GB/T 7631.2-2003Lubricants, industrial oils and related products (class L) -- Classification -- Part 2: Family H (Hydraulic systems) (English PDF)
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Issued by
General Administration of Quality Supervision, Inspection and Quarantine of the People Republic of China
Level / Type
National · Recommended
Issue date
May 23, 2003
Implementation date
October 1, 2003
Scope
GB/T 7631.2-2003 (Lubricants, industrial oils and related products (class L) -- Classification -- Part 2: Family H (Hydraulic systems)) is available as an English-translated PDF.
GB/T 7631.2-2003 — This standard specifies: L class (Lubricants, industrial oils and related products)-H (Hydraulic systems) products a detailed breakdown. It should GB/T 7631. 1 linking to understand.
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Document preview — GB/T 7631.2-2003
National Standard of the People's Republic of China
- ICS
- 75.100
- Classification
- E 30
- Replacing
- GB/T 7631.2-1987
Issued by: General Administration of Quality Supervision, Inspection and Quarantine of the People Republic of China
Contents
- What this standard covers1
- Document data2
- Standards quoted by this document3
What this standard covers
This standard specifies: L class (Lubricants, industrial oils and related products)-H (Hydraulic systems) products a detailed breakdown. It should GB/T 7631. 1 linking to understand. This standard need not include automobile brake fluid and aviation hydraulic fluid, but including environmentally acceptable hydraulic fluids varieties HETG, HEPG, HEES and HEPR.
Document data
International classification (ICS): 75.100.
Chinese classification (CCS): E30.
Estimated length of the Chinese original: 4,446 words.
Adopted international standard: ISO 6743-4-1999; IDT.
Supersedes the earlier edition GB/T 7631.2-1987.
Standards quoted by this document
GB/T 3141; GB/T 7631.1
......
This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 3 pages — is available in the English PDF.
Referenced standards
Cited by
- GB 11118-2026Hydraulic fluids (L-HL, L-HM, L-HV, L-HS and L-HG type)
- GB/T 7939.1-2024Connections for hydraulic fluid power - Test methods - Part 1: Connectors
- GB/T 15622-2023Hydraulic cylinder - Test method
- GB/T 15623.3-2022Hydraulic fluid power - Electrically modulated hydraulic control valves - Part 3: Test methods for pressure control valves
- GB/T 37400.16-2019Heavy machinery general technical specification - Part 16: Hydraulic systems
- GB/T 15623.1-2018Hydraulic fluid power -- Electrically modulated hydraulic control valves -- Part 1: Test methods for four-port directional flow-control valves
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Related Standards
GB/T 7631.1-2008 — Lubricants, industrial oils and related products (class L) -- Classification -- Part 1: General
GB/T 7631.10-2013 — Lubricants, industrial oils and related products (class L) -- Classification -- Part 10: Family T (Turbines)
GB/T 7631.11-2014 — Lubricants, industrial oils and related products (class L) -- Classification -- Part 11: Family G (Slideways)
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