JB/T 8729-2013Hydraulic Fluid Power - Multiple Directional Valve (English PDF)
液压多路换向阀
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Issued by
MIIT
Level / Type
Industry · Recommended
Issue date
April 25, 2013
Implementation date
September 1, 2013
Scope
JB/T 8729-2013 is the English-translated version of 液压多路换向阀.
JB/T 8729-2013 is the recommended Chinese machinery industry standard for the multiple directional valve used in hydraulic fluid power, commonly called the multi-way valve.
It fixes the basic parameters of the valve and the technical requirements it has to meet. Test methods, inspection rules, marking and packaging requirements follow.
The valves in its field work with hydraulic oil, among other fluids. Among the standards it quotes are GB/T 786.1, GB/T 2346, GB/T 2828.1, GB/T 7935-2005, GB/T 14039-2002 and JB/T 7858.
The Chinese classification is J20 and the international classification 23.100.50.
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Document preview — JB/T 8729-2013
National Standard of the People's Republic of China
- ICS
- 23.100.50
- Replacing
- JB/T 8729.2-1998
Issued by: Ministry of Industry and Information Technology of the People's Republic of China
Contents
- Foreword
- Scope
- Normative references
- About this standard
- Related standards
- Classification and status
1 Foreword
JB/T 8729-2013 was issued by MIIT on 25 April 2013 and has been in force since 1 September 2013.
It is one of 3 parts of the JB/T 8729 series.
2 Scope
This standard is the recommended Chinese machinery industry standard for the multiple directional valve used in hydraulic fluid power, commonly called the multi-way valve. It fixes the basic parameters of the valve and the technical requirements it has to meet. Test methods, inspection rules, marking and packaging requirements follow. The valves in its field work with hydraulic oil, among other fluids. Among the standards it quotes are GB/T 786.1, GB/T 2346, GB/T 2828.1, GB/T 7935-2005, GB/T 14039-2002 and JB/T 7858. The Chinese classification is J20 and the international classification 23.100.50.
3 Normative references
JB/T 8729-2013 cites the following standards, which apply in full or in part through the references made to them in its clauses.
GB/T 786.1
GB/T 2346
GB/T 2828.1
GB/T 2878.1
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
4 About this standard
Issued by: MIIT
English translation: about 20 pages
5 Related standards
Other parts of this standard:
JB/T 8729.1-1998 — Hydraulic multiple directional control valves - Technical specifications
JB/T 8729.2-1998 — Hydraulic multiple directional control valves - Test methods
6 Classification and status
International classification (ICS): 23.100.50
Prefix JB/T: recommended standard.
......
This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 20 pages — is available in the English PDF.
Referenced standards
Normative references
- GB/T 786.1Fluid power systems and components - Graphical symbols and circuit diagrams - Part 1: Graphical symbols
- GB/T 2346Fluid power systems and components -- Nominal pressures
- GB/T 2828.1Sampling procedures for inspection by attributes - Part 1: Sampling schemes indexed by acceptance quality limit (AQL) for lot-by-lot inspection
- GB/T 2878.1Connections for hydraulic fluid power - Ports with truncated housing and stud ends with metric threads - Part 1: Ports with truncated housing
- GB/T 7935-2005Hydraulic fluid power - General requirements for hydraulic components
- GB/T 14039-2002Hydraulic fluid power—Contamination analysis—Method for coding the level of contamination by solid particles
Similar standards
Editions of JB/T 8729
| Edition | Title | Revision | Status |
|---|---|---|---|
| JB/T 8729-2013 | Hydraulic Fluid Power - Multiple Directional Valve | current edition | Current |
| JB/T 8729.2-1998 | Hydraulic Fluid Power - Multiple Directional Valve | previous edition | Superseded |
This page sells the current edition, JB/T 8729-2013. Earlier editions are listed for reference only.
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Related Standards
GB/T 14039-2002 — Hydraulic fluid power -- Fluids -- Method for coding the level of contamination by solid particles
GB/T 17446-2024 — Fluid power systems and components - Vocabulary
GB/T 2346-2003 — Fluid power systems and components -- Nominal pressures
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JB/T 8729-2013
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