The Ruskin control dampers are designed for air balancing and control purposes in low/ medium pressure and velocity systems. Opposed & Parallel blade operations are available. Also having models with aerofoil and tripple ‘V’ groove blade which complimented by foam blade edge seals to facilitate low leakage & shut off. True round models are also available. Standard construction available are aluminium extrusions and Galvanized steel. Also special construction and variations are available. In order to meet a wide variety of damper applications such as office buildings or hospitals, Ruskin offers the following features on their control dampers and life safety products.