Historical
ISO 14520-9:2016
Gaseous fire-extinguishing systems - Physical properties and system design - Part 9: HFC 227ea extinguishant
ISO 14520-9:2016 contains specific requirements for gaseous fire-extinguishing systems, with respect to the HFC 227ea extinguishant. It includes details of physical properties, specification, usage and safety aspects.
ISO 14520-9:2016 covers systems operating at nominal pressures of 25 bar, 42 bar and 50 bar with nitrogen propellant. This does not preclude the use of other systems.
International Organization for Standardization [iso]
