DescriptionReviews Description Single channel rectangular fire dampersIt is used during a fire to prevent the fire from spreading to nearby places by closing the air passage.When the temperature reaches 72°C, the fuse melts and the damper blade closes the mechanism.In the mechanical type, any warning signal received by the engine causes the engine to close the wing.The casing is made of galvanized metal sheets.The pavilion is made of double-cut galvanized metal sheets with rock wool insulation in between.The product is installed using screws.An additional case, servo motor, micro switch and mounting frame are optionally available. Reviews Be the first to review this item There are no reviews yet