Page 58 - Catalogo de Boquillas - Industrysystem

XA

Low Flow Air Atomizing

cases these setups do not atomize as
The XA nozzle system uses the energy
ANNULAR AREA AIR FEED finely as Internal Mix Setups.
in compressed air to produce highly
LIQUID FEED External Mix Setups may be used
atomized sprays at low flow rates. There
are many interchangeable components with liquids having a viscosity above
that can be assembled to achieve a 200 centipoise and for abrasive
variety of spraying objectives. suspensions. BETE Applications
Engineers can provide guidance for
spraying high viscosity liquids.
SPRAY SET-UPS
XA nozzles produce eight distinctly AIR ORIFICES AIR FEED LIQUID FEED
AIR ATOMIZING fluid caps are selected. The spray Cutaway View: Internal Mix Set-up
different types of sprays, depending
on which interchangeable air and

type and flow rate are determined by
External Mix Set-ups
the setupa specific combination
The air and liquid streams exit the
of one air cap and one fluid cap.
nozzle independently and are
Internal Mix Set-ups
combined and mixed outside of the
Liquid and air streams meet within
the nozzle and are mixed together and
nection between the air and liquid
expelled through the same orifice(s). nozzle. Because there is no con LIQUID ORIFICES
lines within the nozzle, the air and
Cutaway View: External Mix Set-up
This internal mixing means the liquid flow rates can be controlled
streams are not independent; a change independently, allowing precise Siphon Set-ups
in air flow will affect the liquid flow. metering of the liquid. The atom Internal and External Mix Setups
This makes precise metering of the ization can be controlled by require the liquid to be supplied to
liquid more difficult than with an adjusting the air flow ratemore air the nozzle under pressure from a
External Mix Setup. Internal Mix Set produces finer atomization. In most municipal water supply, pump, or
ups are able to produce the finest A. End Plug pressure pot. Siphon Setups use the
atomization of any of the XA setups, flow of compressed air within the
nozzle to siphon liquid from a
but they are generally not suitable for
specify pipe size, body style, spray set-up #, hardware and mounting assemblies, and material. See page 78. E. Air Operated Shut-off additives from a container without
container. Siphon Setups are
use with liquids which have a
frequently used for spraying
viscosity that is above 200 centipoise.
the use of a pump. They provide the

TO ORDER: D. Clean-out/Shut-off B. Shut-off

Bold letters (A, B, C, D, E, F) refer to hardware assemblies
shown on p. 78.

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