Rectangular fire damper for general ventilation systems with an electric spring return actuator or a spring mechanism with a thermal fuse.
Fire damper LPP-L type designed for use in household ventilation (general ventilation) in places where ventilation installation is going through construction baffles which have specific fire resistance.
Its function consists in prevention of fire and smoke spread through ventilation installations by maintenance of integrity and/or insulation and/or smoke leakage.