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GB/T 5649-2008 English PDF

US$139.00 · In stock
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GB/T 5649-2008: Flared couplings -- Lock nut and lockup washer
Status: Valid

GB/T 5649: Historical versions

Standard IDUSDBUY PDFLead-DaysStandard Title (Description)Status
GB/T 5649-2008139 Add to Cart 3 days Flared couplings -- Lock nut and lockup washer Valid
GB/T 5649-1985199 Add to Cart 2 days Flared type tube fittings--Locknut Obsolete

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Basic data

Standard ID: GB/T 5649-2008 (GB/T5649-2008)
Description (Translated English): Flared couplings -- Lock nut and lockup washer
Sector / Industry: National Standard (Recommended)
Classification of Chinese Standard: J15
Classification of International Standard: 21.060.60
Word Count Estimation: 6,695
Date of Issue: 2008-05-07
Date of Implementation: 2008-11-01
Older Standard (superseded by this standard): GB/T 5649-1985; GB/T 5652-1985
Quoted Standard: GB/T 5653-2008
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 fittings with lock nuts and washers size, marking and technical requirements. This standard applies to card sets or flared adjustable fittings connections.

GB/T 5649-2008: Flared couplings -- Lock nut and lockup washer

---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.
Flared couplings. Lock nut and lockup washer ICS 21.060.60 J15 National Standards of People's Republic of China Replacing GB/T 5649-1985, GB/T 5652-1985 Fittings with nut and washer 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 GB/T 5649-1985 "flared fittings locknut" revision, respectively, instead of the GB/T 5649-1985 "Flared fittings lock nut", GB/T 5652-1985 "flared fittings lock nut washer" two standards. This standard and GB/T 5649-1985, GB/T 5652-1985 compared to the main changes are as follows. --- The two standard content integration; --- Modified Chinese and English name; --- Modify the structure and size of the lock nut, and adjust the relative size of the gasket; --- Reducing the parameters should be part of the manufacturer's control; --- Cancel the marked surface roughness, surface roughness is given in GB/T 5653 "flared fittings technical conditions" in. Since the implementation of this standard replaces GB/T 5649-1985 and GB/T 5652-1985. The standard proposed by China Machinery Industry Federation. This standard by the National Standardization Technical Committee pipe accessories. This standard is drafted by. Productivity Promotion Center in the machine. Participated in the drafting of this standard. Haiyan Pipe Manufacturing Co., Eaton (Ningbo) fluid connector Ltd., Jiaxing Mai Site fittings Manufacturing Co., Ltd., Jianhu particularly good hydraulic pipe fittings Co., high-Bo Haiyan Pipe Co., Ltd., Haiyan tube Manufacturing Co., Hydraulic annex Ltd. Jiaozuo City lead. The main drafters of this standard. Li Weirong, Gengzhi school, Zhou Shunhua, Li Junying, Tao Zhongming, Zuo Jun, Ruanhao Feng, Zhou Jianfei, Wang Limin, Feng Feng. This standard replaces the standards previously issued as follows. --- GB/T 5649-1985, GB/T 5652-1985. Fittings with nut and washer

1 Scope

This standard specifies the pipe joint, nut and washer dimensions, marking and technical requirements. This standard applies to card sets or flared adjustable fittings to connect.

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 5653-2008 flared tube fittings

3 Dimensions

Fittings with locknut size shall comply with Figure 1 and Table 1, the pipe joint with the locking washer dimensions shall comply with Figure 2 and Table 2 Provisions.

4 Mark

4.1 labeling method Fittings with nut and washer marking methods shall comply with GB/T 5653's. 4.2 tag example Thread size is M20 × 1.5, galvanized steel pipe joint surface marked with a lock nut. Nut GB/T 5649 M20 × 1.5 And specifications for the M20 × 1.5 thread pipe joint with the locking nut supporting the use of non-surface-treated steel pipe fittings with lock washers Mark as. Washer GB/T 5649 M20 × 1.5

5 Technical requirements

Technical requirements according to GB/T 5653 regulations.
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