Muffler for Vortex Tubes

A vortex tube without muffling can be quite loud if there is no attachment at the cold end conveying the cold air (such as tubing or pipe). The Cold End Muffler reduces the exhaust noise up to 10 dBA and is a standard part of special vortex tube packages such as the Tool Cooler, Adjustable Spot Cooler, and Mini Cooler systems.

The Cold End comes in three sizes: one for the small vortex tube, one for the medium size vortex tube, and one for the large vortex tube. All cold-end mufflers are made of stainless steel with a natural, environmentally friendly muffling material to reduce sound levels.

Muffler for Vortex Tube

Is attaching the cold end muffler to the small and medium vortex tube, remove the cold end “cap,” and then attach the muffler. You only need to attach the muffler directly to the large vortex tube.

The hot end of a vortex tube also exhausts hot air, which gives exhaust noise. There are two sizes of hot-end mufflers. One size fits the small and medium vortex tube and threads over the hot end with the adjustable screw. The other larger size threads over the hot end of the large vortex tube with the adjustable screw.

• The sound reduction would be in the range of 3 dBA.

Nex Flow® has a special attachment to replace the adjustable hot end screw on the small and medium vortex tubes with a hand-adjustable knob to control the flow. This hand-adjustable unit incorporates a hot-end muffler as part of the assembly.

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