Portable fire extinguishers - Characteristics, performance requirements and test methods Ingestion-build-117251 Expression of the persistent characteristics

Expression of the persistent characteristics and supporting principles of a system to guide acceptable change

needs to demonstrate its ability to consistently provide product that meets customer and applicable regulatory requirements

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

Relative position of anchorages

which may be held behind or surrounded by a membrane through which the target substances can permeate

Portable fire extinguishers - Characteristics, performance requirements and test methods Ingestion-build-117251 Expression of the persistent characteristicsBS 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