Ventilation Direct now stock The VK Back Draft Louvre shutters for vertical mounting on a wall.
Our Back dart shutter is ideal for open areas with draft issues and with its durable vanes is ideally suited with plate mounted axial fans – the vanes are solid in there structure but move freely when pressure is applied from either side.
All the parts are manufactured in weather-resistant and shockproof nylon material (PVC containing special synthetic). The robust construction ensures that the vanes will not become deformed or loose. Above size 45, the vanes are fitted with a cast counterweight. Air velocity should not exceed 12 m/s. The louvre shutters are easy to install. Wall plugs and screws are included above size 15
General Information
- Stock Sizes from 400, 450, 500, 560, 630mmDIA
- Goose-wing grey finish
- easy install
- helps to Stops Drafts
Please see downloads for further information
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