Air Power Products Limited (APPL)
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Heated Blower Purge Compressed Air Dryers

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Perfect for applications with limited existing air compressor capacity. High-efficiency, robust design. Consumes less energy than heatless twin tower compressed air dryers. All models are designed and manufactured locally in our Cambridge, Ontario facility. 1 year warranty included

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  • -40ºC nominal pressure dew point
  • Capacities from 300 SCFM & larger
  • Automated PLC control with HMI display and keypad interface
  • Full alarm package with fail safe protection
  • Digital purge air temperature and pressure displays
  • Inlet and purge exhaust valves in bronze and s/s bodies with position indicators
  • For 1000 CFM and larger: Inlet valves 3″ and larger, 150 lb. wafer-style pneumatically actuated butterfly valves using rack and pinion-style air actuators

  • Extremely reliable and low maintenance
  • Quiet operation: Includes integral inlet and discharge silencers
  • TEFC motors with winding embedded thermistors
  • Air intake filter with replaceable paper cartridge

  • Automotive
  • Pharmaceutical
  • Power Stations
  • Instrumentation
  • Packaging
  • Food Processing
  • Industrial compressed air

  • Low watt density industrial circulation heaters
  • Incoloy sheathed heating elements
  • Sized for purge air flow with minimal pressure drop
  • Retains heat: Insulated heater shells and hot purge air lines
  • Over-temperature protection: High temperature limit switch

  • Can withstand high temperature operation
  • For valves up to 2″: Metal to metal seat, stainless steel swing check valves
  • For valves 3″ and up: Wafer-style swing check valves with high temperature viton seals

  • High and low voltage panels
  • Low voltage accessible without ARC flash safety requirements
  • Main door interlocking disconnect switch
  • Power distribution block
  • Blower motor circuit controller & contactor
  • Ceramic heater fuses
  • Heater contactor
  • Control voltage transformer
  • Digital display for temperature, heater, purge pressure
  • Off/On selector switch
  • Continuous or half cycle mode
  • Message Center: All tower status and alarms monitored & displayed, user-friendly interface, 7-inch HMI


  • Easily removable for servicing
  • For valves up to 2″: Stainless steel construction with PTFE sealing discs
  • For valves 3″ and up: Wafer-style swing checks with stainless steel flappers and viton seals

  • Manufactured in accordance to the ASME code
  • CRN & National Board registered
  • 200 PSIG maximum allowable operating pressure (Models up to AP-2000)