NEW: air regulation damper by Systemair

Back draft damper for installation in horizontal ducts

The profiled vanes produce a strong upward force which reduces the air resistance. This means that the vanes opens fully at low air velocities as well. The box is manufactured from galvanised sheet steel. The damper inside the box is manufactured in weather-resistant and shock-proof nylon material. The robust construction ensures that the vanes will not become deformed or loose. Air velocity should not exceed 12 m/s.

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Systemair

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NEW: air flow regulator by Systemair

Optima Series

Variable Air Volume terminal units.

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NEW: air flow regulator by Systemair

The air flow regulator RDA is an element placed inside the duct in order to obtain a constant flow within a pressure range from 50 to 200 Pascal. It is used in ventilation or air conditioning systems for supply or return air.

Ordering code RDA-80-15/30/45 80 - size of the duct in mm 15/30/45 - possible air volumes in m3/h Function The air is forced to pass through predetermined space in which a flap can change the position according to the specified air flow. The flap is attached on to a calibrated spring and therefore no auxiliary power is needed. Possible air volumes can be adjusted by...

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