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MicroWhirl (MW) Nozzles

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MicroWhirl (MW) Nozzles

MicroWhirl® (MW) Nozzles atomising, evaporative cooling, misting, and fogging nozzles

  • Outstanding atomization
  • Rugged pinless design
  • Drip-free performance
  • 70 micron polypropylene filter
  • Safety wire hole available
  • U.S. Patent #7198201
  • Minimum operating pressure 100 psi (7 bar)
  • Mist at low pressure; fog at high pressure
Common Materials:
303, 316, Nickel Alloy C-276



Whirl Spray Nozzles

Whirl nozzles generate a whirling motion of the liquid. Axial whirl nozzles produce the swirling motion with an internal vane or disc. Tangential whirl nozzles feature a slight angle on inlet passageway into the cavity of the nozzle. The swirling effect within the body cavity creates the whirling motion.

  • The Axial Whirl full cone nozzle style is ideal for an even distribution over a packed bed.
  • The Axial Whirl full cone nozzles is used for rain simulation and foam control applications.
  • Spillback nozzles provides a 10:1 turndown ratio with minimal change in drop size.

Design characteristics

  • Axial
    • Full Cone
      • Even distribution of the droplets.
      • Internal Whirl vane/disc to help create the spray pattern.
      • Inlet inline with outlet.
    • Hollow Cone
      • Internal Whirl vane/disc to help create the spray pattern.
      • Inlet inline with outlet.
  • Tangential
    • Full Cone
      • Even distribution of the droplets.
      • Slight angle on inlet passageway into the cavity of the nozzle to create the swirling effect within the body cavity, thus resulting in the creation of the spray pattern.
      • Liquid inlet 90 degrees from liquid outlet.
      • Fins on one side of the body cavity to disrupt the swirling action to help direct droplets to the center of the spray pattern.
    • Hollow Cone
      • Slight angle on inlet passageway into the cavity of the nozzle to create the swirling effect within the body cavity thus resulting in the creation of the spray pattern.
      • Liquid inlet 90 degrees from liquid outlet.

Atomising, Evaporative Cooling, Misting, and Fogging Nozzles