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  • The ND Damper is constructed using Heavy Duty 0.80” extruded aluminum.
  • Nylon Bearings for quiet operation.
  • Overlapping parallel blade design.
  • Reliable operation up to 1.5”wc and 1500FPM duct velocities.
  • The UL Listed Motor Actuator.
  • 24vac 3 wire power open/ power close or floating function.
  • The motor actuator is rated at 18”lbs. of torque. Superior to low torque Spring type motors.
  • The Motor Actuator housing is rated NEMA1.
  • Integrated End-Stop Adjustment allows a percentage of Relief Air (Leakage) when the damper is powered closed.
  • You may set a maximum open position as well, which is useful during test and balancing procedures.
  • Bright green and red LED’s Indicate damper open and closed position.

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Rectangular Damper Size and Price Chart

Additional information


8X6 ND, 8X8 ND, 10X6 ND, 10X8 ND, 10X10 ND, 12X6 ND, 12X8 ND, 12X10 ND, 12X12 ND, 14X6 ND, 14X8 ND, 14X10 ND, 14X12 ND, 14X14 ND, 16X6 ND, 16X8 ND, 16X10 ND, 16X12 ND, 16X14 ND, 16X16 ND, 18X6 ND, 18X8 ND, 18X10 ND, 18X12 ND, 18X14 ND, 18X16 ND, 18X18 ND, 20X6 ND, 20X8 ND, 20X10 ND, 20X12 ND, 20X14 ND, 20X16 ND, 20X18 ND, 20X20 ND, 22X6 ND, 22X8 ND, 22X10 ND, 22X12 ND, 22X14 ND, 22X16 ND, 22X18 ND, 22X20 ND, 22X22 ND, 24X6 ND, 24X8 ND, 24X10 ND, 24X12 ND, 24X14 ND, 24X16 ND, 24X18 ND, 24X20 ND, 24X22 ND, 24X24 ND, 26X6 ND, 26X8 ND, 26X10 ND, 26X12 ND, 26X14 ND, 26X16 ND, 26X18 ND, 26X20 ND, 26X22 ND, 26X24 ND, 26X26 ND, 28X6 ND, 28X8 ND, 28X10 ND, 28X12 ND, 28X14 ND, 28X16 ND, 28X18 ND, 28X20 ND, 28X22 ND, 28X24 ND, 28X26 ND, 28X28 ND, 30X6 ND, 30X8 ND, 30X10 ND, 30X12 ND, 30X14 ND, 30X16 ND, 30X18 ND, 30X20 ND, 30X22 ND, 30X24 ND, 30X26 ND, 30X28 ND, 30X30 ND, 8X10 ND, 8X12 ND, 8X14 ND, 8X16 ND, 8X18 ND, 8X20 ND, 8X22 ND, 8X24 ND, 8X26 ND, 8X28 ND, 8X30 ND, 10X12 ND, 10X14 ND, 10X16 ND, 10X18 ND, 10X20 ND, 10X22 ND, 10X24 ND, 10X26 ND, 10X28 ND, 10X30 ND, 12X14 ND, 12X16 ND, 12X18 ND, 12X20 ND, 12X22 ND, 12X24 ND, 12X26 ND, 12X28 ND, 12X30 ND, 14X16 ND, 14X18 ND, 14X20 ND, 14X22 ND, 14X24 ND, 14X26 ND, 14X28 ND, 14X30 ND, 16X18 ND, 16X20 ND, 16X22 ND, 16X24 ND, 16X26 ND, 16X28 ND, 16X30 ND, 18X20 ND, 18X22 ND, 18X24 ND, 18X26 ND, 20X22 ND, 20X24 ND


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