AEROVAC – AV-11-G-G-F / MVCD-G-G-F-200 low leakage Volume control dampers are most popular choice for use in low to medium velocity and pressure commercial HVAC systems. They are low cost, high quality dampers that meet the frequently specified leakage criteria of less than 8cfm per sq. ft. at 4″ w.g. (148 M3/hr/M2).
Design features include durable steel construction, a sturdy 20-16 ga. galvanized steel hat channel frame with die-formed corner gussets providing superior structural strength equivalent to 13 ga. (2.4 mm) channel type frames, an interlocking vee groove blade design that maximizes strength and optimizes airflow, double bolted / riveted no slip blade axle connections with Brass /Nylon bearings, Silicon extruded blade seals and a no-maintenance concealed linkage located within the side frame out of the air stream for reduced pressure drop, air turbulence and noise. A variety of electric or pneumatic actuators are available for factory or field mounting along with a comprehensive selection of options to meet specific installation requirements and applications.
Frame : 20-16 ga. galvanized steel hat channel with die-formed corner gussets
Blades : 6″ (152) wide on 5 1/2″ (140) centers. 18-16 ga. galvanized steel Vee groove design. Opposed / Parallel action.
Linkage : Concealed type totally enclosed within the frame and out of the air stream (Plated steel).
Thrust Bearings: 12 mm dia. Brass Bush,Nylon /Bronze Bush (Optional) – each end of every blade.
Axles: 12 mm dia. Galvanized Steel.
Blade Seals: Silicon extruded Rubber Gasket (Optional).
Operation: Manual Quadrant. (AV-11-G-G-F)