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Vortex Ultrasonic Nozzle

Vortex Nozzle
Vortexing Air Shaping System


The Vortex ultrasonic nozzle’s unique design uses low velocity, controllable, rotational air to produce a wide, conical, uniform spray pattern. With their characteristic soft spray, Sono-Tek Vortex nozzles dramatically reduce overspray, reducing manufacturing costs and atmospheric contamination.

Vortex Nozzle Sizes

Nozzle dimensions differ considerably from one frequency to the next.

Vortex Ultrasonic Nozzle Features:

  • Up to 80% reduction in material consumption
  • Controllable, rotational air movement
  • Produces a conical spray pattern that is 2" – 6" (50-152mm) in diameter, depending on frequency and distance to substrate
  • Repeatable spray patterns that are easily shaped
  • Ultra-low flow rate capabilities, intermittent or continuous
  • Highly controllable spray produces reliable, consistent results
  • Corrosion-resistant titanium and stainless steel construction
  • No moving parts to wear out
  • Uniform deposition across entire diameter of spray pattern
  • Dual liquid configurations available
  • Vortexing velocity can be varied depending on application
  • Vortex nozzles can spray in any orientation
  • Capable of spraying in any orientation over a range of ultrasonic frequencies*:

    • 25 kHz, 55 µ drop
    • 48 kHz, 38 µ drop
    • 60 kHz, 31 µ drop
    • 120 kHz, 18 µ drop

Vortex spray shaping

Operating Principle:

The Vortex ultrasonic nozzle combines Sono-Tek’s unique Microspray ultrasonic atomizing nozzle with low pressure, rotational air to produce a conical-shaped spray pattern.

Compressed air, typically at 1-10 psi, is introduced into the diffusion chamber of the air shroud, which produces a uniformly distributed flow of air around the nozzle stem.

The velocity of the air stream is controllable, allowing low or high-impact of the atomized spray onto the product or substrate. The diameter of the spray pattern is controlled by the nozzle size (frequency) and distance to the substrate. The uniformity of the spray pattern is +/- 1% if using a reciprocator or robotic platform such as the ExactaCoat 3-axis programmable coating system.

Vortex Operating Principle


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