BS 7937:2000

Committees responsible
Foreword
1 Scope
2 Normative references
3 Terms and definitions
4 Extinguisher types
5 General requirements
6 Portability and use
7 Discharge
8 Test fire ratings
9 Effective range of operating temperatures and
      requirements for mechanical parts
10 Marking
Annex A (normative) Range of discharge
Annex B (normative) Class F fire test
Annex C (normative) Range of operating temperatures
Annex D (informative) Example of marking requirements for
                      portable fire extinguishers for use
                      on cooking oil fires
Annex E (normative) Pictograms representing the types of
                    fire
Figure B.1 - Class 5F fire test apparatus
Figure B.2 - General dimensions for the simulated deep
             fryer Class 15F, 25F and 75F
Figure D.1 - Example of a marking label
Figure E.1 - Pictograms representing types of fire
Table 1 - Exceptions to the requirements of BS EN 3
Table 2 - Duration of discharge
Table 3 - Fire rating and quantity of agent for Class F
          extinguishers
Table C.1 - Temperature cycles

This standard gives the construction and performance requirements for portable fire extinguishers for use on cooking oil and fat fires. It is mainly intended for fires on commercial deep fat fryers.