EN 15004-9:2017

European foreword
1 Scope
2 Normative references
3 Terms and definitions
4 Characteristics and uses
5 Safety of personnel
6 System design
7 Environmental properties

1.1This part of EN 15004 contains specific requirements for gaseous fire-extinguishing systems, with respect to the IG-55 extinguishant. It includes details of physical properties, specification, usage and safety aspects.1.2This part of EN 15004 covers systems operating at nominal pressures of 150 bar at 15 °C, 200 bar at 15 °C and 300 bar at 15 °C. This does not preclude the use of other systems, although design data for other pressures are not available at this time.