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Dampers

Dampers
Dampers
A damper is a device that regulates airflow inside ducts or chimneys. They are standard components in HVAC systems, used for zone-by-zone temperature and climate control.

Most modern dampers are automatically operated, controlled by damper actuators which are in turn controlled by HVAC controllers like thermostats and other building automation systems. Electronic damper actuators provide increased degrees of damper control with modulating and floating functions. They are ideal for variable air volume installations to control return air, mixed air, exhaust and bypass dampers.

Dampers can also be used to prevent the spread of fire and smoke, with properly-rated dampers and damper actuators. These systems meet specific safety requires and feature fast-acting mechanisms.

M72 Series Image
  • Integral Junction Box Provides NEMA 3 Weather Protection If Motor Is Mounted in the Upright Position
  • All Models Have Dual Shafts (Slotted and Tapped On Both Ends)
  • Motors Have Field Adjustable Stroke (90 to 160 Degrees)
  • Fixed Torque throughout the Entire Voltage Range
  • Motor and Circuitry Operate from 24 VAC
  • All Models Have Auxiliary Switch Cams
Series 72 Modutrol IV Motors non-spring return motors used to control dampers and valves. These motors accept a voltage signal from an electronic controller to position a damper or valve at any point between open and closed.
Zelix S05 Series Image
  • Models Available for Use with Two-Position, SPST, Line- (Series 40) or Low- (Series 80) Voltage Controls
  • Models Available with Combined Floating and Modulating Control in a Single Device
  • Models Available for Use with Proportional Current or Voltage (Series 70) Controls
  • Models Available for Use with Floating or Switched SPDT (Series 60) Controls
  • Self-Centering Shaft Adaptor (Shaft Coupling) For Wide Range of Shaft Sizes
  • Brushless DC Submotor with Electronic Stall Protection on All Models
  • Spring Return Direction Field Selectable
The Zelix S05 is a 44 lb-in (5Nm), spring return direct-coupled, line voltage actuator that accepts two-position (SPST) control for: air dampers, air handlers, ventilation flaps, louvers, and ball valves.
M41 Series Image
  • Integral Junction Box Provides NEMA 3 Weather Protection If Motor Is Mounted in the Upright Position
  • Motors Are Designed for Either Normally Open or Normally Closed Valves and Dampers
  • Integral Spring Return Returns Motor to Normal Position in the Event of Power Failure
  • All Models Have Dual Shafts (Slotted and Tapped On Both Ends)
  • Motors Have Field Adjustable Stroke (90 To 160 Degrees)
  • Fixed Torque throughout the Entire Voltage Range
  • Motor and Circuitry Operate from 24 VAC
Series 41 Modutrol IV motors are 2-position (line- and low-voltage per motor control) spring-return motors. They are used to operate dampers or valves in applications where it is necessary or desirable to have the controlled element return to the starting position in the event of power failure or interruption.
  • Optional Built-In Electronic Fusible Link (EFL) Capability with Four Temperature Ratings: 165F (74C), 212F (100C), 250F (121C), 350F (177C)
  • Fifteen-Second Operation at Rated Torque, Temperature and Voltage
  • Pre-Cabled Teflon Insulated Lead Wires
  • Reversible Fail-Safe Spring Return
  • Manual Override
  • All Metal Housing
Intended for use on UL listed smoke control dampers and combination fire/smoke rated dampers, the OpenAir GND Series Direct Coupled, Fast-Acting, Two-position, Spring Electronic Actuators are available in 24 VAC/DC, 120 VAC, and 230 VAC models. The GND Series Spring Return Electronic Actuator is used for the control of dampers requiring up to 53 lb-in (6 Nm) driving torque. It is intended for control of UL listed smoke control dampers and combination fire/smoke HVAC dampers. This actuator is designed to meet the 2002 revisions to the UL 555/555S and the AMCA Standard 520 specifications.
