GB/T 3743-2008 English PDF

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GB/T 3743-2008: 24-degree cone connectors -- Straight thread run tee
Status: Valid

GB/T 3743: Historical versions

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
GB/T 3743-2008	139	Add to Cart	3 days	24-degree cone connectors -- Straight thread run tee	Valid
GB/T 3743.1-1983	199	Add to Cart	2 days	Straight thread run tee--Assembly	Obsolete

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Basic data

Standard ID: GB/T 3743-2008 (GB/T3743-2008)
Description (Translated English): 24-degree cone connectors -- Straight thread run tee
Sector / Industry: National Standard (Recommended)
Classification of Chinese Standard: J15
Classification of International Standard: 21.060.60
Word Count Estimation: 6,657
Date of Issue: 2008-05-07
Date of Implementation: 2008-11-01
Older Standard (superseded by this standard): GB/T 3743.1-1983; GB/T 3743.2-1983
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 of adjustable size to the end of the elbow and tee fitting 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 3743-2008: 24-degree cone connectors -- Straight thread run tee

---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.Straight thread run tee ICS 21.060.60 J15 National Standards of People's Republic of China Replacing GB/T 3743.1-1983, GB/T 3743.2-1983 Adjustable sleeve type end elbow tee 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. This standard is GB/T 3743.1-1983 "sleeve type end at right angles tee" and GB/T 3743.2-1983 "side straight card sets Amendment corner tee Style ". The main amendments are as follows. --- The two standard content integration; --- Modified Chinese and English name; --- To increase the adjustable threaded post end, canceled the original standard type A threaded post end; --- 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; --- Increasing the column in the form of the end structures of pipe thread; --- 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 3743.1-1983 and GB/T 3743.2-1983. 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., Haiyan tube Manufacturing Co., the company. 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., Zhejiang China Valve Co., Ltd., a high-Bo Haiyan Pipe Fittings Co., Ltd. Jiaozuo City roads lead to hydraulic attachments. The main drafters of this standard. Gengzhi school, Li Weirong, Zhou Shunhua, Feng Feng, Zhou Jianfei, Tao Zhongming, Zuo Jun, Ruanhao Feng, Chen Zhanji, Wang Limin. This standard replaces the standards previously issued as follows. --- GB/T 3743.1-1983; --- GB/T 3743.2-1983. Adjustable sleeve type end elbow tee

1 Scope

This standard specifies the card sets of adjustable size to the end of the elbow, marking and technical requirements tee 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 connector nut GB/T 3764-2008 ferrule GB/T 3765-2008 bite type tube fittings GB/T 5649-2008 fittings with nut and washer

3 Dimensions

Card sets of adjustable size to the end of the elbow and tee fitting body shall comply with Figure 1, the provisions of Figure 2 and Table 1, adjusted to the size of the end Shall comply with GB/T 3765 Appendix A of the joint body ferrule end dimensions shall comply with GB/T 3764's.

4 Mark

4.1 labeling method Adjustable sleeve type end labeling method elbow tee joints 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, the common thread (M) Adjustable threaded post end surface galvanized steel sleeve type can be Tune to end elbow tee marked. Fittings GB/T 3743 L10 Connector Series L, the pipe diameter of 10mm, the common thread (M) Adjustable threaded post end surface galvanized steel sleeve type can be Tune to end elbow tee body marked. Joint body GB/T 3743 L10

5 Technical requirements

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

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