The APV ParaTube CTT consists of a center tube concentrically positioned in a middle tube which is concentrically located in the outer tube. Stainless steel spacers are used to keep the tubes properly separated. The result is an annular space where heat transfer effectively occurs from both sides. The triple tube is generally applied to high viscosity or Newtonian fluids which may or may not contain small fibers or particulates.
The result is an annular space where heat transfer effectively occurs from both sides.