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DIN EN 3-7:2007-10

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
National Annex NA (normative) Test fire for testing Class
                  D fire extinguishers
National Annex NB (informative) Bibliography

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

DevelopmentNote
Supersedes DIN EN 3-1 E, DIN EN 3-2 E, DIN EN 3-4 E and DIN EN 3-5 E. (07/2004)
DocumentType
Standard
Pages
56
PublisherName
German Institute for Standardisation (Deutsches Institut für Normung)
Status
Current

Standards Relationship
EN 3-7:2004+A1:2007 Identical

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
DIN 14406-4 Beiblatt 2:1997-09 PORTABLE FIRE EXTINGUISHERS - PART 4: MAINTENANCE - INFORMATION FOR RELATIONSHIP BETWEEN DIN 14406-4 AND FIRE EXTINGUISHERS ACCORDING TO DIN EN 3
DIN 14406-4 Beiblatt 1:2015-12 Portable fire extinguishers - Part 4: Maintenance; Supplement 1: Information for application
ISO 9227:2017 Corrosion tests in artificial atmospheres — Salt spray tests
EN 2:1992/A1:2004 CLASSIFICATION OF FIRES

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