SecuriSmoke ASD Heavy Duty – for extreme environments
Securiton’s aspirating smoke detectors are among the most reliable fire early warning systems available. The SecuriSmoke ASD 535 HD version is specially designed for extreme environments where other detectors are pushed to their performance limits. The example of a Norwegian chicken farm shows just how robust and resilient the SecuriSmoke ASD 535 Heavy Duty really is.
The task might sound simple, but the implementation poses a number of challenges. Norwegian company Nortek Security & Technology AS was given the task of safeguarding a chicken farm containing some ten thousand animals from fire. It quickly found the solution by installing aspirating smoke detectors from Securiton, whose versatile and successful SecuriSmoke ASD range includes exactly the right solutions. Since chicken farms are by nature very dusty, Nortek has learned that two factors are decisive for this type of application: the blower speed must be high enough to prevent dust covering the aperture, as humidity can be high and the dust is like flour. Also, high blower speeds keep the dust in the filter as intended: the DFU 911 dust filter with integrated protection flap is specially developed for extreme applications.
An ASD for every area
The high-performance Securiton ASD 535 HD (Heavy Duty) model was installed in very dusty parts of the Norwegian chicken farm, as its components have a special protective layer to provide the electronics with all-round protection. The chicken farm is emptied and cleaned every five weeks. During this process, the detectors are deactivated and the filters replaced if necessary. In addition, the aspirating tubes are checked. The system is then put back into operation for another five weeks of production. Filter changes are recommended every six months, or more often if required.
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