eFlow-IRIS Damper


eFlow IRIS Balancing Damper

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eFlow IRIS Balancing damper is a simple solution for the efficient and precise measurement, balance and control of airflow in ventilation systems. This damper’s built-in static pressure measuring ports allow for airflow to be measured and controlled at a single station. Airflow is simply adjusted with a calibrated control lever. This device saves time and money, from the time it is first installed, by eliminating the need for ongoing balancing. IRIS damper is the ideal solution for office buildings, schools, pharmaceuticals, hospitals, labs, clean room environments and any space requiring accurate airflow regulation.

*Stainless Steel frame and blade options available by special order

● Diameter offered: 3”,4”,5” 6”, 8”, 10”, 12”, 16”, 20”, 25”, 32”
● Airflow settings: 5 cfm to 20,000 cfm
● Factory calibrated for precise airflow measurement
● ±5% accuracy variation
● 22 gauge galvanized steel frame and blade
● Operating temperature range: 32°F – 180°F Continuous, 250°F Intermittent (stainless steel option)
● Full circumference airtight seal
● Single station measurement and control
● Blades fully retract into frame for duct cleaning
● Reduced installation and balancing labor time
● Precise airflow measurement
● Accurate air balancing
● Quiet by design
● Available in Stainless Steel Frame & Blades option

● Healthcare
● Hospitals
● Lab Control
● Clean Room
● Pharmaceuticals
● Dormitories and Schools Buildings
● Government Facilities
● Military facilities

Additional information

Weight 3 lbs
Dimensions 10 × 10 × 10 in

IRIS 3”, IRIS 4”, IRIS 5”, IRIS 6”, IRIS 8”, IRIS 10”, IRIS 12”, IRIS 16”, IRIS 20”, IRIS 25”


Warranty is guaranteed for three (3) years, from the date of shipment, against all defects in material, given that the material has been installed and used under normal conditions. The warranty is limited to the repair or replacement of the material upon its return freight paid to our factory. This warranty is not transferable and is limited to the original end user.

Technical Data Download

eFlow-IRIS Balancing Damper Submittal Sheet

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