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GB/T 13295-2019

标准搜索结果: 'GB/T 13295-2019'
标准号码内文价格(元)第2步交付天数标准名称状态
GB/T 13295-2019 英文版 RFQ 询价 有增值税发票,[PDF]天数 <=3 水及燃气用球墨铸铁管、管件和附件 有效

   
标准编号: GB/T 13295-2019 (GB/T13295-2019)
中文名称: 水及燃气用球墨铸铁管、管件和附件
英文名称: Ductile iron pipes, fittings and accessories for water or gas applications
行业: 国家标准 (推荐)
中标分类: H48
国际标准分类: 23.040.10; 23.040.40
字数估计: 114,113
发布日期: 2019-12-10
实施日期: 2020-04-01
起草单位: 新兴铸管股份有限公司、圣戈班管道系统有限公司、冶金工业信息标准研究院、高平市泫氏铸管有限公司、安徽恒生科技发展集团有限公司、中国市政工程华北设计研究总院有限公司、中冶建筑研究总院有限公司
归口单位: 全国钢标准化技术委员会(SAC/TC 183)
提出机构: 中国钢铁工业协会
发布机构: 国家市场监督管理总局、中国国家标准化管理委员会

GB/T 13295-2019
(Ductile iron pipes, fittings and accessories for water and gas)
ICS 23.040.10;23.040.40
H48
中华人民共和国国家标准
代替GB/T 13295-2013
水及燃气用球墨铸铁管、管件和附件
(ISO 2531:2009,Ductileironpipes,fittings,accessoriesandtheir
2019-12-10发布
2020-04-01实施
国 家 市 场 监 督 管 理 总 局
国 家 标 准 化 管 理 委 员 会 发 布
目次
前言 Ⅲ
1 范围 1
2 规范性引用文件 1
3 术语和定义 2
4 技术要求 5
4.1 总则 5
4.2 压力、壁厚分级和尺寸要求 7
4.3 材料性能 12
4.4 外涂层与内衬 13
4.5 标记 14
5 密封要求 14
5.1 管和管件 14
5.2 柔性接口 14
5.3 铸造、螺纹连接、焊接和松套法兰接口 16
6 试验方法 17
6.1 尺寸 17
6.2 管的直线度 18
6.3 拉伸试验 18
6.4 布氏硬度 20
6.5 管和管件的工厂密封试验 20
6.6 涂层和内衬 21
7 型式试验 22
7.1 总则 22
7.2 内压力下接口密封 22
7.3 外压力下接口密封 22
7.4 负内压下接口密封 23
7.5 循环压力下接口密封 23
7.6 法兰接口的密封性和机械应力 23
8 工厂检验与质量证明书 24
8.1 检查和验收 24
8.2 组批规则 24
8.3 取样数量 24
8.4 质量证明书 24
9 尺寸表 25
9.1 承插管 25
9.2 法兰接口管 28
9.3 承接管件 28
9.4 盘接管件 66
附录A(资料性附录) 本标准章条编号与ISO 2531:2009章条编号对照 83
附录B(资料性附录) 本标准与ISO 2531:2009技术性差异及其原因 86
附录C(资料性附录) 允许压力 89
附录D(资料性附录) 压力等级管的尺寸 92
附录E(规范性附录) 管的壁厚、径向刚度和径向变形 94
附录F(资料性附录) 外部防腐 101
附录G(资料性附录) 内部防腐 102
附录H (资料性附录) 安全系数 103
附录I(规范性附录) 质量保证 104
附录J(资料性附录) 凝水缸 105
参考文献 108
前言
本标准按照GB/T 1.1-2009给出的规则起草。
本标准代替GB/T 13295-2013《水及燃气管道用球墨铸铁管、管件和附件》,与 GB/T 13295-
2013相比,主要技术变化如下:
---修改了部分术语和定义的描述;
---压力分级管适用范围扩展至DN2600以下规格;
---增加了DN2800、DN3000规格球墨铸铁管的相关要求;
---修改了压力分级管的锌层喷涂重量要求;
---增加了循环压力下接口密封型式试验的要求;
---管件中承插单支承、承插单支盘的壁厚级别调整为K12。
本标准使用重新起草法修改采用ISO 2531:2009《输水用球墨铸铁管、管件、附件及其接口》。
本标准与ISO 2531:2009相比在结构上有较多调整,附录A列出了本标准与ISO 2531:2009的章
条编号对照一览表。
本标准与ISO 2531:2009相比存在技术性差异,这些差异涉及的条款已通过在其外侧页边空白位
置的垂直单线(∣)进行了标示,附录B中给出了本标准与ISO 2531:2009技术性差异及其原因一览表
以供参考。
本标准做了下列编辑性修改:
---将标准名称修改为《水及燃气用球墨铸铁管、管件和附件》。
本标准由全国钢标准化技术委员会(SAC/TC183)归口。
本标准起草单位:新兴铸管股份有限公司、圣戈班管道系统有限公司、冶金工业信息标准研究院、高
平市泫氏铸管有限公司、安徽恒生科技发展集团有限公司、中国市政工程华北设计研究总院有限公司、
中冶建筑研究总院有限公司。
本标准主要起草人:李成章、李军、申勇、王嵩、孙恕、侯捷、苻坚、何根、丁宝华、汪良美、董建忠、
李华成、周岩、王敬玉、刘延学、董莉、王启、王俊杰、叶卫合、李健武、李晓亮。
本标准所代替标准的历次版本发布情况为:
---GB/T 13294-1991;
