Fire extinguishing installations and equipment on premises. Foam systems - Specification for medium and high expansion foam systems Ingestion-build-65808 BS EN 4536-2 specifies the

BS EN 4536-2  specifies the characteristics of plain bushes in corrosion resisting steel with self-lubricating liner

irrespective of the degree of supervision

Contain recommendations for welding and brazing

Training service process and sub-processes

Fire extinguishing installations and equipment on premises. Foam systems - Specification for medium and high expansion foam systems Ingestion-build-65808 BS EN 4536-2 specifies theBS 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