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Nex Flow™ Frigid-X™ Vortex Tube Tool Cooling System

The Nex Flow™ Frigid-X™ Vortex Tube Tool Cooling System is Quiet and Rugged!
A Vortex Tube with hot air out one end (red) and cold the other (blue)

A vortex tube is a device normally designed to work with a standard compressed air supply. Air enters the vortex tube and is “spun” utilizing a par called a “generator” which creates the internal “vortex up inside the vortex tube. Then the air spins back inside the first vortex of spinning air. This causes an energy transfer and this literally splits the air flow into two parts - cold air which exhausts at one end, and hot air which is removed at the other end - all without any moving parts. An adjustable valve at the "hot" end controls the volume of the air flow, and the temperature exiting at the cold end.
By adjusting the valve, you control the "cold fraction" which is the percentage of total input compressed air that exits the cold end of the vortex tubes.
Depending on the size and capacity of the vortex tube as well as inlet pressure and inlet compressed air temperature, the cold end can produce as low as minus 40 degrees F (minus 40 C) or more. Minus 50 F (45.5 C) is possible for some capacities and sizes depending on design as well.
Nex FlowTM manufactures a small and medium size vortex tube with larger sizes possible for special applications.
The small and medium sized Frigid-XTM Vortex Tubes.
The Nex FlowTM small size vortex tube is available to operate on 2 SCFM (57 SLPM), 4 SCFM (113 SLPM) or 8 SCFM (227 SLPM) depending on the interchangeable “H” Model or “C” Model generator used. The larger the flow rate the greater the cooling capacity. The “H” generator isnused for optimum cooing. The 2 SCFM unit provides 145 BTU/hr (42 watts) of cooling, the 4 SCFM unit 290 BTU/hr or 85 watts) and the 8 SCFM unit 580 BTU/hr (170 watts).
The Nex FlowTM small size vortex tube using a
“C” Model generator produces very cold temperatures – again in the three different air capacities listed above.
Advantages for Spot Cooling with Nex FlowTM Frigid-XTM series Vortex Tubes
  • No Moving Parts
  • Quiet
  • Driven By Air, NOT Electricity
  • Small And Lightweight, Portable
  • Milling, Drilling, Routing And Surface Grinding
  • Low In Cost
  • Superior Design And Performance
  • Maintenance Free Operation
  • Made Of Durable Stainless Steel And Metal Arts - NO Cheap Plastic Parts
  • improves Production Rates And Finished Part Remains Dry
  • Prevents Burning
  • Improves Tolerance Control
  • Eliminates Coolant Costs
Customer Report Indicates More Consistency in Quality and Performance than Competitive Models.
One of our long time Nex FlowTM OEM customer was approached to try a competitive vortex tube. They use the 8 SCFM vortex tube with a “C” Model generator. Obtaining a consistently low temperature at a particular setting was extremely important. The stability of the Nex FlowTM vortex tube was important as well as the actually temperature of the unit. The Nex FlowTM vortex tube was not only stable it “consistently” produced a lower temperature compared to the competitive model indicating its superior efficiency.
“Quality” and “Consistency”
Generators are often made of plastic that may not hold up in hot environments. Metal generators made of brass are far preferable along with the use of viton o-rings to seal the space between the generator and the cold outlet end cap. Vortex tubes are used to cool and they often encounter hot environments so all metal with higher temperature O-rings is a far superior design. By machining our generators they may offer greater “consistency” and tighter tolerance than molded plastic generators.
Despite a similar look among various manufacturers, it is what is inside” the vortex tube that you do not see that is important. Proprietary manufacturing techniques and aerodynamic designs used by Nex Flow has produced a consistent Frigid-XTM series Vortex Tube that is of high quality in manufacture and performance. The better temperature drop compared to some others, while only slight, can add up to significant savings over the long term because of superior design, manufacturing techniques and quality control.
Designed: Hien Dai Hoa Jsc

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