---GB/T 13295-1991、GB/T 13295-2003、GB/T 13295-2008、GB/T 13295-2013。
1 范围
本标准规定了经任何类型铸造工艺加工或由铸铁部件装配而成的水及燃气用球墨铸铁管、管件、附
件及其接口的术语和定义、技术要求、试验方法、尺寸和公差、检验规则与质量证明书等,也给出了接口
部件的型式试验要求。
本标准适用于包含有承口、插口或法兰,一般以内部和外部涂覆状态交货的管、管件、附件及其接
口,尺寸范围为DN40~DN3000,流体温度为0℃~50℃,适用范围如下:
---用于各种用途不同类型水的输送;
---有压或无压输送;
---地下或地上铺设;
本标准不适用于输送冰点以下温度(这并不排除产品用于较高温度)的流体。
管和管件依据允许工作压力或壁厚进行分级。
注:本标准中所有压力均为相对压力,单位为兆帕(MPa)。
2 规范性引用文件
下列文件对于本文件的应用是必不可少的。凡是注日期的引用文件,仅注日期的版本适用于本文
件。凡是不注日期的引用文件,其最新版本(包括所有的修改单)适用于本文件。
GB/T 41-2016 1型六角螺母C级(ISO 4034:2012,MOD)
GB/T 95 平垫圈C级(GB/T 95-2002,ISO 7091:2000,IDT)
GB/T 228.1 金属材料 拉伸试验 第1部分:室温试验方法(GB/T 228.1-2010,ISO 6892-1:
GB/T 231.1 金属材料 布氏硬度试验 第1部分:试验方法(GB/T 231.1-2018,ISO 6506-1:
2014,MOD)
GB/T 5780-2016 六角头螺栓C级(ISO 4016:2011,MOD)
GB/T 17219 生活饮用水输配水设备及防护材料的安全性评价标准
GB/T 17241.6 整体铸铁法兰
GB/T 17456.1 球墨铸铁管外表面锌涂层 第1部分:带终饰层的金属锌涂层(GB/T 17456.1-
2009,ISO 8179-1:2004,IDT)
GB/T 17456.2 球墨铸铁管外表面锌涂层 第2部分:带终饰层的富锌涂料涂层(GB/T 17456.2-
2010,ISO 8179-2:1995,MOD)
MOD)
GB/T 17671 水泥胶砂强度检验方法(ISO 法)(GB/T 17671-1999,idtISO 679:1989)
GB/T 21873 橡胶密封件 给、排水管及污水管道用接口密封圈 材料规范(GB/T 21873-
2008,ISO 4633:2002,MOD)
GB/T 32488 球墨铸铁管和管件 水泥砂浆内衬密封涂层(GB/T 32488-2016,ISO 16132:

GB/T 13295-2019
(Ductile iron pipes, fittings and accessories for water and gas)
ICS 23.040.10; 23.040.40
H48
National Standards of People's Republic of China
Replaces GB/T 13295-2013
Ductile iron pipes, fittings and accessories for water and gas
Ductileironpipes, fittings andaccessoriesforwaterorgasapplications
(ISO 2531..2009, Ductileironpipes, fittings, accessoriesandtheir
jointsforwaterapplications, MOD)
2019-12-10 release
2020-04-01 implementation
State Administration of Market Supervision
Published by the National Standardization Management Committee
Contents
Foreword III
1 range 1
2 Normative references 1
3 Terms and definitions 2
4 Technical requirements 5
4.1 General 5
4.2 Pressure, wall thickness classification and size requirements 7
4.3 Material properties 12
4.4 Outer coatings and linings 13
4.5 Marker 14
5 Sealing requirements 14
5.1 Pipes and fittings 14
5.2 Flexible Interface 14
5.3 Cast, threaded, welded, and loose flange flange connections 16
6 Test method 17
6.1 Size 17
6.2 Tube Straightness 18
6.3 Tensile test 18
6.4 Brinell hardness 20
6.5 Factory seal test for pipes and fittings 20
6.6 Coatings and linings 21
7 Type test 22
7.1 General 22
7.2 Joint seals under internal pressure 22
7.3 Joint seals under external pressure 22
7.4 Joint seal under negative internal pressure 23
