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AS/NZS 1850:2009

[Current]

Portable fire extinguishers — Classification, rating and performance testing

Classifies extinguishers according to the general classes of fires for which they are suitable and gives a method of rating. Tests for Classes A, B, C, D, E and F are included.
Published: 20/03/2009
Pages: 22
Table of contents
Cited references
Content history
Table of contents
Header
About this publication
Preface
1 Scope and general
1.1 Scope
1.2 Application
1.3 Normative references
1.4 Definitions
1.5 Classification
1.6 Rating
1.7 Electrical non-conductivity
2 General requirements for performance tests
2.1 General
2.2 End‑Point
2.3 Number of test fires
2.4 Activation of extinguishers
2.5 Storage and test temperature
2.6 Test conditions
2.7 Discharge conditions
2.8 Test personnel
3 Class A performance test
3.1 Classification and rating
3.2 Wood crib test
3.2.1 Apparatus
3.2.2 Materials
3.2.3 Construction of test crib
3.2.4 Procedure
3.2.5 Records
4 Class B Performance test
4.1 Classification and rating
4.2 Flammable liquid test
4.2.1 Apparatus
4.2.2 Materials
4.2.3 Procedure
4.3 Records
5 Class C Performance test
5.1 Classification and rating
5.2 Combustible gas test
5.2.1 Apparatus
5.2.2 Procedure
5.3 Records
6 Class D performance test
6.1 Classification and rating
6.1.1 General
6.1.2 Combustible sodium, potassium, sodium-potassium and magnesium
6.1.3 Other metals
6.2 Discharge characteristics
6.3 Marking
7 Class E performance test
7.1 Classification and rating
7.2 Electrical non-conductivity test
7.2.1 General
7.2.2 Principle
7.2.3 Apparatus
7.2.3.1 Mounting of extinguisher and connections to extinguisher and target
7.2.3.2 Current flow
7.2.3.3 Mounting target
7.2.4 Procedure
7.3 Records
8 Class F Performance test
8.1 Classification and rating
8.2 Cooking oil test
8.2.1 Principle
8.2.2 Apparatus
8.2.3 Procedure
8.2.3.1 Classification and ratings up to and including Class 3F
8.2.3.2 Classification and ratings up to and including Class 4F
8.3 Records
Appendix A
A1 General
A2 Mounting of extinguisher
A3 Mounting of target
A4 Connections to extinguisher and target
A5 Electrical circuits
A6 Current flow meter
Bibliography
Cited references in this standard
ANSI UL 711
Rating and Fire Testing of Fire Extinguishers
[Current]
Portable fire extinguishers — Aerosol type
AS/NZS 4265
Wheeled fire extinguishers
[Current]
Portable fire extinguishers, Part 2: Specific requirements for water type extinguishers
[Current]
Portable fire extinguishers, Part 1: General requirements
Content history
[Available Superseded]
DR 08081
AS/NZS 1850:2009 REC:2021

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