China Rectangular Electric Galvanized Fire Damper:
Galvanized Fire Damper has much better corrosion resistance, compared to the carbon steel fire damper.
Technical Specification:
Design Standard: CB/T3557-1995
Material: Steel, Stainless Steel, Steel with Galv
Fireproof Class: A0,A15, A30, A60
Certificate:ABS,BV,CCS,DNV,GL,LR,NK,KR
Main Parts:
1. Temperature Sensor
2. Electric Actuator
3. Damper Plate
4. Flange
5. Bearing
6. Damper Body
Main Functions & Features:
1)Normally the electric fire damper is connected with the control power DC24V/AC220V/AC110V to start. Otherwise, the damper is closed.
2)Under the emergency situation, the control center can cut off the power and let the damper close automatically.
3) When the duct temperature reaches 70 ± 3 ℃, or when the outside temperature reaches duct 95 ℃, the temperature fuse is blown, cut off the power, the damper closed;
4) When the damper is closed or open, it can output signals;
5) The fire damper is provided with a complete electric control box which can control to open the damper remotely or nearby.