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GB/T 19228.1-2024: Stainless steel press-fitting assemblies - Part 1: Press-fittings
Status: Valid GB/T 19228.1: Evolution and historical versions
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| GB/T 19228.1-2024 | English | 769 |
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Stainless steel press-fitting assemblies - Part 1: Press-fittings
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GB/T 19228.1-2024
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| GB/T 19228.1-2011 | English | 599 |
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Stainless steel press-fitting assemblies -- Part 1: Press-fittings
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GB/T 19228.1-2011
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| GB/T 19228.1-2003 | English | 919 |
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Stainless steel press fittings
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GB/T 19228.1-2003
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PDF similar to GB/T 19228.1-2024
Basic data | Standard ID | GB/T 19228.1-2024 (GB/T19228.1-2024) | | Description (Translated English) | Stainless steel press-fitting assemblies - Part 1: Press-fittings | | Sector / Industry | National Standard (Recommended) | | Classification of Chinese Standard | J15 | | Classification of International Standard | 23.040.60 | | Word Count Estimation | 38,342 | | Date of Issue | 2024-09-29 | | Date of Implementation | 2025-04-01 | | Older Standard (superseded by this standard) | GB/T 19228.1-2011 | | Issuing agency(ies) | State Administration for Market Regulation, China National Standardization Administration | GB/T 19228.1-2024: Stainless steel press-fitting assemblies - Part 1: Press-fittings---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.
ICS 23.040.60
CCSJ15
National Standard of the People's Republic of China
Replaces GB/T 19228.1-2011
Stainless steel compression fittings
Part 1.Compression fittings
Released on 2024-09-29
2025-04-01 Implementation
State Administration for Market Regulation
The National Standardization Administration issued
Table of Contents
Preface III
Introduction IV
1 Scope 1
2 Normative references 1
3 Terms and Definitions 1
4 Classification and labeling 1
5 Structural types and sizes of pipe fittings 3
6 Technical Requirements 20
7 Test methods 22
8 Test 26
9 Packaging, transportation and storage 28
Appendix A (Normative) Additional requirements for O-rings for stainless steel compression fittings 29
Appendix B (Normative) Additional requirements for thin-walled stainless steel pipes used for stainless steel compression fittings 30
Appendix C (Informative) Dimensions of jaws for compression tools for S-type stainless steel compression fittings 31
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 for standardization documents"
Drafting.
This document is Part 1 of GB/T 19228 "Stainless steel press fittings".
GB/T 19228 has published the following parts.
--- Part 1.Compression fittings;
--- Part 2.Thin-walled stainless steel pipes for connection;
--- Part 3.O-rings.
This document replaces GB/T 19228.1-2011 "Stainless steel compression fittings Part 1.Compression fittings" and GB/T 19228.1-
Compared with.2011, in addition to editorial changes, the main technical changes are as follows.
a) The nominal pressure range has been changed to not more than PN25 (see Chapter 1, Chapter 1 of the.2011 edition);
b) Delete the dimensions of S-type pipe fittings and D-type pipe fittings II series (see Table 3 and Table 4 of the.2011 edition);
c) The sizes of the European standard series of S-type pipe fittings (still referred to as S-type II series in this document) have been added (see Table 3);
d) The length LΔ from the socket end of the S-type pipe fitting to the center of the sealing ring is increased (see Table 3);
e) Added the structural type and basic dimensions of compression flange joints (see 5.11);
f) The content of the temperature change (hot and cold water cycle) test has been changed (see 7.6.4, 7.6 of the.2011 edition);
g) Added Appendix A to set additional requirements for O-rings used in stainless steel compression fittings (see Appendix A);
h) Added Appendix B Additional requirements for thin-walled stainless steel pipes used for stainless steel press fittings (see Appendix B).
Please note that some of the contents of this document may involve patents. The issuing organization of this document does not assume the responsibility for identifying patents.
This document was proposed by the China Machinery Industry Federation.
This document is under the jurisdiction of the National Technical Committee for Standardization of Pipeline Accessories (SAC/TC237).
This document was drafted by. China Machinery Productivity Promotion Center Co., Ltd., Meide Yachang Group Co., Ltd., China Architecture Design & Research Institute
Ltd., Wuxi Jinyang Pipe Fittings Co., Ltd., Zhejiang Zhengkang Industrial Co., Ltd., Chengdu Gongtong Pipe Industry Group Co., Ltd., Zhejiang Fu
Lant Co., Ltd., Cangzhou Sanqing Industry and Trade Co., Ltd., Vigus (Shanghai) Fluid Technology Co., Ltd., Minle Pipe Industry (Jiangmen) Co., Ltd.,
Jiangsu Yinyang Stainless Steel Pipe Co., Ltd., Zhejiang Zhengtong Pipe Co., Ltd., Xinxing Casting Pipe Co., Ltd., Guangzhou Meiya Co., Ltd.
