The Thermal Transfer series BOL Air Cooled Heat Exchanger is a rugged, lightweight and provides outstanding heat dissipation for extreme heat loads.  Available with AC or hydraulic fan motors, all feature the proven brazed aluminum P-BAR™ plate and bar core technology engineered with an aggressive turbulator that produces ultra-high heat transfer.  Available with two bypass relief options — a factory installed pressure bypass (P-BAR core) or an internal temperature controlled bypass (T-BAR™ core)
The BOL series heat exchanger is exception for use with oil, mineral oil, oil/water emulsions, or water/glycol 
Bar and Plate Brazed Aluminum Core
Provides the best heat transfer per given envelope size while minimizing pressure drop
Air-side fin design minimizes fouling and static pressure ensuring long-term, reliable performance
Welded fittings/ports and manifolds ensure structural integrity
Standard SAE ports – NPT & BSPP available
Customized units are available to meet your OE specific performance requirements
T-BAR core optional for high viscosity oils or other highly fouling fluids.
Product Options
Low noise
T-BAR core
Serviceable internal pressure bypass
Internal temperature controlled bypass
Maximum Operating Pressure 250 PSI
Maximum Operating Temperature 300°F
Mounting Feet - Steel
Standard Core - Brazed Aluminum Bar and Plate
Tanks – 5052 Aluminum
Nose Bar & Little Bar – 3003-H Aluminum
Air Fin, Plate, Turbulator & End Plate – 3003-O Aluminum
Fanguard - Steel
Connectors - Aluminum
Fan - Aluminum Hub, Plastic Blades
Shroud - Steel
Motor - TEFC & IEC
Contact your local Thermal Products office at 518-877-0231 or This email address is being protected from spambots. You need JavaScript enabled to view it.
BOL Air Cooled Heat Exchanger


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