89 FEATURES All extruded aluminium construction. Self inflating Rubber Blade Tip Seals. Nylon Bearings to ensure smooth action. Hexagonal shaft supplied to suit motor operation (motor not supplied). High temper 50mm aluminium venetian side seals. VOLUME CONTROL DAMPER MOTORISED Model ADVCDMOT DESIGN DETAILS (mm) Damper ADVCDMOT APPLICATIONS General purpose volume control damper with hexonal shaft to suit motor operation. All aluminium construction. More resistant to corrosion enabling them to be used in areas of high humidity, like swimming centres and tropical environments. Significantly lighter than their steel counterparts. Easy to operate. Low leakage when closed and they create very little resistance when open. AIRWAY SIZE 152 35 145