GB/T 3747-2008 English PDF

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GB/T 3747-2008: 24-degree cone connectors -- Weld male
Status: Valid

GB/T 3747: Historical versions

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
GB/T 3747-2008	139	Add to Cart	3 days	24-degree cone connectors -- Weld male	Valid
GB/T 3747.1-1983	199	Add to Cart	2 days	Weld male connector-Assembly	Obsolete

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GB/T 1048   GB/T 1047   GB/T 4622.1   GB/T 3738   GB/T 3739   GB/T 3737   

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Older Standard (superseded by this standard): GB/T 3747.1-1983; GB/T 3747.2-1983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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