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Heat Exchanger AA Series

Heat Exchanger AA Series
Heat Exchanger AA Series
Heat Exchanger AA Series
Heat Exchanger AA Series
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The Heat Exchanger AA Series removes heat from the convey air without the use of coolant.

FEATUREs

  • AA Series exchangers feature a TEFC 230/460 VAC, 3 phase motor, a heavy-duty cooling fan and an OSHA approved fan guard.
  • The exhaust hood and venturi frame are galvanized steel
  • The venturi frame is also available in stainless steel.
  • These exchangers are ideal for locations with limited access to cooling water.

 

  • CORE CONSTRUCTION:
    • The aluminum plate-fin core is furnace brazed with alternating finned flow channels.
    • Process gas flows in horizontal channels, and ambient cooling air flows upward through the vertical channels.
    • The process stream enters and exits through rectangular aluminum headers, which are welded to the core.

 

  • OPERATIONAL CONSIDERATIONS:
    • Each process gas passageway is 0.02 square inches (0.25 x 0.08 inches).
    • The process stream must be filtered to ensure particulate will not obstruct the passages.
    • If necessary, the service side can usually be cleaned with a soapy water wash.
    • Due to their long flow length, the process channels should not be considered cleanable.

 

  • INSTALLATION CONSIDERATIONS:
    • Pulsating flow, such as that produced by rotary lobe blowers, should be dampened by a chambered silencer.
    • AA Series exchangers dissipate heat from the process stream to the ambient environment.
    • They are designed for outdoor installation.
    • If installed indoors, the area should be very well-ventilated.
    • Electrical connections can be made to the motor from any side of the exhaust hood.

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