GB/T 3734-2008 English PDF

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GB/T 3734-2008: 24-degree cone connectors -- Male
Status: Valid

GB/T 3734: Historical versions

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
GB/T 3734-2008	139	Add to Cart	3 days	24-degree cone connectors -- Male	Valid
GB/T 3734.1-1983	199	Add to Cart	2 days	Male connector--Assembly	Obsolete

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GB/T 1048   GB/T 1047   GB/T 4622.1   GB/T 3735   GB/T 3736   GB/T 3733   

Basic data

Standard ID: GB/T 3734-2008 (GB/T3734-2008)
Description (Translated English): 24-degree cone connectors -- Male
Sector / Industry: National Standard (Recommended)
Classification of Chinese Standard: J15
Classification of International Standard: 21.060.60
Word Count Estimation: 6,662
Date of Issue: 2008-05-07
Date of Implementation: 2008-11-01
Older Standard (superseded by this standard): GB/T 3734.1-1983; GB/T 3734.2-1983
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 straight taper threaded 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 ~ 40MPa hydraulic fluid power and general -purpose pipeline system.

GB/T 3734-2008: 24-degree cone connectors -- 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.Male ICS 21.060.60 J15 National Standards of People's Republic of China Replacing GB/T 3734.1-1983, GB/T 3734.2-1983 Sleeve taper straight pipe fittings 2008-05-07 released 2008-11-01 implementation General Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China China National Standardization Administration released

Foreword

This standard is one of the standard series of pipe fittings. This standard is GB/T 3734.1-1983 "ferrule taper straight pipe fittings" and GB/T 3734.2-1983 "Ferrule Cone Straight through the body connector "amendment. The main changes are as follows. --- The two standard content were integrated; --- Modify the English name; --- 55 ° increase the thread column end seal pipe thread (R) and 60 ° seal pipe thread (NPT), canceled the original standard metric taper thread (ZM); --- Nominal pressure E (160) is revised to the maximum working pressure 10MPa ~ 40MPa, and is divided into LL, L and S three series, series The product size range has been adjusted; --- Adjust the pipe diameter size series, and modify the relevant size; --- Reduce some of the parameters should be controlled by the manufacturer; --- Canceled the weight data; --- Canceled the surface roughness markings, surface roughness requirements GB/T 3765 "Ferrule fittings technical conditions" are given. This standard from the date of implementation instead of GB/T 3734.1-1983 and GB/T 3734.2-1983. This standard is proposed by the China Machinery Industry Federation. This standard by the National Piping Accessories Standardization Technical Committee. This standard is drafted by. China Machine Productivity Promotion Center, Haiyan Pipe Manufacturing Co., Ltd., Eaton (Ningbo) limited fluid connections the company. Participated in the drafting of this standard. Jiaxing Miesite Pipe Manufacturing Co., Ltd., Jianhu County, the best special hydraulic pipe fittings Co., Ltd., Zhejiang Huaxia valve Door Co., Ltd., Haiyan Gaobo Tube Co., Ltd., Haiyan Pipe Co., Ltd., Jiaozuo City Road Hydraulic Accessory Co., Ltd. The main drafters of this standard. Li Weirong, Geng Zhixue, Zhou Shunhua, Li Junying, Tao Zhongming, left Xuejun, Xu Changxiang, Ruan Haofeng, Zhou Jianfei, Wang Limin, Feng Feng. This standard replaces the standards previously issued as follows. --- GB/T 3734.1-1983; --- GB/T 3734.2-1983. Sleeve taper straight pipe fittings

1 Scope

This standard specifies the size, marking and technical requirements for the ferrule taper thread straight pipe fittings and fittings body. This standard applies to pipe diameter 4mm ~ 42mm, the maximum working pressure of 10MPa ~ 40MPa hydraulic fluid transmission and general Piping system for use.

2 Normative references

The following documents contain provisions which, through reference in this standard and become the standard terms. All dated references, which are subsequently owned Amendments (not including errata content) or revisions do not apply to this standard, however, encourage the parties to reach an agreement based on this standard research Whether you can use the latest versions of these files. For undated references, the latest version applies to this standard. Connection nuts for bushing type fittings GB/T 3764-2008 card sets Specification for pipe ferrule fittings GB/T 3765-2008

3 size

The size of the sleeve taper thread straight pipe joint and joint body shall comply with the provisions in Figure 1, Figure 2 and Table 1, the joint body sleeve end size shall meet With the provisions of GB/T 3764.

4 mark

4.1 mark method Catheter taper thread straight pipe fittings and connector body marking method should be consistent with the provisions of GB/T 3765. 4.2 Marking examples Connector series L, pipe outer diameter of 10mm, 55 ° sealing pipe thread (R), the surface galvanized steel ferrule taper thread straight pipe Connector marked as. Fittings GB/T 3734 L10/R1/4 Connector series L, pipe outer diameter of 10mm, 55 ° sealing pipe thread (R), the surface of the zinc-plated steel sleeve taper thread straight through The head is marked as. Connector body GB/T 3734 L10/R1/4

5 technical requirements

Technical requirements according to the provisions of GB/T 3765. ......

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