Air Power Products Limited

Heated Blower Purge Compressed Air Dryers

Heated Blower Purge Compressed Air Dryers

Perfect for applications with limited existing air compressor capacity. High-efficiency, robust design. Consumes less energy than heatless twin tower compressed air dryers.

Features

• -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

Control Center

• 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

Regenerative Purge Air Blower

• 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

Purge Air Heater

• 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

Outlet Check Valves

• 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

Dryer Towers

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

Applications

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

Purge Check Valves

• 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