Blauberg VK (round)
For manual regulation of air flow volume in the air ducts.Compatible with Ø 80 to 450 mm round air ducts.MOUNTING
Fixing to round ducts with clamps.
The casing and the rotary blade are made of galvanized steel. Airtight connection to air ducts due to rubber seals. Air flow manual regulation with a metal handle equipped with a lever and a locking device for fixing the position of the rotary blades.In closed position about 10 % of cross section is left open.