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27 June 2017
“Because of the explosive nature of the paint used in the hangar, explosion-proof flame detectors were necessary,” commented Brian Myall, Fire Safety Officer for Marshall Aerospace and Defence Group, the company which manages the airport. “Our chosen installer specified Talentum UV/IR2 flame detectors and we are very impressed by their performance and reliability so far.”
In addition to the hazardous area of the hangar, a Fireray 5000 beam smoke detector is installed at ceiling level for general smoke detection.
Flame detectors are ideally suited to this type of installation as they detect almost all types of flickering flames. This is especially important in this application, where flames can originate from the paint and many other sources, including plastics, composites and even metals. By utilising infra-red (IR) sensing, they can also identify flames through dust, steam or smoke and are immune to the effects of wind or draughts.
The Talentum UV/IR2 also gives the highest immunity to false flame sources, with internal self-test sources that check the detector’s operation when remotely instructed. The maximum ambient temperature is normally 55°C or 85°C for the higher temperature specification detectors.
For general smoke detection in large indoor spaces with high ceilings, like aircraft hangars, conventional point smoke detectors are not suitable as they can only be used at heights of up to 10.5 metres. Beam smoke detectors on the other hand can be used up to 40 metres. Wall-mounted, they transmit a beam of invisible infrared light across the building space to be protected and a receiver detects and measures the light and can recognise smoke interference anywhere along the beam path.
All types of aircraft, both civilian and military are painted at the site, which is capable of accommodating planes as large as a Boeing 747. The FFE units were installed by EFireof Norfolk.
FFE is a global design and manufacturing business, dedicated to supplying specialist detection products to the fire industry. Headquartered in the UK with offices in the USA, Dubai, India and China, the company’s two leading brands are the Fireray optical beam smoke detector, with over half a million units installed worldwide, and the Talentumflame detector, one of the world’s most respected flame detector brands. FFE also leads the global market in providing fire extinguishers for aviation use and produces a range of vibration switches for industrial applications. FFE is a Halma Company.
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