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AS 3997.2-1993

Withdrawn
Withdrawn

A Withdrawn Standard is one, which is removed from sale, and its unique number can no longer be used. The Standard can be withdrawn and not replaced, or it can be withdrawn and replaced by a Standard with a different number.

Fluid power - Fire-resistant hydraulic fluids - Guidance on the selection, use and storage
Available format(s)

Hardcopy , PDF 1 User , PDF 3 Users , PDF 5 Users , PDF 9 Users

Withdrawn date

06-06-2019

Language(s)

English

Published date

01-01-1993

Preview

1 - AS 3997.2:1993 FLUID POWER - FIRE-RESISTANT HYDRAULIC FLUIDS - GUIDANCE ON THE SELECTION, USE AND STORAGE
5 - 1 SCOPE
5 - 2 APPLICATION
5 - 3 REFERENCED DOCUMENTS
5 - 4 GENERAL CONSIDERATIONS FOR THE USE OF FIRE-RESISTANT HYDRAULIC FLUIDS
5 - 4.1 Fluid flowlines
5 - 4.2 Work on hydraulic systems
6 - 4.3 Fluid temperature
6 - 4.4 Fluid degradation
6 - 4.5 Installation and maintenance
6 - 4.6 Fluid monitoring
6 - 4.7 Evaporation effects
6 - 4.8 Equipment performance
6 - 4.9 Strainers and filters
6 - 4.10 Circuit design
6 - 4.11 Compatibility with metals
6 - 4.12 Compatibility with coatings and paint
6 - 4.13 Compatibility with sealing devices
7 - 5 REQUIREMENTS FOR FIRE-RESISTANT HYDRAULIC FLUIDS
7 - 5.1 Properties
7 - 5.2 Flammability tests
7 - 5.3 Toxicity
8 - 6 CHARACTERISTICS OF FIRE-RESISTANT FLUIDS
8 - 6.1 Oil-in-water emulsions and chemical solutions in water (classifications HFEA, HFAET, HFAS and HFAST)
8 - 6.2 Water-in-oil emulsions (classification HFB)
8 - 6.3 Water polymer solutions (classification HFC)
8 - 6.4 Synthetic fluids containing no water (classification HFDR, HFDS, HFDT and HFDU)
9 - 7 PRECAUTIONS AND CONSIDERATIONS
9 - 7.1 Oil in water emulsions (classification HFAE and HFAET) and chemical solutions in water (classification HFAS and HFAST)
9 - 7.1.1 General
9 - 7.1.2 Elastomers
9 - 7.1.3 Mixing
9 - 7.1.4 Monitoring
9 - 7.1.5 Temperature limits
9 - 7.2 Water in oil emulsions (classification HFB)
9 - 7.2.1 General
9 - 7.2.2 Elastomers
9 - 7.2.3 Metal
9 - 7.2.4 Mixing
9 - 7.2.5 Monitoring
9 - 7.2.6 Temperature limits
9 - 7.3 Water polymer solutions (classifications HFC)
9 - 7.3.1 Elastomers
10 - 7.3.2 Metals
10 - 7.3.3 Monitoring
10 - 7.3.4 Temperature limits
10 - 7.4 Synthetic fluids containing no water (classifications HFDR, HFDS, HFDT and HFDU)
10 - 7.4.1 General
10 - 7.4.2 Elastomers
10 - 7.4.3 Metals
10 - 7.4.4 Monitoring
10 - 7.4.5 Temperature limits
10 - 8 CHANGING THE FLUID IN A HYDRAULIC SYSTEM
10 - 8.1 Replacement of a mineral oil with an HFA, HFB, HFC or a HFD fluid
11 - 8.2 Replacement of an HFA, HFB or an HFC fluid with an HFD fluid
11 - 8.3 Replacement of an HFD fluid with an HFA, HFB or an HFC fluid
11 - 9 MARKING, STORAGE, HANDLING AND DISPOSAL
11 - 9.1 Containers
11 - 9.1.1 General
12 - 9.1.2 Marking
12 - 9.2 Storage
12 - 9.3 Handling
12 - 9.4 Disposal
13 - APPENDIX A - FLAMMABILITY TESTS FOR FIRE-RESISTANT HYDRAULIC FLUIDS
14 - APPENDIX B - TYPICAL MATERIALS SAFETY DATA SHEETS
20 - APPENDIX C - RECOMMENDATIONS FOR CHANGING THE FLUID IN A HYDRAULIC SYSTEM

Provides guidance on the selection, use and storage of fire-resistant hydraulic fluids classified in accordance with AS 3997.1. The characteristics of fluids of each classification are described and the recommended procedures and precautions to be taken when changing the fluid in a hydraulic system from a mineral oil to a fire-resistant fluid or from a fire-resistant fluid to another of a different classification are given.

This document provides guidelines for the selection and use of fire-resistant hydraulic fluids classified in accordance with AS 3997.1. Operational characteristics of various categories of fire-resistant fluids are given. The advantages and disadvantages in the use of these fluids are included, together with precautions to avoid difficulties during operation and when changing a system to a fluid of another classification.NOTE: Tests to determine the flammability of fire-resistant hydraulic fluids in different situations are given in Appendix A.

Committee
ME-035
DocumentType
Standard
ISBN
0 7262 7927 7
Pages
17
ProductNote
Withdrawn 06-06-2019.
PublisherName
Standards Australia
Status
Withdrawn
Supersedes

First published as AS 3997.2-1993.

AS 3997.1-1992 Fluid power - Fire-resistant hydraulic fluids - Classification
AS 2671-2002 Hydraulic fluid power - General requirements for systems (ISO 4413:1998, MOD)
AS 1345-1995 Identification of the contents of pipes, conduits and ducts (Reconfirmed 2018)
AS 2700-1996 Colour Standards for general purposes - Swatches
AS 2671-1983 Fluid power - Hydraulic systems and components
AS 2106-1980 Methods for the determination of the flashpoint of flammable liquids (closed cup)

AS 1755-2000 Conveyors - Safety requirements

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