Fire detection and fire alarms systems - Part 27: Duct smoke detectors
|Publication Date:||1 March 2015|
|ICS Code (Fire protection):||13.220.20|
NEN-EN 54-27 specifies requirements, test methods and performance criteria for fire detectors which detect smoke in air ducts in buildings as a part of a fire detection and fire alarm system or as an actuator for a fire protection system. Duct smoke detectors with special characteristics and developed for specific risks are not covered by this document.