 13
8.3 Signs on the signs 14
8.4 Other marks 14
9 Protection, packaging, storage and transportation 14
Appendix A (Informative) Order Contract Data Sheet 15
Foreword
This document is in accordance with the provisions of GB/T 1.1-2020 "Guidelines for Standardization Work Part 1.Structure and Drafting Rules of Standardization Documents"
Drafting.
This document replaces GB/T 12237-2007 "Steel Ball Valves for Petroleum, Petrochemical and Related Industries", and is consistent with GB/T 12237-2007
Compared with the editorial changes, the main technical changes are as follows.
a) Expanded the scope of application of the ball valve and increased the pound level requirements, increased the applicable structure and applicable temperature requirements (see Chapter 1,.2007
Chapter 1 of the Year Edition);
b) The requirements for overpressure in the valve body cavity have been added (see 5.1.3);
c) Modified the minimum cross-sectional area requirements for the connection between the valve bodies (see 5.6.8, 5.6.6 in the.2007 edition);
d) The stuffing box requirement (5.12.2 of the.2007 edition) has been deleted;
e) The limit requirements of the operating mechanism have been added (see 5.12.3);
f) The material requirements have been revised (see Chapter 6, Chapter 6 of the.2007 edition).
Please note that some of the contents of this document may involve patents. The issuing agency of this document is not responsible for identifying patents.
This document was proposed by China Machinery Industry Federation.
This document is under the jurisdiction of the National Valve Standardization Technical Committee (SAC/TC188).
This document was drafted by. Hefei General Machinery Research Institute Co., Ltd., China Nuclear Suvalve Technology Industrial Co., Ltd., Suzhou Neway Valve
Co., Ltd., Special Valve Group Co., Ltd., Shanghai Electric Valve Co., Ltd., Zhejiang Bethel Technology Co., Ltd., Shenjiang Valve
Door Co., Ltd., Aogong Valve Co., Ltd., Sichuan Feiqiu (Group) Co., Ltd., Chengdu Chenggao Valve Co., Ltd., Sichuan Jingkong Valve
Manufacturing Co., Ltd., Jiangsu Shentong Valve Co., Ltd., Kairuite Valve Industry Co., Ltd., Zhejiang Petrochemical Valve Co., Ltd., Jiangsu Suyan Valve
Door Machinery Co., Ltd., Shanghai Hugong Valve Factory (Group) Co., Ltd., Jiangsu Chenggong Valve Technology Co., Ltd., Sifron Valve Group Co., Ltd.
Company, Shanghai High and Medium Pressure Valve Co., Ltd., Jiangsu Shengtai Valve Co., Ltd., Nanjing Solid High and Medium Pressure Valve Manufacturing Co., Ltd., Yonglong
Valve Co., Ltd., Crete Group Co., Ltd., Shangzheng Valve Group Co., Ltd., Zigong Zigao Valve Co., Ltd., Kaiximu Valve Co., Ltd.
Company, Datong Mutual Group Co., Ltd., Jiangsu Qinghai Petroleum Machinery Co., Ltd., Shanghai Kaike Valve Manufacturing Co., Ltd., Yuanda Valve Group
Co., Ltd., Xuanda Industrial Group Co., Ltd., Global Valve Group Co., Ltd., Tianjin Baili Zhanfa Group Co., Ltd., Weiduli Valve has
Co., Ltd., Henan Gaoshan Valve Co., Ltd., Zhejiang Tiansheng Valve Co., Ltd., Liangzheng Valve Co., Ltd., Zhejiang Yongyuan Valve Co., Ltd.
Company, Lianggong Valve Group Co., Ltd., Fangyuan Valve Group Co., Ltd., Shanghai Shuanggao Valve (Group) Co., Ltd., Ennis Valve Group
Co., Ltd., Jiangsu Yandian Valve Co., Ltd., Wenzhou Pingtel Control Equipment Co., Ltd., Tanggong Valve Group Co., Ltd., Chengdu Chuanlizhi
Energy Fluid Equipment Co., Ltd., Jiangsu Sino-Ocean Valve Intelligent Control Co., Ltd., Keystone Valve Co., Ltd., Shanghai Keke Valve Group
Co., Ltd., Ovike Group Co., Ltd.
