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Rectangular ducts 10"x04" and smaller rectangular ducts 14" x 08" to 6" x 6"
rectangular ducts 24" x 08" to 14" x 08" rectangular ducts 14" x 12" to 14" x 08"
rectangular ducts 24" x 12" to 14" x 12"
Rectangular Flexdamper Sizing Chart
Install through the register or plenum into an existing rectangular section of sheet metal. Remotely powered by air, the rectangular Flexdampers are not hindered by the presence of a bulky motor on the outside of the damper or on the inside of the damper to disrupt airflow.
Easily bent or folded, the rectangular Flexdamper is inserted through a register or other smaller opening, making this damper your only option for retrofitting air control into ducts that have been covered with sheet rock or other obstacles, eliminating sheet metal cutting.
Rectangular Flexdampers fit several sizes of duct, due to their "trim-to-fit" design. Simply measure the size of the duct and trim the blade and base of the rectangular Flexdamper to the correct size using scissors or a razor knife.
Specs for Round and Rectangular Flexdampers
Rated Cycles: Average of 250,000 cycles, depending on environment
Temperature Range: 0° to 200° F intermittent, 0º to180º F continuous Inflation Pressure: 10 W.C. (Approx.1/3 PSI)
Leakage: 10% Average.
Static Pressure: Flexdampers are rated for static pressure to .5"
Pump: 110VAC with 24VAC interface. A single pump will handle most applications. Certain installations requiring automatic heat/cool changeover, or using multiple large Flexdampers will require faster actuation times--add a second pump if needed.