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JB/T 979-2013Welded union elbows and tees (English PDF)

焊接连接弯通和三通管接头

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Issued by

MIIT

Level / Type

Industry · Recommended

Issue date

December 31, 2013

Implementation date

July 1, 2014

Scope

JB/T 979-2013 is the English-translated version of 焊接连接弯通和三通管接头.

JB/T 979-2013 is the recommended Chinese machinery industry standard for welded union elbows and union tees, the pipe fittings joined by welding. It fixes the types and dimensions of these fittings, their marking, the technical requirements, the performance testing, the purchasing information and the identification to be applied.

The field of application of JB/T 979-2013 is bounded by a range of pipe diameters and by a maximum working pressure, the limits for both being set in the standard.

It replaces the 1977 edition of JB/T 979. It quotes GB/T 699, GB/T 3141 and GB/T 7631.2. Its Chinese classification is J15 and its international classification 23.060.40.

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Document preview — JB/T 979-2013

National Standard of the People's Republic of China

ICS: 23.060.40
Replacing: JB/T 979-1977

Issued by: Ministry of Industry and Information Technology of the People's Republic of China

1 Foreword

JB/T 979-2013 was issued by Ministry of Industry and Information Technology of the People's Republic of China on 31 December 2013 and has been in force since 1 July 2014.

It replaces the earlier edition JB/T 979-1977.

2 Scope

This standard is the recommended Chinese machinery industry standard for welded union elbows and union tees, the pipe fittings joined by welding. It fixes the types and dimensions of these fittings, their marking, the technical requirements, the performance testing, the purchasing information and the identification to be applied. The field of application of JB/T 979-2013 is bounded by a range of pipe diameters and by a maximum working pressure, the limits for both being set in the standard. It replaces the 1977 edition of JB/T 979. It quotes GB/T 699, GB/T 3141 and GB/T 7631.2. Its Chinese classification is J15 and its international classification 23.060.40.

3 Normative references

JB/T 979-2013 cites the following standards, which apply in full or in part through the references made to them in its clauses.

GB/T 699

GB/T 3141

GB/T 7631.2

4 About this standard

Issued by: Ministry of Industry and Information Technology of the People's Republic of China

English translation: about 15 pages

5 Related standards

Other editions:

JB/T 979-1977 (earlier edition)

6 Classification and status

International classification (ICS): 23.060.40

Prefix JB/T: recommended standard.

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This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 15 pages — is available in the English PDF.

Referenced standards

Normative references

Editions of JB/T 979

Edition	Title	Revision	Status
JB/T 979-2013	Welded union elbows and tees	current edition	Current
JB/T 979-1977	Welded union elbows and tees	previous edition	Superseded

This page sells the current edition, JB/T 979-2013. Earlier editions are listed for reference only.

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