GB/T 3742-2008 English PDF

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GB/T 3742-2008: 24-degree cone connectors -- Male tee
Status: Valid

GB/T 3742: Historical versions

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
GB/T 3742-2008	139	Add to Cart	3 days	24-degree cone connectors -- Male tee	Valid
GB/T 3742.1-1983	199	Add to Cart	2 days	Male branch tee--Assembly	Obsolete

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Basic data

Standard ID: GB/T 3742-2008 (GB/T3742-2008)
Description (Translated English): 24-degree cone connectors -- Male tee
Sector / Industry: National Standard (Recommended)
Classification of Chinese Standard: J15
Classification of International Standard: 21.060.60
Word Count Estimation: 6,667
Date of Issue: 2008-05-07
Date of Implementation: 2008-11-01
Older Standard (superseded by this standard): GB/T 3742.1-1983; GB/T 3742.2-1983
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 cone threaded ferrule tube fittings and connectors body, marking and technical requirements. This standard applies to pipe outside diameter 4mm ~ 42mm, the maximum working pressure of 10MPa ~ 40MPa hydraulic fluid power and general -purpose pipeline system.

GB/T 3742-2008: 24-degree cone connectors -- Male 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. Male tee ICS 21.060.60 J15 National Standards of People's Republic of China Replacing GB/T 3742.1-1983, GB/T 3742.2-1983 Card sets of taper thread 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 3742.1-1983 "card sets of taper thread tee" and GB/T 3742.2-1983 "card sets of cone snails Revision pattern tee Style ". The main amendments are as follows. --- The two standard content integration; --- Modify the English name; --- Threaded end of the column increases the 55 ° sealing pipe thread (R) and 60 ° sealing pipe thread (NPT), to cancel the original standard metric taper thread (ZM); --- The nominal E (160) to modify the maximum working pressure of 10MPa ~ 40MPa, 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 3742.1-1983 and GB/T 3742.2-1983. 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 high Bo tube. 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., 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, Ruanhao Feng, Tao Zhongming, Zuo Jun, Chen Zhanji, Zhou Jianfei, Wang Limin. This standard replaces the standards previously issued as follows. --- GB/T 3742.1-1983; --- GB/T 3742.2-1983. Card sets of taper thread tee

1 Scope

This standard specifies the dimensions, marking and technical requirements Taper threaded sleeve tee and the joint body. This standard applies to pipe outside diameter 4mm ~ 42mm, maximum working pressure of hydraulic fluid power and general 10MPa ~ 40MPa 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

Straight thread sleeve tee fitting body and the dimensions shall comply with Figure 1, the provisions of Figure 2 and Table 1, the end of the connector body sleeve size should break Co GB/T 3764 provisions of.

4 Mark

4.1 labeling method Card sets of labeling methods taper thread tee 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 taper thread tee 55 ° sealing pipe thread (R), galvanized surface treated Connector marked. Fittings GB/T 3742 L10/R1/4 Connector Series L, the pipe diameter of 10mm, 55 ° sealing pipe thread (R), a steel sleeve type taper thread tee galvanized surface access Head body marked. Joint body GB/T 3742 L10/R1/4

5 Technical requirements

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

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