AS/NZS 1841.1:2007
Portable fire extinguishers - General requirements
Provides general requirements for portable fire extinguishers other than aerosol type.
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AS/NZS 1841.1:2007 PORTABLE FIRE EXTINGUISHERS - GENERAL REQUIREMENTS
PREFACE
CONTENTS
SECTION 1 SCOPE AND GENERAL
1.1 SCOPE
1.2 NEW DESIGNS AND INNOVATIONS
1.3 REFERENCED DOCUMENTS
1.4 DEFINITIONS
1.4.1 Anti-discharge device
1.4.2 Anti-tamper seal
1.4.3 Cap
1.4.4 Carry handle
1.4.5 Compressed gas container
1.4.6 Control nozzle
1.4.7 Cylinder
1.4.8 Discharge fittings
1.4.9 Effective discharge time
1.4.10 Extinguishant
1.4.11 Extinguisher size
1.4.12 Gas point
1.4.13 Hanging bracket
1.4.14 Interstitial space
1.4.15 Maximum developed pressure
1.4.16 Maximum service temperature
1.4.17 Neck ring
1.4.18 Operating mechanism
1.4.19 Periodic test pressure
1.4.20 Portable fire extinguisher
1.4.21 Pressure indicator
1.4.22 Quick release bracket
1.4.23 Rechargeable
1.4.24 Siphon tube
1.4.25 Skirt
1.4.26 Strainer
1.4.27 Support fitting
1.4.28 Valve
1.4.29 Visible length
1.4.30 Working pressure
1.5 CLASSIFICATION AND RATING
SECTION 2 MATERIALS OF CONSTRUCTION
2.1 GENERAL
2.2 CYLINDER
2.3 COMPRESSED GAS CONTAINERS
2.4 VALVE OR CAP
2.5 STABILITY
2.6 EXPOSED NON-METALLIC COMPONENTS
2.7 CORROSION TEST
SECTION 3 DESIGN
3.1 GENERAL
3.2 MAXIMUM DEVELOPED PRESSURE
3.3 CYLINDERS
3.3.1 General
3.3.2 Shape
3.3.3 Wall thickness
3.3.4 Neck ring opening
3.4 METHOD OF OPERATION
3.4.1 General
3.4.2 Operating mechanism
3.5 LIQUID LEVEL INDICATION
3.6 EXPANSION DEVICE
3.7 PRESSURE-INDICATING DEVICE
3.7.1 General
3.7.2 Rechargeable type extinguishers
3.7.3 Non-rechargeable type extinguishers
3.8 DISCHARGE FITTINGS
3.8.1 Siphon tube
3.8.2 Strainer
3.8.3 Discharge hose and fitting
3.9 FILLING (CHARGING)
3.10 FILLING TOLERANCE
3.11 SUPPORT FITTING
3.11.1 General
3.11.2 Quick-release brackets
SECTION 4 CONSTRUCTION
4.1 CYLINDER
4.1.1 General
4.1.2 Joints
4.1.3 Neck ring
4.1.4 Anti-corrosion treatment of internal surfaces
4.1.5 Anti-corrosion treatment of external surfaces
4.2 ORGANIC LININGS
4.2.1 General
4.2.2 Adhesion test
4.2.3 Continuity test
4.3 SKIRTS
4.4 VALVE OR CAP
4.5 HANDLE AND HANGING BRACKET
4.5.1 General
4.5.2 Carry handle or grip
SECTION 5 PERFORMANCE REQUIREMENTS
5.1 FIRE RATING
5.2 INTERMITTENT DISCHARGE
5.3 EFFECTIVE DISCHARGE
5.3.1 General
5.3.2 Test procedure
5.4 ELECTRICAL CAPABILITY
5.4.1 Suitability
5.4.2 Water-based extinguishants
SECTION 6 TESTING
6.1 VAPORIZING LIQUID EXTINGUISHERS
6.2 PRESSURE TESTS FOR EXTINGUISHERS OTHER THAN CARBON DIOXIDE TYPE
6.2.1 Strength test
6.2.2 Proof test
6.3 PRESSURE TESTS FOR CARBON DIOXIDE TYPE EXTINGUISHERS
6.3.1 Extinguisher body
6.3.2 Valves and fittings
6.4 CLEAR PASSAGE TEST
6.5 COMPONENT MATERIALS TEST
6.6 GAS LEAKAGE TESTS
6.6.1 General
6.6.2 Test by electronic leak detection
6.6.3 Test by immersion
6.6.4 Test by weighing
6.6.5 Alternative methods
6.7 EXTERNAL CORROSION TEST
