Used in air conditioning and ventilation systems of industrial and public buildings at ambient temperature from -40° to +70°С.
Air flow control and ventilation duct shut-off. Casing and swivel plates made of aluminium profile. Reduced risk of blades freezing to each other in winter due to a rubber seal on each swivel plate (no direct contact). Plastic gears and bearing bushings are used for rotation. Square cross-section of the stem to ensure a clear fixation of the damper actuator. The cross-section of the actuator stem is a square with a side of 12 mm. Mounting in any position. In the aluminium damper the length is 125 mm.