ISO 7165:2017
Fire fighting — Portable fire extinguishers — Performance and construction
ISO 7165:2017 specifies the principal requirements intended to ensure the safety, reliability and performance of portable fire extinguishers.
It is applicable to a fully charged extinguisher having a maximum mass of 20 kg. Subject to local acceptance, application can be extended to extinguishers having a total mass of up to 25 kg when fully charged.
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Foreword
1 Scope
2 Normative references
3 Terms and definitions
4 Classification of extinguishers
5 Extinguishing media, propellants and filling requirements
5.1 Extinguishing media
5.1.1 Carbon dioxide
5.1.2 Clean agents
5.1.3 Powders
5.1.4 Foam concentrates
5.1.5 Water-based agents
5.2 Propellants
5.3 Filling requirements
5.3.1 Fill density
5.3.2 Filling tolerance
5.3.3 Charges
6 Pressure requirements for low-pressure extinguishers
6.1 Test pressure
6.2 Minimum burst pressure
7 General operating performance requirements
7.1 Operating temperatures
7.2 Minimum effective discharge time and bulk range of discharge
7.2.1 Class A-rated extinguishers
7.2.2 Class B rated extinguishers
7.2.3 Bulk range
7.3 Resistance to temperature changes
7.3.1 Requirements
7.3.2 Test method
7.4 Retention of charge
7.4.1 Routine checks
7.4.2 Retention of charge following partial discharge
7.4.3 Long-term leakage test
7.5 Mechanical resistance
7.5.1 Resistance to impact
7.5.2 Resistance to vibrations
7.6 Resistance to corrosion
7.6.1 External corrosion test
7.6.2 Internal corrosion test for extinguishers using water-based media
7.7 Tapping test (powder extinguishers only)
7.7.1 Requirements
7.7.2 Test apparatus
7.7.3 Test method
7.8 Intermittent discharge test
8 Performance requirements for test fires
8.1 Rating suitability for the various classes of fire
8.1.1 Class A
8.1.2 Class B
8.1.3 Class C
8.1.4 Class D
8.1.5 Class F
8.2 Test fires — General
8.2.1 Operator’s clothing
8.2.2 Requirements for extinguishment
8.2.3 Test extinguishers and method of use
8.2.4 Test schedule
8.3 Class A test fire
8.3.1 Location
8.3.2 Construction
8.3.3 Procedure
8.4 Class B test fire
8.4.1 General
8.4.2 Location
8.4.3 Construction
8.4.4 Fuel
8.4.5 Procedure
8.4.6 Low-temperature extinguishing test
8.5 Class D test fire
8.5.1 General
8.5.2 Metal chip or turning fires
8.5.3 Metal powder or dust fires
8.5.4 Shallow liquid metal fires
8.5.5 Simulated casting fire
8.6 Electrical conductivity of extinguisher discharge
8.6.1 Water-based extinguishers
8.6.2 Requirements
8.6.3 Test for electrical conductivity
8.7 Class F test fire
8.7.1 Location
8.7.2 Construction
8.7.3 Fuel
8.7.4 Procedure
8.8 Class F splash test
8.8.1 Location
8.8.2 Construction
8.8.3 Fuel
8.8.4 Procedure
8.8.5 Requirements
9 Construction requirements
9.1 High-pressure extinguishers
9.2 Low-pressure extinguishers
9.2.1 General requirements
9.2.2 Burst test
9.2.3 Crushing test
9.2.4 Permanent volumetric expansion test
9.2.5 Welded low-carbon steel cylinder
9.2.6 Stainless steel cylinders
9.2.7 Aluminium cylinders
9.3 Carrying handle
9.4 Mounting
9.5 Caps, valves and closures
9.6 Safety devices
9.7 Manufacturing tests
9.7.1 Low-pressure cylinders
9.7.2 Leakage tests
9.8 Requirements for plastics components
9.8.1 General requirements
9.8.2 Requirements for normally pressurized components
9.8.3 Ultraviolet light exposure
9.8.4 Impact resistance
9.8.5 Normally non-pressurized components
9.8.6 Test for exposure to extinguishing medium
9.9 Hose assemblies
9.10 Method of operation
9.11 Safety-locking devices
9.12 Requirements for pressure gauges and indicators for low-pressure extinguishers
9.12.1 General
9.12.2 Calibration test — Gauges and indicators
9.12.3 Burst strength test — Gauges and indicators
9.12.4 Overpressure test — Gauges
9.12.5 Impulse test — Gauges
9.12.6 Pressure gauge relief test
9.12.7 Water resistance test — Gauges and indicators
9.12.8 Leakage test — Gauges and indicators
9.12.9 Plastics components — Gauges and indicators
9.13 Dip-tubes and filters — Water-based extinguishers
9.14 Special requirements for CO2 extinguishers
9.15 Gasket and O-rings
9.15.1 Tensile strength, elongation, maximum set and hardness
9.15.2 Compression set
10 Marking and colour
10.1 Colour
10.2 Marking
10.2.1 General
10.2.2 Use-code symbols
10.2.3 Recharging instructions
10.3 Inspection instructions
11 Manuals
11.1 User manual
11.2 Service manual
Annex A (normative) Alternate test fire for powder extinguishers with a rating exceeding 144B
Annex B (normative) Polar solvents
Annex C (normative) Clean agent FK-5-1-12 — Extinguishing agent physical properties
Annex D (normative) Clean agent HCFC Blend B — Extinguishing agent physical properties
