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BS EN 3-7 : 2004

Current
Current

The latest, up-to-date edition.

PORTABLE FIRE EXTINGUISHERS - PART 7: CHARACTERISTICS, PERFORMANCE REQUIREMENTS AND TEST METHODS
Available format(s)

Hardcopy , PDF

Language(s)

English

Published date

01-01-2007

Foreword
1 Scope
2 Normative references
3 Terms and definitions
4 General
   4.1 Description of a portable fire extinguisher
   4.2 Control of discharge
   4.3 Operating position
   4.4 Hose assembly
   4.5 Propellants
   4.6 Stored pressure extinguishers
5 Testing of portable fire extinguishers
6 Nominal charges, filling tolerances and minimum fire
   performance
   6.1 Nominal charges
   6.2 Filling tolerances
   6.3 Design of the filling opening, excluding carbon dioxide
        fire extinguishers
   6.4 Minimum fire ratings
7 Duration of operation, residual charge and operating
   temperatures
   7.1 Duration of operation
   7.2 Residual charge
   7.3 Commencement of discharge
   7.4 Effective range of operating temperature
8 Retention of propellant
   8.1 Verification
   8.2 Acceptance levels
   8.3 Production leak tests
9 Dielectric test for water based extinguishers
   9.1 General
   9.2 Required performance
10 Requirements for components
   10.1 General
   10.2 Operation and emission control mechanisms/devices
   10.3 Safety devices
   10.4 Filter for water based portable fire extinguishers
   10.5 Hose and coupling systems
   10.6 Control valve
11 Means of pressure indication
   11.1 Pressure gauge
   11.2 Pressure indicator
12 Horns for carbon dioxide portable fire extinguishers
13 Portable fire extinguisher mounting bracket
14 Resistance to corrosion
   14.1 Resistance to external corrosion
   14.2 Resistance to extinguishing medium of extinguishers using
        water based media
15 Fire performance
   15.1 General
   15.2 Class A fire rating
   15.3 Class B fire rating
   15.4 Class F fire rating
16 Portable fire extinguisher identification
   16.1 Colour
   16.2 Marking
17 Maintenance
Annex A (normative) - Duration of operation, residual charge tests
Annex B (normative) - Range of operating temperature
Annex C (normative) - Dielectric test
Annex D (normative) - Operation and emission control
                      mechanisms/devices
Annex E (normative) - Test for performance of the hose
Annex F (normative) - Control valve test
Annex G (normative) - Tests on the horn
Annex H (normative) - Resistance to corrosion
Annex I (normative) - Fire tests
Annex J (normative) - Measurement of moisture content of wood
Annex K (normative) - Compaction procedure
Annex L (normative) - Specific requirements for Class F fire
                      extinguisher
Annex M (normative) - Polar solvents
Bibliography

Describes the characteristics, performance requirements and test methods for portable fire extinguishers.

Committee
FSH/2/11
DevelopmentNote
Supersedes BS EN 3-1, BS EN 3-2, BS EN 3-4, BS EN 3-5 and 00/541452 DC (02/2004) 2004 Edition Re-Issued in April 2008 & incorporates AMD 1 2007. Supersedes BS 7937(2000) & 05/30143619 DC. (05/2008)
DocumentType
Standard
Pages
56
PublisherName
British Standards Institution
Status
Current
Supersedes

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DEFSTAN 02-860/1(2010) : 2010 REQUIREMENTS FOR THE DESIGN AND MANUFACTURE OF PORTABLE FIRE EXTINGUISHERS
DEFSTAN 23-6/4(2005) : 2005 TECHNOLOGY GUIDANCE FOR MILITARY LOGISTICS VEHICLES
14/30301827 DC : 0 BS 9990 - NON-AUTOMATIC FIRE-FIGHTING SYSTEMS IN BUILDINGS - CODE OF PRACTICE
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BS 5979:2007 Remote centres receiving signals from fire and security systems. Code of practice
BS 5306-1:2006 Code of practice for fire extinguishing installations and equipment on premises Hose reels and foam inlets
BS 5908-2:2012 Fire and explosion precautions at premises handling flammable gases, liquids and dusts Guide to applicable standards and regulations
BS 7863:2009 Recommendations for colour coding to indicate the extinguishing media contained in portable fire extinguishers
08/30184135 DC : DRAFT SEP 2008 BS 7863 - RECOMMENDATIONS FOR COLOUR CODING TO INDICATE THE EXTINGUISHING MEDIA CONTAINED IN PORTABLE FIRE EXTINGUISHERS
PD 6686:2006 Guidance on directives, regulations and standards related to prevention of fire and explosion in the process industries
09/30182748 DC : 0 BS 5306-0 - FIRE PROTECTION INSTALLATIONS AND EQUIPMENT ON PREMISES - PART 0: GUIDE FOR THE SELECTION OF INSTALLED SYSTEMS AND OTHER FIRE EQUIPMENT
DEFSTAN 23-7/2(2011) : 2011 DESIGN GUIDELINES FOR ARMOURED FIGHTING VEHICLES

EN 25923 : 1993 FIRE PROTECTION - FIRE EXTINGUISHING MEDIA - CARBON DIOXIDE
EN 615:2009 Fire protection - Fire extinguishing media - Specifications for powders (other than class D powders)
ISO 657-1:1989 Hot-rolled steel sections Part 1: Equal-leg angles Dimensions
ISO 4470:1981 Sawn timber — Determination of the average moisture content of a lot
ISO 5923:2012 Equipment for fire protection and fire fighting Fire extinguishing media Carbon dioxide
ISO 9227:2017 Corrosion tests in artificial atmospheres — Salt spray tests
EN 2:1992/A1:2004 CLASSIFICATION OF FIRES

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