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Air Caps and Fluid Nozzles
AirAir
Air
CapsCaps
Caps
andand
and
FluidFluid
Fluid
NozzlesNozzles
Nozzles
FluidFluid
Fluid
NozzleNozzle
Nozzle
SelectionSelection
Selection
ChartChart
Chart
To reduce the risk of an injury, follow the
Pressure Relief Procedure, page 27, before
removing or installing a uid nozzle and/or air cap.
FluidFluid
Fluid
NozzleNozzle
Nozzle
PartPart
Part
No.No.
No.
ColorColor
Color
DescriptionDescription
Description
OriceOrice
Orice
SizeSize
Size
mmmm
mm
(in.)(in.)
(in.)
24N613
0.75 (.029)
24N614
1.0 (.042)
24N615
1.2 (.047)
24N616
1.5 (.055)
24N617
1.8 (.070)
24N618
2.0 (.079)
24N619
Black
For
standard
coatings
0.55 (.022)
24N620
0.75 (.029)
24N621
1.0 (.042)
24N622
1.2 (.047)
24N623
1.5 (.055)
24N624
1.8 (.070)
24N625
Blue
With
hardened
seat, for
abrasives
and
metallics
2.0 (.079)
FluidFluid
Fluid
NozzleNozzle
Nozzle
PerformancePerformance
Performance
ChartsCharts
Charts
Use the following procedure to select the proper uid
nozzle for your application.
1. For each uid nozzle chart, nd the point on the
graph corresponding to your desired ow rate
and viscosity. Mark the point on each graph with
a pencil.
2. The thick vertical line in each graph represents
the target ow rate for that nozzle size. Find
the graph that has the marked point closest to
the thick vertical line. This is the recommended
nozzle size for your application. Signicantly
exceeding the target ow rate may result in
lower spray performance due to excessive uid
velocity.
3. From the marked point, move across to the
vertical scale to nd the required uid pressure.
If the required pressure is too high, use the next
largest nozzle size. If the uid pressure is too low
(< 0.35 bar, 3.5 kPa, 5 psi), use the next smallest
nozzle size.
KeyKey
Key
toto
to
FluidFluid
Fluid
NozzleNozzle
Nozzle
PerformancePerformance
Performance
ChartsCharts
Charts
NOTE:NOTE:
NOTE:
Fluid pressures are measured at the spray
gun inlet.
260 Centipoise Fluid
160 Centipoise Fluid
70 Centipoise Fluid
20 Centipoise Fluid
683A2494D