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Thermal Systems
Packaged Thermal Fluid
(Hot Oil) Heaters for
Unattended Operation

13 Models Ranging From 500,000 to 20 Million BTU/Hr

Thermal fluid systems operate with a minimal pressure and can reach 750°F, making them an ideal choice for process heat applications–one in particular being cargo heating. The fluid is pumped through the heater coil in a single pass flow to be heated by the two-pass gas flow. Heat transfer takes place by radiation and convection on the inside coil surface and convection on the outside.

The fluid is pumped to the
user(s) and returned to the expansion tank and back through the heater.

Features and advantages of a Volcanic thermal fluid heater:

• No corrosion or freezing

• High Operating temperatures (up to
  750°F) within a low pressure system
• Minimal maintenance
• Simple circuit, no blow-downs, steam
  traps, or condensate return systems.
• Volcanic's expansion tank provides
  pipework simplification, protection of
  thermal fluid from oxidation, and
  continuous deaeration of fluid, avoiding
  pump cavitation.
• The closed loop system using thermal
  fluid assures no rust or corrosion in the
  system.
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