• Product Group: Dampers
  • Minimum Order: 1 pcs.
  • Availability : In Stock

• Chasis and blades are made of galvanised steel sheet or aluminum profile.
• Back Draft damper is designed to prevent back-flow when fan motor is off and to open when fan motor is on. Provides one-way flow in ducting system.
• Has two models: Standart Model (BDD-142) and Circular Model (BDD-242).
• Reduces the heat loss and prevents ingress of dust, rain, insect and bird when system is off.
• Optional: Flow rate – Pressure settings can be done with balance load.
• Provides fast response against extreme pressure changes in the ducting system by opening blades.

Click to download Product Data Sheet.