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JB/T 7310-2014Pilot Operated Pressure Reducing Valves of Loaders (English PDF)

装载机用减压式先导阀

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Issued by

MIIT

Level / Type

Industry · Recommended

Issue date

July 9, 2014

Implementation date

November 1, 2014

Scope

JB/T 7310-2014 is the English-translated version of 装载机用减压式先导阀.

The valves concerned are those working in the hydraulic pilot circuits of loader machines. Its normative references are GB/T 7935, GB/T 13306, GB/T 14039-2002, GB/T 21153, JB/T 5947 and JB/T 7858.

The standard takes over from JB/T 7310-1994. Issued on 9 July 2014, it has applied since 1 November 2014.

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Document preview — JB/T 7310-2014

National Standard of the People's Republic of China

ICS: 53.100
Replacing: JB/T 7310-1994

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

Foreword
Scope
Normative references
About this standard
Related standards
Classification and status

1 Foreword

JB/T 7310-2014 was issued by MIIT on 9 July 2014 and has been in force since 1 November 2014.

It replaces the earlier edition JB/T 7310-1994.

2 Scope

JB/T 7310-2014 is the recommended Chinese machinery industry standard for the pilot operated pressure reducing valves fitted to loaders. It sets the valve models and their graphic symbols, the basic parameters, the requirements, the test methods and the inspection rules, and adds the provisions for marking, packaging, transport and storage. The valves concerned are those working in the hydraulic pilot circuits of loader machines. Its normative references are GB/T 7935, GB/T 13306, GB/T 14039-2002, GB/T 21153, JB/T 5947 and JB/T 7858. The standard takes over from JB/T 7310-1994. Issued on 9 July 2014, it has applied since 1 November 2014.

3 Normative references

JB/T 7310-2014 cites the following standards, which apply in full or in part through the references made to them in its clauses.

GB/T 7935

GB/T 13306

GBB/T 14039-2002

GB/T 21153

JB/T 5947

JB/T 7858

4 About this standard

Issued by: MIIT

English translation: about 15 pages

5 Related standards

Other editions:

JB/T 7310-1994 (earlier edition)

6 Classification and status

International classification (ICS): 53.100

Prefix JB/T: recommended standard.

......
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

GBB/T 14039-2002

Similar standards

GB/T 12246-2025|GB/T 28778-2023|NB/T 20192-2012|GB/T 12244-2025|GB/T 12245-2025|GB/T 8100.3-2021

Editions of JB/T 7310

Edition	Title	Revision	Status
JB/T 7310-2014	Pilot Operated Pressure Reducing Valves of Loaders	current edition	Current
JB/T 7310-1994	Pilot Operated Pressure Reducing Valves of Loaders	previous edition	Superseded

This page sells the current edition, JB/T 7310-2014. Earlier editions are listed for reference only.

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