ISO 6743-3:2003

Lubricants, industrial oils and related products (class L) — Classification — Part 3: Family D (Compressors)

Publication date:   Oct 16, 2003

General information

90.93   Standard confirmed   Jun 25, 2025

ISO

ISO/TC 28/SC 4 Classifications and specifications

International Standard

75.100   Lubricants, industrial oils and related products

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Scope

ISO 6743-3:2003 establishes the detailed classification of lubricants for use in family D, air compressors, gas compressors and refrigeration compressors.
The intention of ISO 6743-3:2003 is to provide a rationalized range of the most commonly used internationally available lubricants for air, gas and refrigeration compressors, without resorting to unnecessary restriction by specifications or products description.
The primary intention of this classification is to describe and promote the use of the type of lubricant which is best suited for the particular application, specifically with stationary air compressors, with the aim of reducing as far as possible the risks of fire and explosion. Relevant safety rules are given in ISO 5388.
ISO 6743-3:2003 should be read in conjunction with ISO 6743-99.

Life cycle

PREVIOUSLY

WITHDRAWN
ISO 6743-3A:1987

WITHDRAWN
ISO 6743-3B:1988

NOW

PUBLISHED
ISO 6743-3:2003
90.93 Standard confirmed
Jun 25, 2025