Fire extinguishing installations and equipment on premises. Foam systems - Specification for medium and high expansion foam systems Ingestion-build-126766 chimney installation work likely to

chimney installation work likely to be undertaken by gas engineers and operatives working under UK gas industry conditions and requirements for the maintenance of chimneys

This part of BS EN ISO 4126 gives the most up to date requirements for Controlled Safety Pressure Relief (CSPR) systems irrespective of the fluid for which they are designed

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The requirements are followed by specifications for the relevant tests

further EMC tests (both immunity and emission) can be required for the intended use

Fire extinguishing installations and equipment on premises. Foam systems - Specification for medium and high expansion foam systems Ingestion-build-126766 chimney installation work likely toBS 5306 6. 2: 1989 specifies requirements and gives recommendations for the design, installation and maintenance of fixed and semi fixed systems; ancillary portable or transportable equipment provided as part of a pre planned scheme for applying medium and high expansion foam to fires in buildings, industrial plant and storage facilities. Application rates are specified for medium expansion foam to flammable liquid fires, and for high expansion foam