Spark extinguishing systems detect and automatically extinguish sparks. Spark sensors are flush-mounted on the walls of the exhaust ducts and detect the infrared radiation immediately and react in milliseconds on it. The ultrahigh-speed extinguishment UHS consists of a special high-speed solenoid valve as well as one or more special spray nozzles that are adapted to this system. With that, Grecon also offers a solution for those areas, the protection of which has only been possible at high expense because pipe distances are too short. In the past a minimum distance of 4 to 7 m between spark detector and extinguishing was necessary for transport ducts with a diameter of 400 mm and a transport speed of 25 m/s, for example. With the BS7 UHS the length of the required extinguishing distance can be reduced to up to 2 m.
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