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Advanced Valve Design offers a backdraft damper fabricated to meet a wide variety of special design requirements based on temperatures, pressures, velocities and environmental conditions. These dampers are counterbalanced to relieve at extremely low pressures. The adjustable counter balance weights enable the dampers to operate over a wide range of pressures. Dampers are available in steel, stainless steel, aluminum or any other commercial alloy.


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Advanced Valve Design offers radial vane dampers which are used for flow control devices for fan inlets. They are sometimes referred to as variable inlet vanes or internal vane controls.

Radial Vane dampers are available with electric, pneumatic, or manual actuation.