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The tubes in the Heliflow are arranged in parallel, starting with an inlet manifold on one end, and terminating at an outlet manifold on the opposite end. The tube bundle is wound into a helical pattern. This coiled construction creates a spiral flow path for the fluid inside the coil.

Each tube is in close contact with the tube above and below it. The coiled tube bundle is fit into a two-piece casing. When the casing is tightened, it is designed to slightly compress the tubes. Because of the tight fit, the shellside fluid is forced to circulate in a spiral pattern created by the open spaces between the coils.

Advantages of Graham Heliflow Spiral Tube Heat Exchangers

  • Higher efficiency
  • Easy to maintain
  • Accommodates pressures up to 15,000 psig
  • High reliability
  • Code compliant
  • Easily customized
  • Low flow rates
  • Compact design
  • Withstands 500 deg. F temperature difference between fluids
  • Varied material choices
Graham Corporation
20 Florence Avenue. Batavia, NY 14020
Phone: 585.343.2216 // Fax: 585.343.1097
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