Vortex Tubes for cooling a pelletizer cutting chamber

Customer has used vortex tubes for many years to cool a pelletizer cutting chamber. Below are pelletizer, plastic strands - which look like weed eater cord; they go in over the black roll and are cut into pellets. This chamber gets very hot as the strands' internal temp is around 250°C. A Model 3215 Vortex Tube does at an excellent job cooling the chamber.

Model 3215 Vortex Tube

EXAIR's Vortex Tubes offer a low cost, reliable, maintenance free solution to a variety of industrial spot cooling problems. Using an ordinary supply of compressed air as a power source, vortex tubes create two streams of air, one hot and one cold, with no moving parts. They are constructed of wear resistant stainless steel, which is ideal for corrosive and hygienic environments. Model 3215 is 15 SCFM.
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$313.00
Model 3225 Vortex Tube

EXAIR's Vortex Tubes offer a low cost, reliable, maintenance free solution to a variety of industrial spot cooling problems. Using an ordinary supply of compressed air as a power source, vortex tubes create two streams of air, one hot and one cold, with no moving parts. They are constructed of wear resistant stainless steel, which is ideal for corrosive and hygienic environments. Model 3225 is 25 SCFM.
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$313.00