Metal Fire Rated Exhaust valve

Description
Metal exhaust grille with integrated fire damper.

Tested to BS1365-2 and tested in timber floor/ceiling. Suitable replacement for fire rated dampers.

Function
This is an exhaust diffuser for installation in ceilings. The grille has a lockable central cone which is rotated to adjust the pressure and consequently the air volume.

Mounting
All sizes can be installed directly onto the duct. Mounting ring included.

Adjustment
The pressure is adjusted by rotating the valve cone.

Other sizes available up to 200mm