BELL VALVE | ACTUATOR | HVAC MANUFACTURER

  How electric iris damper works in air conditioning system MOTORIZED  IRIS  DAMPER • Retracts fully for duct cleaning • Finger tip control with adjustable set-points • Interlocking galvanized steel plate construction • Automatic measurement and control of airflow •  Input  signal ： 0-10 VDC, 2-10 VOC or 4-20 mA ,,0-20mA  signal • Capacities: 15 cfm to 4,000 cfm  , 4,000cfm to 20,000cfm   DESCRIPTION The   motorized iris damper  assembly provides all the benefits of the standard  IRIS damper , plus adds an electronic actuator to allow for remote control of the damper. The  electric iris damper  is available in  all series   , and permits the damper to be controlled by a building control system, or operate as a standalone unit through the use of switches. CONTROL FEATURES •  Input :  0-10 VDC, 2-10 VDC or 4-20mA  ,0- 20mA   • Adjustable min/max po r ts for airflow settings • 2 position or modul...

What is motorized IRIS dampers ? MOTORIZED IRIS DAMPER • Retracts fully for duct cleaning • Finger tip control with adjustable set-points • Interlocking galvanized steel plate construction • Automatic measurement and control of airflow • Input signal ： 0-10 VDC, 2-10 VOC or 4-20 mA ,,0-20mA  signal • Capacities: 15 cfm to 4,000 cfm  , 4,000cfm to 20,000cfm   DESCRIPTION The   motorized iris damper assembly provides all the benefits of the standard IRIS damper , plus adds an electronic actuator to allow for remote control of the damper. The electric iris damper is available in all series   , and permits the damper to be controlled by a building control system, or operate as a standalone unit through the use of switches. CONTROL FEATURES • Input :  0-10 VDC, 2-10 VDC or 4-20mA  ,0- 20mA   • Adjustable min/max po r ts for airflow settings • 2 position or modulating control • Can be f ully open damper  for duct cleaning • Airflow taps for meas...