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GB/T 3747-2008: 24-degree cone connectors -- Weld male
Status: Valid GB/T 3747: Evolution and historical versions
| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | Status | PDF |
| GB/T 3747-2008 | English | 139 |
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3 days [Need to translate]
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24-degree cone connectors -- Weld male
| Valid |
GB/T 3747-2008
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| GB/T 3747.1-1983 | English | 199 |
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2 days [Need to translate]
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Weld male connector-Assembly
| Obsolete |
GB/T 3747.1-1983
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PDF similar to GB/T 3747-2008
Basic data | Standard ID | GB/T 3747-2008 (GB/T3747-2008) | | Description (Translated English) | 24-degree cone connectors -- Weld male | | Sector / Industry | National Standard (Recommended) | | Classification of Chinese Standard | J15 | | Classification of International Standard | 21.060.60 | | Word Count Estimation | 6,624 | | Date of Issue | 2008-05-07 | | Date of Implementation | 2008-11-01 | | Older Standard (superseded by this standard) | GB/T 3747.1-1983; GB/T 3747.2-1983 | | Regulation (derived from) | National Standard Approval Announcement 2008 No.7 (Total No.120) | | Issuing agency(ies) | General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China, Standardization Administration of the People's Republic of China | | Summary | This standard specifies the size of the card sets welded pipe joints and fittings body, marking and technical requirements. This standard applies to the pipe diameter of 6mm ~ 42mm, the maximum working pressure of 10MPa ~ 63MPa hydraulic fluid power and general -purpose pipeline system. | GB/T 3747-2008: 24-degree cone connectors -- Weld male---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.
24-degree cone connectors. Weld male
ICS 21.060.60
J15
National Standards of People's Republic of China
Replacing GB/T 3747.1-1983, GB/T 3747.2-1983
Welded pipe joints card sets
Posted 2008-05-07
2008-11-01 implementation
Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China
Standardization Administration of China released
Foreword
This standard is one bite type pipe fittings series.
8434-1 this standard pipe joint structure type and size ISO .2007 "first metal pipe fittings for fluid power and general use
Part 1. 24 ° compression fittings "(in English) of the relevant part of the basic agreement.
This standard is GB/T 3747.1-1983 "welded pipe joints card sets" and GB/T 3747.2-1983 "card sets of welded joints
Amendment Style ". The main amendments are as follows.
--- The two standard content integration;
--- Modify the English name;
--- The nominal pressure G (250) and J (400) to modify the maximum working pressure of 10MPa ~ 63MPa, and is divided into two lines L and S
Column series product size range of adjustment has been made;
--- Adjust the size of the pipe diameter range, and revised the relevant size;
--- Reducing the parameters should be part of the manufacturer's control;
--- Cancel the weight data;
--- Cancel the marked surface roughness, surface roughness is given in GB/T 3765 "bite type pipe joint technical conditions" in.
Since the implementation of this standard replaces GB/T 3747.1-1983 and GB/T 3747.2-1983.
The standard proposed by China Machinery Industry Federation.
This standard by the National Standardization Technical Committee pipe accessories.
This standard is drafted by. The machine Productivity Promotion Center, Eaton (Ningbo) Co., Ltd. fluid connector.
Participated in the drafting of this standard. Tube Manufacturing Co., Ltd. Haiyan, Jiaxing Mai Site Pipe Manufacturing Co., Ltd., Jianhu particularly good hydraulic tube
Ltd., Zhejiang China Valve Co., Ltd., a high-Bo Haiyan Pipe Fittings Co., Ltd., Haiyan tube Manufacturing Co., Ltd., Jiaozuo City Road
Through hydraulic accessories Limited.
The main drafters of this standard. Zhoushun Hua, Li Weirong, Gengzhi science, Feng Feng, Tao Zhongming, Zuo Jun, Ruanhao Feng, Zhou Jianfei, Xuchang Xiang,
Wang Limin.
This standard replaces the previous standard published case.
--- GB/T 3747.1-1983;
--- GB/T 3747.2-1983.
Welded pipe joints card sets
1 Scope
This standard specifies the dimensions, marking and technical requirements for welded pipe joints card sets and the joint body.
This standard applies to the pipe diameter of 6mm ~ 42mm, maximum working pressure of hydraulic fluid power and general 10MPa ~ 63MPa
Purpose pipeline system.
2 Normative references
The following documents contain provisions which, through reference in this standard and become the standard terms. For dated references, subsequent
Amendments (not including errata content) or revisions do not apply to this standard, however, encourage the parties to the agreement are based on research
Whether the latest versions of these documents. For undated reference documents, the latest versions apply to this standard.
GB/T 3759-2008 bite type pipe joint nuts
GB/T 3764-2008 ferrule
GB/T 3765-2008 bite type tube fittings
3 Dimensions
Card sets of welded pipe joints and fittings shall conform to the dimensions of the body 1, the provisions of Figure 2 and Table 1, the end of the ferrule connector body size should be consistent
GB/T 3764 provisions of.
4 Mark
4.1 labeling method
Card sets of pipe welded joints and the joint body marking methods should be consistent with the provisions of GB/T 3765's.
4.2 tag example
Connector Series L, the pipe diameter of 10mm, surface oxidation treatment of steel welded pipe joints card sets mark.
Fittings GB/T 3747 L10 · O
Connector Series L, the pipe diameter of 10mm, steel welded joint sleeve type surface oxidation treatment is marked.
Joint body GB/T 3747 L10 · O
5 Technical requirements
Technical requirements according to the provisions of GB/T 3765's.
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