Portable fire extinguishers - Characteristics, performance requirements and test methods Ingestion-build-117251 but are applied only to

but are applied only to powder type extinguishers which have gained a class B or class A and class B rating

Squareness

Inert Gas- or Halocarbon Gas-Fire Extinguishing Installations

it may be useful to include cross-references to clauses in this standard where applicable to facilitate compliance checking by auditors and business partners

Portable fire extinguishers - Characteristics, performance requirements and test methods Ingestion-build-117251 but are applied only toBS EN 3 7 specifies the characteristics, performance requirements and test methods for portable fire extinguishers. Reference to the suitability of an extinguisher for use on gaseous fires (class C fires) are at the manufacturers discretion, but are applied only to powder type extinguishers which have gained a class B or class A and class B rating. Suitability of extinguishers for use on class D fires (fires involving flammable metals) is outside the