Air Valves

For supply or extract air, fully adjustable inner core which regulates air volume, noise level and pressure drop.

Supply air valve has purpose designed diffuser inner cone whilst the extract valve has a convexed inner core.

Suitable for ceiling and duct mounting.


From sheet steel, degreased, phosphated and finished white RAL 9010 polyester powder.

Optional fusible link assembly for fire resistance available on limited sizes.

Size and Weight

From 80mm to 200mm Ø neck size.

Air valve only 1.5kg/m².

Air Valve product image
Air Valves

Diffusers range

Air-Jets product image


High capacity air jet diffuser consisting of concentric rings assembled with a pivoting eyeball adjustment facility to 30° from its axis.