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Type K Damper Drives

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The Type K Range offers rotary and linear pneumatic damper drives for utility power plants, refineries, powerhouse boilers, furnaces and process heaters that require precise combustion air and flue gas handling solutions. Type K damper drives have proven to increase boiler efficiency, reduce maintenance, lower fuel consumption and reduce harmful emissions.

  • Drop-In-Place retrofit requires no field engineering or fabrication
  • Improved reliability in high temperature environments
  • Rated for 100% duty-cycle, continuous modulating service
  • Highly accurate to 0.25% resolution
  • Discrete contacts (O/C) and pneumatic, analog or bus network (MOD) communications


  • PM (Pedestal-Mount) Series and DM (Direct-Mount) Series, rotary, 32-13,500 lbf.ft (43-18,225 Nm) torque range, 30-100 degree rotation
    • FasTraK Series are pedestal-mount products offered with one week delivery to replace the most common legacy damper drives. Twelve models available
  • AH (Ash Hopper) Series, rotary, 68-1,500 lbf.ft. (91-2,025 Nm) torque range, 30-100 degree rotation
  • CT Series, linear, 460 lbf. (2,046 N) thrust rating, 5” (127mm) stroke, used for secondary air control on T-fired boilers
  • JR Series, linear, 1,178-1,885 lbf. (5,240-8,385 N) thrust rating, 1.5”-18” (38-457mm) stroke, used for burner shroud control on wall-fired boilers
  • LX Series, linear, application specific thrust and stroke ratings

See Main Type K Catalogue for further details.

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