ELECTRIC FIRE DAMPER 500 X 400mm - Fireproof

The electric (fireproof) damper is installed on the supply and return air ducts of the ventilation and air conditioning equipment in the open position and closes when the temperature of the smoke in the pipeline reaches 70 ℃ during a fire. It consists of various types, such as valve body, blades, actuators and object sensors Rectangular valve: FHF WSDc-FK-W×H Circular valve: FHF WSDc-FK-φD Temperature sensor nominal operating temperature: 70℃ Air regulation: Yes rated operational voltage: DC24V Rated current: ≤0.7A Material: Carbon steel spray painting, hot-dip galvanized steel plate, stainless steel plate Size: 500 X 400 mm