OpenAir GLB Series Image
  • Self-Adapting Capability for Maximum Flexibility in Damper Positioning
  • Rugged All Metal Housing, Rated NEMA 2
  • Modulating Actuators Contain Built-In Feedback
  • Easy-To-See Position Indicator
  • Quiet, Low-Power Operation
  • Manual Override
  • Compact Design
The OpenAir GLB Series Direct-coupled 24 VAC Non-spring Electronic Actuator is designed for 0 to 10 VDC or floating control of building HVAC dampers. The OpenAir GLB Series Damper Actuators are used in constant or variable air volume installations for the control requiring up to 88 lb.-in. (10 Nm) torque.
OpenAir GGD Series Image
  • Multiple Shaft Couplings Available; Will Accommodate Up to 1.05-Inch Shafts
  • 15-Second Nominal Open Time and Spring Return Time
  • High Temperature Rated Drive System
  • Reversible Fail-Safe Spring Return
  • Mechanical Range Adjustment
  • Teflon Insulated Lead Wires
  • All Metal Housing
  • Manual Override
Intended for use on UL listed smoke control dampers or combination fire/smoke rated dampers, the OpenAir GGD Series Direct-coupled, Fast Acting, Two-position, Spring Return Electronic Actuators are available in 24 VAC, 115 VAC, and 230 VAC models. The GGD Series Spring Return Actuator is used for the control of dampers requiring up to 142 lb.-in. (16 Nm) driving torque. It is intended for control of UL listed smoke control dampers or combination fire/smoke HVAC dampers. This actuator is designed to meet the 2002 revisions to the UL 555S rating up to 350F (177C) and AMCA 500-D specifications.
  • Integral Junction Box Provides NEMA 3 Weather Protection If Motor Is Mounted in the Upright Position
  • All Models Have Dual Shafts (Slotted and Tapped On Both Ends)
  • Motors Have Field Adjustable Stroke (90 to 160 Degrees)
  • Fixed Torque throughout the Entire Voltage Range
  • Motor and Circuitry Operate from 24 VAC
  • All Models Have Auxiliary Switch Cams
Series 71 Modutrol IV Motors non-spring return motors used to control dampers and valves. These motors accept a voltage signal from an electronic controller to position a damper or valve at any point between open and closed.
  • Integral Junction Box Provides NEMA 3 Weather Protection If Motor Is Mounted in the Upright Position
  • All Models Have Dual Shafts (Slotted and Tapped On Both Ends)
  • Motors Have Field Adjustable Stroke (90 to 160 Degrees)
  • Fixed Torque throughout the Entire Voltage Range
  • Motor and Circuitry Operate from 24 VAC
  • All Models Have Auxiliary Switch Cams
Series 61 Modutrol IV Motors non-spring return floating control motors used with controllers that provide a switched SPDT or floating output to operate dampers or valves.
  • Integral Junction Box Provides NEMA 3 Weather Protection If Motor Is Mounted in the Upright Position
  • All Models Have Dual Shafts (Slotted and Tapped On Both Ends)
  • Motors Have Field Adjustable Stroke (90 to 160 Degrees)
  • Fixed Torque throughout the Entire Voltage Range
  • Motor and Circuitry Operate from 24 VAC
  • All Models Have Auxiliary Switch Cams
Series 72 Modutrol IV Motors non-spring return motors used to control dampers and valves. These motors accept a voltage signal from an electronic controller to position a damper or valve at any point between open and closed.
  • Integral Junction Box Provides NEMA 3 Weather Protection
  • All Models Have Dual Shafts (Slotted and Tapped On Both Ends)
  • Motors Have Field Adjustable Stroke (90 to 160 Degrees)
  • Fixed Torque throughout the Entire Voltage Range
  • Motor and Circuitry Operate from 24 VAC
  • All Models Have Auxiliary Switch Cams
Proportional, spring-return motors for use with Honeywell W7080 panel 14-17 Vdc output; with minimum position adjustment.
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