Annex E (normative) Clean agent HFC-227ea — Extinguishing agent physical properties
Annex F (normative) Clean Agent HFC-236fa — Extinguishing agent physical properties
Bibliography
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Foreword
1 Scope
2 Normative references
3 Terms and definitions
4 Classification of extinguishers
5 Extinguishing media, propellants and filling requirements
5.1 Extinguishing media
5.1.1 Carbon dioxide
5.1.2 Clean agents
5.1.3 Powders
5.1.4 Foam concentrates
5.1.5 Water-based agents
5.2 Propellants
5.3 Filling requirements
5.3.1 Fill density
5.3.2 Filling tolerance
5.3.3 Charges
6 Pressure requirements for low-pressure extinguishers
6.1 Test pressure
6.2 Minimum burst pressure
7 General operating performance requirements
7.1 Operating temperatures
7.2 Minimum effective discharge time and bulk range of discharge
7.2.1 Class A-rated extinguishers
7.2.2 Class B rated extinguishers
7.2.3 Bulk range
7.3 Resistance to temperature changes
7.3.1 Requirements
7.3.2 Test method
7.4 Retention of charge
7.4.1 Routine checks
7.4.2 Retention of charge following partial discharge
7.4.3 Long-term leakage test
7.5 Mechanical resistance
7.5.1 Resistance to impact
7.5.2 Resistance to vibrations
7.6 Resistance to corrosion
7.6.1 External corrosion test
7.6.2 Internal corrosion test for extinguishers using water-based media
7.7 Tapping test (powder extinguishers only)
7.7.1 Requirements
7.7.2 Test apparatus
7.7.3 Test method
7.8 Intermittent discharge test
8 Performance requirements for test fires
8.1 Rating suitability for the various classes of fire
8.1.1 Class A
8.1.2 Class B
8.1.3 Class C
8.1.4 Class D
8.1.5 Class F
8.2 Test fires — General
8.2.1 Operator’s clothing
8.2.2 Requirements for extinguishment
8.2.3 Test extinguishers and method of use
8.2.4 Test schedule
8.3 Class A test fire
8.3.1 Location
8.3.2 Construction
8.3.3 Procedure
8.4 Class B test fire
8.4.1 General
8.4.2 Location
8.4.3 Construction
8.4.4 Fuel
8.4.5 Procedure
8.4.6 Low-temperature extinguishing test
8.5 Class D test fire
8.5.1 General
8.5.2 Metal chip or turning fires
8.5.3 Metal powder or dust fires
8.5.4 Shallow liquid metal fires
8.5.5 Simulated casting fire
8.6 Electrical conductivity of extinguisher discharge
8.6.1 Water-based extinguishers
8.6.2 Requirements
8.6.3 Test for electrical conductivity
8.7 Class F test fire
8.7.1 Location
8.7.2 Construction
8.7.3 Fuel
8.7.4 Procedure
8.8 Class F splash test
8.8.1 Location
8.8.2 Construction
8.8.3 Fuel
8.8.4 Procedure
8.8.5 Requirements
9 Construction requirements
9.1 High-pressure extinguishers
9.2 Low-pressure extinguishers
9.2.1 General requirements
9.2.2 Burst test
9.2.3 Crushing test
9.2.4 Permanent volumetric expansion test
9.2.5 Welded low-carbon steel cylinder
9.2.6 Stainless steel cylinders
9.2.7 Aluminium cylinders
9.3 Carrying handle
9.4 Mounting
9.5 Caps, valves and closures
9.6 Safety devices
9.7 Manufacturing tests
9.7.1 Low-pressure cylinders
9.7.2 Leakage tests
9.8 Requirements for plastics components
9.8.1 General requirements
9.8.2 Requirements for normally pressurized components
9.8.3 Ultraviolet light exposure
9.8.4 Impact resistance
9.8.5 Normally non-pressurized components
9.8.6 Test for exposure to extinguishing medium
9.9 Hose assemblies
9.10 Method of operation
9.11 Safety-locking devices
9.12 Requirements for pressure gauges and indicators for low-pressure extinguishers
9.12.1 General
9.12.2 Calibration test — Gauges and indicators
9.12.3 Burst strength test — Gauges and indicators
9.12.4 Overpressure test — Gauges
9.12.5 Impulse test — Gauges
9.12.6 Pressure gauge relief test
9.12.7 Water resistance test — Gauges and indicators
9.12.8 Leakage test — Gauges and indicators
9.12.9 Plastics components — Gauges and indicators
9.13 Dip-tubes and filters — Water-based extinguishers
9.14 Special requirements for CO2 extinguishers
9.15 Gasket and O-rings
9.15.1 Tensile strength, elongation, maximum set and hardness
9.15.2 Compression set
10 Marking and colour
10.1 Colour
10.2 Marking
10.2.1 General
10.2.2 Use-code symbols
10.2.3 Recharging instructions
10.3 Inspection instructions
11 Manuals
11.1 User manual
11.2 Service manual
Annex A (normative) Alternate test fire for powder extinguishers with a rating exceeding 144B
Annex B (normative) Polar solvents
Annex C (normative) Clean agent FK-5-1-12 — Extinguishing agent physical properties
Annex D (normative) Clean agent HCFC Blend B — Extinguishing agent physical properties
Annex E (normative) Clean agent HFC-227ea — Extinguishing agent physical properties
Annex F (normative) Clean Agent HFC-236fa — Extinguishing agent physical properties
Bibliography