ISO DIS 14520-9
Gaseous fire-extinguishing systems - Physical properties and system design - Part 9: HFC 227ea extinguishant
|Publication Date:||26 December 2018|
|ICS Code (Fire-fighting):||13.220.10|
This document 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.
This document 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.