Spiral duct vertical - fixed to concrete wall by cantilever arms

Solution generally used for:
  • Various spiral ducts in shafts.
  • EPDM lining provide noise insulation.
  • Duct close to wall.

Click on the numbers below to go to the online catalogue.

Share this: 
Walraven SPRL - Ambachtenlaan 30 3300 Tienen (Belgique) Tel. +32 (0)16 82 20 40