Alcance
ISO 14520-6:2016 contains 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.ISO 14520-6:2016 covers systems operating at nominal pressures of 25 bar or 40 bar, superpressurized with nitrogen. This does not preclude the use of other systems.