6.8 PULSATION TEST
6.9 SUPPORT FITTING TEST
6.10 EXTINGUISHER DROP TEST
6.11 VALVE IMPACT TEST
6.12 SIPHON TUBE TEST
6.13 TESTS FOR PLASTICS MATERIALS
SECTION 7 DETERMINATION OF COMPLIANCE
7.1 SCOPE
7.2 GENERAL
SECTION 8 IDENTIFICATION COLOURS
8.1 GENERAL
8.2 BODY COLOUR
8.3 IDENTIFICATION COLOUR
SECTION 9 INSTRUCTIONS AND MARKING
9.1 GENERAL
9.2 PERMANENT MARKING
9.3 MAIN LABEL
9.3.1 General
9.3.2 Instructions
9.3.3 Use code pictographs
9.4 IDENTIFICATION
9.5 SERVICING INFORMATION
9.6 POLYCARBONATE CAUTION
9.7 SERVICE INFORMATION
9.8 EXTINGUISHERS INTENDED FOR SALE IN OTHER COUNTRIES
SECTION 10 PACKING AND SHIPMENT
10.1 GENERAL
10.2 WATER, WET CHEMICAL AND FOAM FIRE EXTINGUISHERS
10.3 POWDER, CARBON DIOXIDE AND VAPORIZING LIQUID EXTINGUISHERS
SECTION 11 COMPRESSED GAS CONTAINERS
11.1 GENERAL
11.1.1 Rechargeable compressed gas containers
11.1.2 Non-rechargeable compressed gas containers
11.2 HIGH- PRESSURE COMPRESSED GAS CONTAINERS
11.2.1 General
11.2.2 Materials
11.2.3 Design
11.2.4 Tests
11.3 CHECKING FOR LEAKAGE OF GAS
11.4 PROTECTIVE FINISHES
11.5 MARKING OF COMPRESSED GAS CONTAINERS
11.5.1 Rechargeable compressed gas containers
11.5.2 Non-rechargeable compressed gas containers
11.6 ALUMINIUM ALLOY CONTAINERS-CHEMICAL COMPOSITION
APPENDIX A - ADHESION TEST
A1 SCOPE
A2 PRINCIPLE
A3 APPARATUS
A4 PROCEDURE
A5 RESULTS
APPENDIX B - EXTERNAL CORROSION TEST
B1 SCOPE
B2 PRINCIPLE
B3 APPARATUS
B4 PROCEDURE
B5 ASSESSMENT
APPENDIX C - VALVE IMPACT TEST
C1 SCOPE
C2 PRINCIPLE
C3 APPARATUS
C4 PROCEDURE
C5 RESULTS
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References
Portable fire extinguishers - Specific requirements for vaporizing liquid type extinguishers
Portable fire extinguishers - Specific requirements for non-rechargeable type extinguishers
Related Information
Hazardous Substances (Compressed Gases) Regulations 2004
Ministry: Environmental Protection Authority
Section: 23C
Citation context:The design for a low-pressure fire extinguisher must comply with— (a) AS/NZS 1841.1–AS/NZS 1841.8; or...
Hazardous Substances (Compressed Gases) Regulations 2004
Ministry: Environmental Protection Authority
Section: 29(2)
Citation context:The valve incorporated in a cylinder design for gas other than flammable or class 6.1A to 6.1D, must comply with the impact tests in— AS 2473 and BS 341; or for fire extinguisher cylinder designs, AS/NZS 1841.1; or an existing design standard under regula
Hazardous Substances (Compressed Gases) Regulations 2004
Ministry: Environmental Protection Authority
Section: 3
Citation context:``AS/NZS 1841.1–AS/NZS 1841.8'' means Parts 1 to 8 of the standard on Portable Fire Extinguishers
Health and Safety at Work (Hazardous Substances) Regulations 2017
Ministry: WorkSafe New Zealand
Section: 15.23(1)
Citation context:A PCBU who designs, imports, or supplies a low-pressure fire extinguisher must ensure that the design of the low-pressure fire extinguisher complies with—(a) AS/NZS 1841.1–AS/NZS 1841.8; or...
