The material is welded in purpose-built, high frequency machines to form flexible tubes.
- Tube diameters vary from 300mm to 3000mm (12 inches to 120 inches).
- Standard lengths: 15m, 7.5m (50ft, 25ft)
- Custom lengths available.
- A separate suspension tab is radio frequency welded to the tubing.
- 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.