21/30397078 DC

This standard 21/30397078 DC BS ISO 14520-17. Gaseous fire-extinguishing systems. Physical properties and system design is classified in these ICS categories:

• 13.220.10 Fire-fighting

This Standard contains specific requirements for gaseous fire-extinguishing systems, with respect to the Halocarbon Blend 55 extinguishant. It includes details of physical properties, specification, usage and safety aspects. It also covers systems operating at nominal pressures of 25 bar, 35 bar and 42 bar, super pressurized with nitrogen. This does not preclude the use of other systems.