7.5 Joint seals under cyclic pressure 23
7.6 Sealing and mechanical stress of flanged joints 23
8 Factory inspection and quality certificate 24
8.1 Inspection and acceptance 24
8.2 Batch Rule 24
8.3 Number of samples 24
8.4 Certificate of Quality 24
9 Size chart 25
9.1 Socket tube 25
9.2 Flange interface tube 28
9.3 Receiving pipe fittings 28
9.4 Disc Fittings 66
Appendix A (informative appendix) Comparison of chapter numbers in this standard with ISO 2531..2009
Appendix B (informative) Technical differences between this standard and ISO 2531..2009 and their causes 86
Appendix C (informative) Allowable pressure 89
Appendix D (informative) Dimensions for pressure grade pipes 92
Appendix E (normative) Wall thickness, radial stiffness, and radial deformation of tubes 94
Appendix F (informative) External corrosion protection 101
Appendix G (informative) Internal corrosion protection 102
Appendix H (informative) Safety factor 103
Appendix I (Normative) Quality Assurance 104
Appendix J (informative) Condensate tank 105
References 108
Foreword
This standard was drafted in accordance with the rules given in GB/T 1.1-2009.
This standard replaces GB/T 13295-2013 `` Nodular cast iron pipes, fittings and accessories for water and gas pipelines '', and GB/T 13295-
Compared with.2013, the main technical changes are as follows.
--- Modified the description of some terms and definitions;
--- The applicable range of pressure grading pipe is expanded to the specifications below DN2600;
--- Modify the zinc coating weight requirements of pressure grading pipes;
--- Increased the requirements for joint seal type tests under cyclic pressure;
--- The wall thickness level of the socket single socket and socket single socket in the pipe fittings is adjusted to K12.
This standard uses the redrafting method to modify and adopt ISO 2531..2009 "Nodular cast iron pipes, fittings, accessories and their interfaces for water transmission."
Compared with ISO 2531..2009, this standard has more structural adjustments.Appendix A lists the chapters of this standard and ISO 2531..2009.
List of article number comparisons.
There are technical differences between this standard and ISO 2531..2009.The clauses related to these differences have passed the margins on the outer margins.
The installed vertical single line (∣) is marked, and a list of the technical differences between this standard and ISO 2531..2009 and their causes is given in Appendix B.
for reference.
