Blauberg Circular In Line Back Draught Shutter Butterfly Action
As low as £18.31 £15.26
In stock
Model features
- In-line air operated butterfly action back draught shutter.
- Duct diameters from 100mm to 315mm.
- Spring loaded blades manufactured from lightweight aluminium.
- Casing manufactured from galvanised steel.
- Design to fit standard sized solid or spiral ducting or extractor fan spigots.
| FEATURES
For automatic shutoff of the air ducts and prevention of back drafting when the fan is off. Suitable for installation in various premises. Compatible with Ø 100 up to 315 mm round air ducts. DESIGNGalvanized steel case. Two spring-loaded blades made of aluminium. Blades are opened by air pressure and are closed with a spring. |
MOUNTING
Fixing to round ducts with clamps. Provide vertical position of blade axis. Install the backdraft damper into the ventilation system with respect to the air flow direction. |
| Manufacturer | Blauberg |
|---|---|
| Tax Class | Taxable Goods |
