PREN 15004-5-2014 Fixed firefighting systems - Gas extinguishing systems - Part 5: Physical properties and system design of gas extinguishing systems for HFC 227ea extinguishant
This part of EN 15004 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 part of EN 15004 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.
PREN 15004-5-2014 history
2014PREN 15004-5-2014 Fixed firefighting systems - Gas extinguishing systems - Part 5: Physical properties and system design of gas extinguishing systems for HFC 227ea extinguishant