The main drafters of this document. Wang Xiaojun, Zhou Yu, Gao Kaike, Wu Xianjin, Cai Shoulian, Hu Daozhong, Ye Xunliang, Zhi Zuochang, Zhang Xiongjie,
Zhu Yongping, Zeng Pinqi, Liu Peijian, Zhang Qingshuang, Peng Yulin, Xue Hongquan, Han Zhenghai, Yang Xiongjun, Chen Shuanghe, Chen Weibin, Deng Jilin, Yan Tao,
Wang Junxian, Yu Jinxian, Ma Lei, Zhao Andong, Gu Caili, Zhang Chengxuan, Cai Tianzhi, Han Wenhao, Wang Hong, Du Libo, Chen Xiaoping, Wu Guangzhong, Dai Zhanwei,
Wang Xuefeng, Yang Quanqing, Qian Zhongyi, Sun Ning, Li Haiping, Zhang Peng, Zhang Rongwei, Li Guoxiang, Huang Guangwen, Ma Zhengping, Ji Zhongxian, Xiang Ce, Hou Bozhong,
Yu Jingui, Teng Xinting, Wu Binbin, Shao Liping, Hu Jiantian.
The previous versions of this document and the documents replaced are as follows.
---First published in 1989 as GB/T 12237-1989, first revised in.2007;
---This is the second revision.
Steel ball valves for petroleum, petrochemical and related industries
1 Scope
This document specifies the structural type, technical requirements, materials, and test methods of steel ball valves with elastic seals for petroleum, petrochemical and related industries
And inspection rules, signs, protection, packaging, storage and transportation.
This document applies to.
---Flange connection end and butt welding connection end of the ball valve, nominal pressure PN16~PN100, nominal size DN15~DN600, pressure
Class150~Class600, nominal size NPS⅟~NPS24;
---Ball valve with threaded connection end and socket welding connection end, nominal pressure PN16~PN140, nominal size DN8~DN50, pressure, etc.
Class 150~Class800, nominal size NPS⅟~NPS2;
---Full-bore and reduced-diameter ball valves, floating ball structure and fixed ball structure ball valve;
---Applicable temperature -46℃~260℃.
The ball valve of the metal and ceramic material sealing pair can be implemented by reference.
2 Normative references
The contents of the following documents constitute the indispensable clauses of this document through normative references in the text. Among them, dated quotations
Only the version corresponding to that date is applicable to this document; for undated reference documents, the latest version (including all amendments) is applicable to
This document.
GB/T 150.4 Pressure Vessel Part 4.Manufacturing, Inspection and Acceptance
GB/T 152.4 Fasteners with counterbore for hexagon head bolts and hexagon nuts
GB/T 196 Basic size of ordinary thread
GB/T 197 Common thread tolerance
GB/T 228.1 Tensile Test of Metallic Materials Part 1.Room Temperature Test Method
GB/T 7306.2 55° Sealed Pipe Thread Part 2.Conical Internal Thread and Conical External Thread
GB/T 9124 (all parts) steel pipe flanges
GB/T 12220 Industrial valve mark
GB/T 12221 Metal valve structure length
GB/T 12223 Part-turn valve drive connection
GB/T 12224 General requirements for steel valves
GB/T 12228 Technical requirements for carbon steel forgings for general purpose valves
GB/T 12229 General Valve Carbon Steel Casting Technical Conditions
GB/T 12230 General Valve Stainless Steel Casting Technical Conditions
GB/T 20801.5 Pressure Piping Specification Industrial Piping Part 5.Inspection and Test
GB/T 26479 Fire resistance test of elastic sealing part-turn valve
GB/T 26480 Inspection and testing of valves
GB/T 35741 Technical requirements for stainless steel forgings for industrial valves
JB/T 106 valve marking and painting
SY/T 7024 Technical specification for on-site hardness inspection of metal materials in high hydrogen sulfide fields
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