IRIS-M Motorized Dampers


Imagine being able to measure airflow while setting the control limits!

With Continental Fan’s IRIS-M Motorized Dampers, minimum and maximum airflows are precisely measured within +/- 5% by using the pressure ports, and altered by means of the actuator adjustment screws.

The IRIS-M Motorized Damper quietly and accurately varies airflow in response to a 0-10 VDC or 4-20 mA signal, to precisely control temperature, humidity, or ventilation rate. An external switch retracts the damper fully for duct cleaning.

Made from galvanized steel with neoprene seals, six sizes fit standard ducts from 4” to 12” diameter. Put control at your fingertips with the IRIS-M Motorized Damper.

  • IRIS Dampers [Galvanized, Non-Motorized] in sizes up to 32”
  • IRIS-S Stainless Steel Dampers in sizes up to 32”


  • Automatic measurement and control of airflow
  • Control temperature, humidity, ventilation rate
  • Accepts either 0-10 VDC or 4-20 mA signal
  • Fingertip control with adjustable set-points
  • Calibrated for precise airflow measurement
  • Interlocking galvanized steel plate construction
  • Available in six sizes: 4” through 12” diameter
  • Capacities: 15 cfm to 4,000 cfm
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