Fire protection valves KPU-DD are designed for automatic closing of openings in enclosing building structures and in channels, are available in general industrial, frost-resistant, corrosion-resistant and explosion-proof version with fire resistance EI 90 and EI 120. Valve type is wall, channel (two connection flanges) and nipple.
The blades (flaps) do not extend beyond the valve body dimension. The actuating mechanism is electric actuator with spring return or reversible (open-closed), electromagnet, thermo-breaking device of duplicating action.
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