SPIRAL REINFORCED DUCTING - DUO-DUCT (OVAL)
The PVC spiral reinforced duo-duct is used with positive and negative pressure and low head room.
- Standard lengths: 7.5m (25ft)
- Order by standard diameters. (see table below in Documentation)
- The ventilation duct/tubing is certified by Natural Resources Canada under Certification # 1181. The ducting/tubing also conforms to CAN/CSA-M427-M91.
Atkinson Equation for Vent Duct Losses @ 0.075. Use the Excel spreadsheet to make your calculations.