Metal Fire Rated Supply valve

Description
Metal supply 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 supply diffuser for installation in ceilings. The grille has a lockable central cone which is rotated to adjust the pressure and consequently the air volume. Please note the centre plate is somewhat more concave than the picture as its a supply valve.

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

Adjustment
The pressure is adjusted by rotating the valve cone.

Sizes available up to 150mm