Fixed firefighting systems - Gas extinguishing systems - Part 6: Physical properties and system design of gas extinguishing systems for HFC 23 extinguishant
This part of EN 15004 contains specific requirements for gaseous fire-extinguishing systems@ with respect to the HFC 23 extinguishant. It includes details of physical properties@ specification@ usage and safety aspects and is applicable to systems operating at a nominal pressure of 41 bar without nitrogen superpressurization and 70 bar superpressurized with nitrogen.