--- Amend the standard name to "Ductile iron pipes, fittings and accessories for water and gas".
This standard is proposed by China Iron and Steel Industry Association.
This standard is under the jurisdiction of the National Steel Standardization Technical Committee (SAC/TC183).
This standard was drafted. Xinxing Casting Pipe Co., Ltd., Saint-Gobain Piping Systems Co., Ltd., Metallurgical Industry Information Standards Research Institute, Gao
Pingshi Yanshi Pipe Co., Ltd., Anhui Hengsheng Technology Development Group Co., Ltd., China Municipal Engineering North China Design & Research Institute Co., Ltd.,
MCC Construction Research Institute Co., Ltd.
The main drafters of this standard. Li Chengzhang, Li Jun, Shen Yong, Wang Song, Sun Shu, Hou Jie, Tong Jian, He Gen, Ding Baohua, Wang Liangmei, Dong Jianzhong,
Li Huacheng, Zhou Yan, Wang Jingyu, Liu Yanxue, Dong Li, Wang Qi, Wang Junjie, Ye Weihe, Li Jianwu, Li Xiaoliang.
The previous versions of the standards replaced by this standard are.
--- GB/T 13295-1991, GB/T 13295-2003, GB/T 13295-2008, GB/T 13295-2013.
Ductile iron pipes, fittings and accessories for water and gas
1 Scope
This standard specifies ductile iron pipes, fittings, and accessories for water and gas that are processed by any type of casting process or assembled from cast iron components.
The terms and definitions of components and their interfaces, technical requirements, test methods, dimensions and tolerances, inspection rules and quality certificates, etc. are also given.
Type test requirements for components.
This standard applies to pipes, fittings, accessories and their connections containing sockets, sockets or flanges, which are generally delivered in internal and external coating.
Port, size range is DN40 ~ DN3000, fluid temperature is 0 ℃ ~ 50 ℃, applicable range is as follows.
--- For the transport of different types of water for various purposes;
--- laying underground or above ground;
--- The design pressure is medium pressure A grade and below grade gas (such as artificial gas, natural gas, liquefied petroleum gas, etc.) for transportation.
This standard does not apply to the transport of fluids below freezing (this does not exclude the use of products at higher temperatures).
Pipes and fittings are classified according to allowable working pressure or wall thickness.
Note. All pressures in this standard are relative pressures in megapascals (MPa).
2 Normative references
The following documents are essential for the application of this document. For dated references, only the dated version applies to this article
Pieces. For undated references, the latest version (including all amendments) applies to this document.
GB/T 41-2016 Type 1 Hex Nut C Grade (ISO 4034..2012, MOD)
GB/T 228.1 Tensile test for metallic materials Part 1. Room temperature test method (GB/T 228.1-2010, ISO 6892-1.
(2009, MOD)
GB/T 231.1 Brinell hardness test for metallic materials Part 1. Test method (GB/T 231.1-2018, ISO 6506-1.
(2014, MOD)
GB/T 5780-2016 Hex Head Bolts Class C (ISO 4016..2011, MOD)
GB/T 17219 Safety Evaluation Standards for Drinking Water Distribution Equipment and Protective Materials
GB/T 17241.6 solid cast iron flange
GB/T 17456.1 Zinc coating on the outer surface of ductile iron pipe Part 1. Metal zinc coating with finishing layer (GB/T 17456.1-
2009, ISO 8179-1..2004, IDT)
2010, ISO 8179-2..1995, MOD)
GB/T 17457 Ductile iron pipe and fittings cement mortar lining (GB/T 17457-2019, ISO 4179..2005,
MOD)
GB/T 17671 Cement mortar strength test method (ISO method) (GB/T 17671-1999, idt ISO 679. 1989)
GB/T 21873 Specification for material for joint seals for water supply, drainage and sewage pipes of rubber seals (GB/T 21873-
2008, ISO 4633..2002, MOD)
GB/T 32488 Ductile iron pipe and fittings cement mortar lining sealing coating (GB/T 32488-2016, ISO 16132.
   
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