Air Caps and Fluid Nozzles
Air
Air
Air Cap
Cap
Cap Selection
Selection
Selection Chart
Chart
Chart
To reduce the risk of an injury, follow the
Pressure Relief Procedure, page 27
, before
removing or installing a fluid nozzle and/or air cap.
NOTE:
NOTE:
NOTE: All air cap pattern shapes and lengths in the
following chart were measured under the following
conditions. Pattern shape and length are material
dependent.
•
Distance to target:
10 in. (254 mm)
•
Inlet air pressure:
50 psi (34 kPa, 3.4 bar)
•
Fan air:
adjusted for maximum width
•
Fluid flow rate:
10 oz/min (300 cc/min)
Part
Part
Part No.
No.
No.
(color)
(color)
(color)
Pattern
Pattern
Pattern
Shape
Shape
Shape
Length
Length
Length
in.
in.
in. (mm)
(mm)
(mm)
Recommended
Recommended
Recommended
Fluid
Fluid
Fluid Viscosity,
Viscosity,
Viscosity, in
in
in
centipoise
centipoise
centipoise (cp)
(cp)
(cp) at
at
at
70°F
70°F
70°F (21°C)♦
(21°C)♦
(21°C)♦
Recommended
Recommended
Recommended
Production
Production
Production Rates
Rates
Rates
Transfer
Transfer
Transfer
Efficiency
Efficiency
Efficiency
Atomiza-
Atomiza-
Atomiza-
tion
tion
tion
Cleanli-
Cleanli-
Cleanli-
ness
ness
ness
24N438
(black)
Round
end
15-17
(381-432)
Light to medium
(20–70 cp)
Up to 15 oz/min (450
cc/min)
Better
Best
Good
24N279
(black)
Round
end
14-16
(356-406)
Medium to heavy
(70–260 cp), and
high solids (360+ cp)
Up to 15 oz/min (450
cc/min)
Better
Better
Good
24N376
(black)
24N276
(blue)
24N277
(red)
24N278
(green)
Tapered
end
17-19
(432-483)
Light to medium
(20–70 cp)
Up to 15 oz/min (450
cc/min)
Best
Better
Better
24N274
(black)
Tapered
end
12-14
(305-356)
Light to medium
(20–70 cp)
Up to 15 oz/min (450
cc/min)
Good
Good
Best
24N275
(black)
Tapered
end
14-16
(356-406)
Light to medium
(20–70 cp), and high
solids (360+ cp),
aerospace coatings
Up to 25 oz/min (750
cc/min)
Best
Good
Best
24N439
(black)
Tapered
end
11-13
(279-330)
For use with 2.0 mm
nozzles. Medium to
heavy (70–260 cp),
and high solids (360+
cp)
Up to 20 oz/min (600
cc/min)
Good
Best
Better
24N477
(black)
24W279
(green)
Round
end
15-17
(381-432)
Light to medium
(20–70 cp)
Up to 15 oz/min (450
cc/min)
Better
Best
Good
24N453
(black)
Round
end
14-16
(356-406)
Light to medium
(20–70 cp)
Up to 15 oz/min (450
cc/min)
Better
Better
Good
♦ Centipoise = centistokes x fluid specific gravity.
70
3A2494D