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PNR
UK LTD, 16 SUGARBROOK ROAD, ASTONFIELDS INDUSTRIAL
ESTATE, BROMSGROVE, WORCS. B60 3DW
Tel: 01527 579066 Fax: 01527 579067
email: spraynozzles@pnr.co.uk |
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ULTRASONIC ATOMIZERS
Ultrasonic atomizers produce extremely fine atomized liquid
through a two-step process:
Step 1: Liquid is injected through
a number of small orifices into the nozzle outlet channel,
where a high velocity air stream provides the first liquid
breakup.
Step 2: The air stream carrying
the droplets impacts onto a resonator placed in front of the
nozzle outlet orifice, generating a field of high frequency
sound waves. Flying through the sound wave field, the droplets
undergo an additional breakup step.
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Ultrasonic atomizers offer the following distinct
advantages:
A.) No wet spots -the water will
evaporate before touching the ground or surface.
B.) The high variations in local
air pressure induced by the sound waves prevent dust and lime
particles from building up at the orifice and impairing atomizer
performance.
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Ultrasonic atomizers MA series produce the finest atomized
liquid sprays available for common industrial processes, as
a full cone spray with a narrow spray angle.
Since water and compressed air are ejected from different
orifices, their pressure values can be adjusted separately,
this allows for obtaining satisfactory operating conditions
along a very wide range of fluid capacities.
Atomizer heads are normally assembled onto a style A adapter
as shown in the diagram beside. A choice of alternative adapter
styles is shown in the following diagram.
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TO AIR ASSISTED ATOMIZERS
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