Jiangsu Baodi Pipe Industry Co., Ltd., Anhui Jinwei Pipe Industry Co., Ltd., Ningbo Mingyang Stainless Steel Pipe Industry Co., Ltd., Jiangsu Daocheng Stainless Steel Pipe
Co., Ltd., Zhejiang Jinzhou Pipeline Technology Co., Ltd., Wuhan Jinniu Stainless Steel Pipeline Technology Co., Ltd., Foshan Henghexin Pipeline Industry
Co., Ltd., Guangdong Shuangxing New Materials Group Co., Ltd., Wuxi Zhongyang Metal Products Co., Ltd., Hefei Guanyisheng Stainless Steel Pipe Co., Ltd.
Co., Ltd., Viega (China) Piping Systems Co., Ltd., China Building Metal Structure Association, Yanqi Lake Basic Manufacturing Technology Research Institute (Beijing) Co., Ltd.
Company, Shanghai Yongtong Pipe Industry Co., Ltd., Shanghai Sansheng Health Technology Co., Ltd., and Zhejiang Compass Fluid Technology Co., Ltd.
The main drafters of this document are. Li Junying, Wang Lan, Feng Feng, Zhao Li, Chen Weidong, Gao Shenghua, Cao Yu, Yu Tengzhong, Wen Changhong, Mou Haifeng,
Zhang Zhongming, Shen Feng, Li Tieliang, Li Shenghai, Xu Zhihua, Hu Fei, Yang Xin, Yu Dongxu, Zhou Zhilong, Chen Jianhua, Dong Bobo, Lü Chunrong, Huo Canhui,
Sun Zhigang, Wei Shengli, Yang Weifang, Zhu Xiangyong, Yu Xiutao, Liu Yongwang, Zhang Hongbin, Wang Xiaojuan, Deng Haiwen, Sheng Bin, and Gong Yueqiang.
The previous versions of this document and the documents it replaces are as follows.
---This document was first published in.2003 and revised for the first time in.2011;
---This is the second revision.
Introduction
GB/T 19228 "Stainless Steel Press Fittings" is a standard that guides the design, manufacture, inspection and
The national standard used consists of three parts.
--- Part 1.Pressed fittings. The purpose is to determine the classification and marking, structural type and size, technical specifications of stainless steel press fittings.
Technical requirements, tests, inspections, packaging, transportation and storage.
--- Part 2.Thin-walled stainless steel pipes for connection. The purpose is to determine the order of thin-walled stainless steel pipes for stainless steel press fittings.
Contents of goods, dimensions and tolerances, weight, technical requirements, inspection, marking and marking, as well as packaging and storage.
--- Part 3.O-rings. The purpose is to determine the type and size of O-rings for stainless steel compression fittings.
Dimension series, requirements, tests and inspections, inspection rules, marking, packaging, storage and transportation.
Stainless steel compression fittings
Part 1.Compression fittings
1 Scope
This document specifies the classification and marking, structural type and size, technical requirements, testing,
Inspection, packaging, transportation and storage, etc.
This document is applicable to domestic drinking water, piped drinking water, drainage,
Design, manufacture and acceptance of compression fittings for stainless steel pipelines such as domestic hot water, cold water, sea water, gas, and medical gas.
2 Normative references
The contents of the following documents constitute essential clauses of this document through normative references in this document.
For referenced documents without a date, only the version corresponding to that date applies to this document; for referenced documents without a date, the latest version (including all amendments) applies to
This document.
GB/T 191 Pictorial markings for packaging, storage and transportation
GB/T 713.7 Steel plates and strips for pressure equipment Part 7.Stainless steel and heat-resistant steel
GB/T 2100 General purpose corrosion resistant steel castings
GB/T 3280 Stainless steel cold-rolled steel sheets and strips
GB/T 4237 Stainless steel hot-rolled steel plates and strips
GB/T 4334-2020 Corrosion of metals and alloys - Intergranular corrosion test of austenitic and ferrite-austenitic (duplex) stainless steel
method
GB/T 7306.1 55° sealing pipe thread Part 1.Cylindrical internal thread and conical external thread
GB/T 9124.1 Steel pipe flanges Part 1.PN series
GB/T 10125 Artificial atmosphere corrosion test Salt spray test
GB/T 17219 Safety evaluation standard for drinking water transmission and distribution equipment and protective materials
GB/T 19228.2 Stainless steel compression fittings Part 2.Thin-walled stainless steel pipes for connection
GB/T 19228.3-2012 Stainless steel compression fittings Part 3.O-rings
3 Terms and definitions
The following terms and definitions apply to this document.
3.1
Press-jointing
A method of connecting pipes with socket fittings equipped with special sealing rings, and using special tools to press the pipe openings to seal and tighten.
According to the end structure compression connection method, it can be divided into S type and D type.
4 Classification and labeling
4.1 Types, styles and codes of pipe fittings
4.1.1 Pipe fittings are divided into two categories according to the socket end connection method.
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