air-conditioning duct with flow volume control and fire prevention demand
Manually open the damper to reset the system
| Characteristics: | Fire Damper | |||
| Material: | Aluminium ; Stainless steel or Galvanized sheet | |||
| Fixing: | Fixing by screws or clips | |||
| Packing material: | cardboard | |||
| Packing method: | packaging by cardboard carton box | |||
| Delivery terms: | 1-30 days after receive the subscription | |||
| Payment terms: | Pay 30% deposit at order(by T/T) and 70% before shipment (by T/T) | |||
| Product description: | Smoke and fire damper is applicable to the ventilation, air-conditioning duct with flow volume control and fire prevention demand. Usually the damper is open. when fire occurred, the fuse plug promptly close automatically. Manually open the damper to reset the system. (1) Fire signal or manually pulling the valve so that the damper rapidly close. Power supply at DC24V, 0.7A. (2) Rate of operation at 70°C or 280°C, the damper Closed. (3) Adjusting air flow volume at five levels. (4) The output valve shut down signal and control linkage, and the fire fighting center control the fans to stop. (5) Circular fire smoke damper uses rectangular damper body equipped with a circular angle iron flange. | |||