Health and Safety at Work (Hazardous Substances) Regulations 2017
Ministry: WorkSafe New Zealand
Section: 15.1
Citation context:AS/NZS 1841.1–AS/NZS 1841.8 means the AS/NZS standard AS/NZS 1841 (which consists of Parts 1 to 8) on Portable Fire Extinguishers, published in 2007
Health and Safety at Work (Hazardous Substances) Regulations 2017
Ministry: WorkSafe New Zealand
Section: 15.30(2)
Citation context:The valve incorporated in a cylinder design for a gas other than a flammable or class 6.1A to 6.1D gas, must comply with the impact tests in... ...(c) for fire extinguisher cylinder designs, standard AS/NZS 1841.1 on Portable fire extinguishers; or...
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AS/NZS 1841.1:2007 PORTABLE FIRE EXTINGUISHERS - GENERAL REQUIREMENTS
PREFACE
CONTENTS
SECTION 1 SCOPE AND GENERAL
1.1 SCOPE
1.2 NEW DESIGNS AND INNOVATIONS
1.3 REFERENCED DOCUMENTS
1.4 DEFINITIONS
1.4.1 Anti-discharge device
1.4.2 Anti-tamper seal
1.4.3 Cap
1.4.4 Carry handle
1.4.5 Compressed gas container
1.4.6 Control nozzle
1.4.7 Cylinder
1.4.8 Discharge fittings
1.4.9 Effective discharge time
1.4.10 Extinguishant
1.4.11 Extinguisher size
1.4.12 Gas point
1.4.13 Hanging bracket
1.4.14 Interstitial space
1.4.15 Maximum developed pressure
1.4.16 Maximum service temperature
1.4.17 Neck ring
1.4.18 Operating mechanism
1.4.19 Periodic test pressure
1.4.20 Portable fire extinguisher
1.4.21 Pressure indicator
1.4.22 Quick release bracket
1.4.23 Rechargeable
1.4.24 Siphon tube
1.4.25 Skirt
1.4.26 Strainer
1.4.27 Support fitting
1.4.28 Valve
1.4.29 Visible length
1.4.30 Working pressure
1.5 CLASSIFICATION AND RATING
SECTION 2 MATERIALS OF CONSTRUCTION
2.1 GENERAL
2.2 CYLINDER
2.3 COMPRESSED GAS CONTAINERS
2.4 VALVE OR CAP
2.5 STABILITY
2.6 EXPOSED NON-METALLIC COMPONENTS
2.7 CORROSION TEST
SECTION 3 DESIGN
3.1 GENERAL
3.2 MAXIMUM DEVELOPED PRESSURE
3.3 CYLINDERS
3.3.1 General
3.3.2 Shape
3.3.3 Wall thickness
3.3.4 Neck ring opening
3.4 METHOD OF OPERATION
3.4.1 General
3.4.2 Operating mechanism
3.5 LIQUID LEVEL INDICATION
3.6 EXPANSION DEVICE
3.7 PRESSURE-INDICATING DEVICE
3.7.1 General
3.7.2 Rechargeable type extinguishers
3.7.3 Non-rechargeable type extinguishers
3.8 DISCHARGE FITTINGS
3.8.1 Siphon tube
3.8.2 Strainer
3.8.3 Discharge hose and fitting
3.9 FILLING (CHARGING)
3.10 FILLING TOLERANCE
3.11 SUPPORT FITTING
3.11.1 General
3.11.2 Quick-release brackets
SECTION 4 CONSTRUCTION
4.1 CYLINDER
4.1.1 General
4.1.2 Joints
4.1.3 Neck ring
4.1.4 Anti-corrosion treatment of internal surfaces
4.1.5 Anti-corrosion treatment of external surfaces
4.2 ORGANIC LININGS
4.2.1 General
4.2.2 Adhesion test
4.2.3 Continuity test
4.3 SKIRTS
4.4 VALVE OR CAP
4.5 HANDLE AND HANGING BRACKET
4.5.1 General
4.5.2 Carry handle or grip
SECTION 5 PERFORMANCE REQUIREMENTS
5.1 FIRE RATING
