Regulating dampers. AOBD
Regulating damper with opposed and aerodynamic vanes, manufactured in aluminium, KOOLAIR, model AOBD. The body of the damper has built-in air tight gaskets all around its inner perimeter to ensure a tight seal. The movement of the vanes is ensured by means of gears, achieving a proper friction, with manual or motordriven operation. Vanes are…
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