Rocvent - Mine and Tunnel Ventilation

Products

SPIRAL REINFORCED DUCTING

This ducting is manufactured with spring steel wire welded to the ducting using a special extruded PVC profile with wear protection. The spiral ducting is used with negative and positive pressures.

Specifications

            <p>&lt;ul&gt;

<li>Tube diameters vary from 300mm to 3000mm (12 inches to 120 inches). </li> <li>Standard lengths: 7.5m (25ft)</li> <li>Custom lengths available</li> <li>Standard pitch: 150mm & 100mm (6 inch & 4 inch)</li> <li>The ventilation duct/tubing is certified by Natural Resources Canada under Certification # 1181. The ducting/tubing also conforms to CAN/CSA-M427-M91.</li> </ul>

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Documentation

Spiral_Ducting.pdf

Vent Loss

Atkinson Equation for Vent Duct Losses @ 0.075. Use the Excel spreadsheet to make your calculations.

Vent Loss Calculator