5.2 INTERMITTENT DISCHARGE
5.3 EFFECTIVE DISCHARGE
5.3.1 General
5.3.2 Test procedure
5.4 ELECTRICAL CAPABILITY
5.4.1 Suitability
5.4.2 Water-based extinguishants
SECTION 6 TESTING
6.1 VAPORIZING LIQUID EXTINGUISHERS
6.2 PRESSURE TESTS FOR EXTINGUISHERS OTHER THAN CARBON DIOXIDE TYPE
6.2.1 Strength test
6.2.2 Proof test
6.3 PRESSURE TESTS FOR CARBON DIOXIDE TYPE EXTINGUISHERS
6.3.1 Extinguisher body
6.3.2 Valves and fittings
6.4 CLEAR PASSAGE TEST
6.5 COMPONENT MATERIALS TEST
6.6 GAS LEAKAGE TESTS
6.6.1 General
6.6.2 Test by electronic leak detection
6.6.3 Test by immersion
6.6.4 Test by weighing
6.6.5 Alternative methods
6.7 EXTERNAL CORROSION TEST
6.8 PULSATION TEST
6.9 SUPPORT FITTING TEST
6.10 EXTINGUISHER DROP TEST
6.11 VALVE IMPACT TEST
6.12 SIPHON TUBE TEST
6.13 TESTS FOR PLASTICS MATERIALS
SECTION 7 DETERMINATION OF COMPLIANCE
7.1 SCOPE
7.2 GENERAL
SECTION 8 IDENTIFICATION COLOURS
8.1 GENERAL
8.2 BODY COLOUR
8.3 IDENTIFICATION COLOUR
SECTION 9 INSTRUCTIONS AND MARKING
9.1 GENERAL
9.2 PERMANENT MARKING
9.3 MAIN LABEL
9.3.1 General
9.3.2 Instructions
9.3.3 Use code pictographs
9.4 IDENTIFICATION
9.5 SERVICING INFORMATION
9.6 POLYCARBONATE CAUTION
9.7 SERVICE INFORMATION
9.8 EXTINGUISHERS INTENDED FOR SALE IN OTHER COUNTRIES
SECTION 10 PACKING AND SHIPMENT
10.1 GENERAL
10.2 WATER, WET CHEMICAL AND FOAM FIRE EXTINGUISHERS
10.3 POWDER, CARBON DIOXIDE AND VAPORIZING LIQUID EXTINGUISHERS
SECTION 11 COMPRESSED GAS CONTAINERS
11.1 GENERAL
11.1.1 Rechargeable compressed gas containers
11.1.2 Non-rechargeable compressed gas containers
11.2 HIGH- PRESSURE COMPRESSED GAS CONTAINERS
11.2.1 General
11.2.2 Materials
11.2.3 Design
11.2.4 Tests
11.3 CHECKING FOR LEAKAGE OF GAS
11.4 PROTECTIVE FINISHES
11.5 MARKING OF COMPRESSED GAS CONTAINERS
11.5.1 Rechargeable compressed gas containers
11.5.2 Non-rechargeable compressed gas containers
11.6 ALUMINIUM ALLOY CONTAINERS-CHEMICAL COMPOSITION
APPENDIX A - ADHESION TEST
A1 SCOPE
A2 PRINCIPLE
A3 APPARATUS
A4 PROCEDURE
A5 RESULTS
APPENDIX B - EXTERNAL CORROSION TEST
B1 SCOPE
B2 PRINCIPLE
B3 APPARATUS
B4 PROCEDURE
B5 ASSESSMENT
APPENDIX C - VALVE IMPACT TEST
C1 SCOPE
C2 PRINCIPLE
C3 APPARATUS
C4 PROCEDURE
C5 RESULTS
Previous versions
AS/NZS 1841.1:2007
Online Library subscription information
Online library subscriptions provide a cost-effective solution for organisations of any size to access the latest standards, offering 24/7 access to a personalised catalogue. The service ensures subscribers have have the most up-to-date version of selected standards, incluing automatic updates for any amendments or versions. Pricing is dependent on the chosen standards and the number of concurrent users, with discounts applied from the standards PDF price. For customised subscriptions or further inquiries, contact the Online Library team.