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GB/T 3740-2008 English PDF

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GB/T 3740-2008: 24-degree cone connectors -- Union elbow
Status: Valid

GB/T 3740: Evolution and historical versions

Standard IDContents [version]USDSTEP2[PDF] delivered inStandard Title (Description)StatusPDF
GB/T 3740-2008English139 Add to Cart 3 days [Need to translate] 24-degree cone connectors -- Union elbow Valid GB/T 3740-2008
GB/T 3740.1-1983English199 Add to Cart 2 days [Need to translate] Union elbow--Assembly Obsolete GB/T 3740.1-1983

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Basic data

Standard ID GB/T 3740-2008 (GB/T3740-2008)
Description (Translated English) 24-degree cone connectors -- Union elbow
Sector / Industry National Standard (Recommended)
Classification of Chinese Standard J15
Classification of International Standard 21.060.60
Word Count Estimation 6,696
Date of Issue 2008-05-07
Date of Implementation 2008-11-01
Older Standard (superseded by this standard) GB/T 3740.1-1983; GB/T 3740.2-1983
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 card sets elbow pipe joints and fittings body size, marking and technical requirements. This standard applies to pipe outside diameter 4mm ~ 42mm, the maximum working pressure of 10MPa ~ 63MPa hydraulic fluid power and general -purpose pipeline system.

GB/T 3740-2008: 24-degree cone connectors -- Union elbow

---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. Union elbow ICS 21.060.60 J15 National Standards of People's Republic of China Replacing GB/T 3740.1-1983, GB/T 3740.2-1983 Card sets elbow fittings 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 3740.1-1983 "bite type tube fittings" and GB/T 3740.2-1983 "card sets ELBOW Amendment Style ". The main amendments are as follows. --- The two standard content integration; --- Modified Chinese and English name; --- The nominal pressure G (250) and J (400) to modify the maximum working pressure of 10MPa ~ 63MPa, and is divided into LL, L and S three Series, series product size range of adjustment has been made; --- The joint body size wrench to forging and machining two types; --- 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 3740.1-1983 and GB/T 3740.2-1983. 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, Haiyan Pipe Manufacturing Co., Ltd., Zhejiang Huaxia Valve Co., Ltd. Participated in the drafting of this standard. Eaton (Ningbo) fluid connector Ltd., Jiaxing Mai Site Pipe Manufacturing Co., Ltd., Jianhu special Jia Hydraulic Fittings Co., Ltd., a high-Bo Haiyan Pipe Co., Ltd., Haiyan tube Manufacturing Co., Ltd., Jiaozuo City, has lead to the hydraulic attachment Limited. The main drafters of this standard. Gengzhi school, Li Weirong, Zhou Shunhua, Feng Feng, Chen Zhanji, Tao Zhongming, Zuo Jun, Ruanhao Feng, Zhou Jianfei, Wang Limin. This standard replaces the standards previously issued as follows. --- GB/T 3740.1-1983, GB/T 3740.2-1983. Card sets elbow fittings

1 Scope

This standard specifies the bite type elbow pipe dimensions, marking and technical requirements of the joint and the joint body. This standard applies to pipe outside diameter 4mm ~ 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 connector nut GB/T 3764-2008 ferrule GB/T 3765-2008 bite type tube fittings

3 Dimensions

Card sets of pipe joints and elbow joint body dimensions shall comply with Figure 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 joints elbow labeling method and the joint body should be consistent with the provisions of GB/T 3765's. 4.2 tag example Connector Series L, the pipe diameter of 10mm, steel sleeve type elbow pipe fitting galvanized surface markers as follows. Fittings GB/T 3740 L10 Connector Series L, the pipe diameter of 10mm, steel sleeve type elbow joint surface galvanized marked. Joint body GB/T 3740 L10

5 Technical requirements

Technical requirements according to the provisions of GB/T 3765's.

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