Ultra-thick flat spray semi-fine fog
DDA series
Features
The DDA series nozzles’ features:
- Thick flat spray pneumatic nozzle producing a large volume of semi-fine atomization with a mean droplet diameter of 50 μm or more (*3).
- Liquid pressure type under the liquid pressures of 0.07 – 0.7 MPa (ca. 0.7 bar – 7 bar).
- Large turn-down ratio with minimal variation in spray angle.
- Uniform distribution suitable for multiple-nozzle arrangements.
- Thicker flat spray pattern covers wider area.
- Large free passage diameter minimizes clogging.
- Spray angle of 75°, 80°, 100°, 110°, or 125°.
*1) Criteria for spray angle measurement differs depending on nozzle codes.
*2) Free passage diameter of nozzle orifice.
*3) Measured by Fraunhofer diffraction method.
Thread standard
-
Pipe conn. size
Rc 1/4" - Rc 1/2
Standard pressure
-
Spray angle
75° - 125° (*1)
Spray capacity
0.14 - 57.3 L/min
Supply air type
Compressed air
Liquid feeding system
Liquid pressure
Mean droplet diameter
15 - 200 μm (*3)
Air consumption
17 - 610 L/min, Normal
Air pressure
0.1 - 0.4 MPa (ca. 1 - 4 bar)
Free passage diameter
2.0 - 7.0 mm (*2)
Applications
The DDA series nozzles have multiple applications:
- Cooling: Gas, steel plates, steel pieces, pipes, moldings, etc.
- Steel making process: Cooling continuous casted steel (bloom, slab short side, billet), cooling roll of casting machine
- Rolling mill process: Cooling steel plate on continuous annealing line, roll in heat treatment, and magnetic steel
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