BDA

Description:

  • Back Draught Shutter
  • Galvanized steel circular backdraught shutter with aluminum blades for mounting in between 2 ducts
  • For airflow control in ventilation systems
  • The aluminum blades will open when blades are exposed to overpressure and will shut again when pressure drops
  • Temperature usage up to +50°C
  • Galvanized natural finish
  • Install the shutter into horizontal ducting
  • Shutter spindle should be vertical
  • The shutter is installed into piping by simple slide-in
  • Available in different sizes — 4″, 5″, 6″, 8″, 10″, 12″

Product Specification Sheet