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JB/T 12070-2014Valves for hydraulic steering control units - Priority valves (English PDF)

全液压转向器配套阀优先阀

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Issued by

MIIT

Level / Type

Industry · Recommended

Issue date

July 9, 2014

Implementation date

November 1, 2014

Scope

JB/T 12070-2014 is the English-translated version of 全液压转向器配套阀优先阀.

JB/T 12070-2014 belongs to the recommended Chinese machinery industry standards and deals with priority valves used together with full hydraulic steering control units.

It gives the terms and definitions, the parameters, symbols and units, the classification and basic parameters, and then the requirements, the test methods and the checks on the appearance of the assembled valve.

Steering equipment of this kind is covered by international classification 65.060.10 and Chinese classification T65. The standard quotes GB/T 2346, GB/T 2828.1-2012, GB/T 7935-2005, GB/T 14039-2002, GB/T 17446 and JB/T 7858-2006. Issued on 9 July 2014, it has applied since 1 November 2014.

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Document preview — JB/T 12070-2014

National Standard of the People's Republic of China

ICS: 65.060.10

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

Foreword
Scope
Normative references
About this standard
Classification and status

1 Foreword

JB/T 12070-2014 was issued by MIIT on 9 July 2014 and has been in force since 1 November 2014.

2 Scope

JB/T 12070-2014 belongs to the recommended Chinese machinery industry standards and deals with priority valves used together with full hydraulic steering control units. It gives the terms and definitions, the parameters, symbols and units, the classification and basic parameters, and then the requirements, the test methods and the checks on the appearance of the assembled valve. Steering equipment of this kind is covered by international classification 65.060.10 and Chinese classification T65. The standard quotes GB/T 2346, GB/T 2828.1-2012, GB/T 7935-2005, GB/T 14039-2002, GB/T 17446 and JB/T 7858-2006.

3 Normative references

JB/T 12070-2014 cites the following standards, which apply in full or in part through the references made to them in its clauses.

GB/T 2346

GB/T 2828.1-2012 — Plain bearings -- Quality characteristics -- Statistical process control (SPC)

GB/T 7935-2005 — Hydraulic fluid power - General requirements for hydraulic components

GB/T 14039-2002 — Hydraulic fluid power -- Fluids -- Method for coding the level of contamination by solid particles

GB/T 17446

JB/T 7858-2006 — Cleanliness evaluation methods and cleanliness criteria for hydraulic components

4 About this standard

Issued by: MIIT

English translation: about 15 pages

5 Classification and status

International classification (ICS): 65.060.10

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

Similar standards

JB/T 12069-2014|JB/T 9839-2013|QC/T 305-2013|NB/T 11218-2023|GB/T 15623.3-2022|GB/T 39831-2021

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