ISO 14520-6:2006

Gaseous fire-extinguishing systems — Physical properties and system design — Part 6: HCFC Blend A extinguishant

ISO 14520-6:2005 gives specific requirements for gaseous fire-extinguishing systems, with respect to the HCFC Blend A extinguishant. It includes details of physical properties, specification, usage and safety aspects and is applicable to systems operating at nominal pressures of 25 bar and 42 bar with nitrogen propellant. This does not preclude the use of other systems.