DOVVA-G series

Clog-resistant flat spray semi-fine fog nozzle


Thread standard


Pipe conn. size

Rc 1/2" or Rc 3/4"

Standard pressure


Spray angle

70°, 55°

Spray capacity

1.0–50 ℓ/min (*1)

Supply air type

Compressed air

Liquid feeding system

Liquid pressure

Mean droplet diameter


Air consumption

50–3,000 ℓ/min, Normal (*1)

Air pressure


Free passage diameter

2.5–7.5 mm (*2)

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  • Flat spray pneumatic nozzle producing semi-fine atomization with a mean droplet diameter of 80 μm or more (*3).
  • Clog-resistant design due to large free passage diameter is suitable for spraying factory effluents and waste water.
  • Simple structure, easy maintenance.

*1) Measured at compressed air pressure of 0.1–0.4 MPa (ca. 1 bar – 4 bar) and liquid pressure of 0.1–0.5 MPa (ca. 1 bar – 5 bar).
*2) Free passage diameter of nozzle orifice for DOVVA-G 70° spray angle type.
*3) Measured by Laser Doppler Method.


  • Denitration: Gas cooling
  • Moisture control: Flue gas
  • Combustion: Waste water

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