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SPRAY AREA COVERAGE BY ROUND NOZZLE*
Nozzle size
Distance from Sprayed Surface
1"
2"
(25.40mm)
(50.80mm)
(76.20mm)
Spray area coverage (diameter)
0.046"
0.25"
0.50"
(1.17mm)
(6.35mm)
(12.70mm)
(19.05mm)
0.028"
0.20"
0.40"
(0.71mm)
(5.08mm)
(10.16mm)
(15.24mm)
0.014"
0.17"
0.34"
(0.36mm)
(4.32mm)
(8.64mm)
(12.70mm)
SPRAY AREA COVERAGE BY FAN NOZZLE*
Nozzle size
Distance from Sprayed Surface
1"
2"
(25.40mm)
(50.80mm)
(76.20mm)
Spray area coverage (major diameter)
0.046"
1.00"
1.50"
(1.17mm)
(24.40mm)
(38.10mm)
(61.00mm)
0.028"
0.65
1.25"
(0.71mm)
(16.51mm)
(31.75mm)
(38.10mm)
0.014"
0.50"
1.00"
(0.36mm)
(12.70mm)
(24.40mm)
(31.75mm)
*Spray area coverage shown in above charts is for reference only. Actual coverage area depends on
fluid viscosity and characteristics
Round Pattern
(Approximation)
3"
4"
5"
(101.60mm)
(101.60mm)
(152.40mm)
0.75"
1.00"
1.25"
(25.40mm)
(31.75mm)
(38.10mm)
0.60"
0.80"
1.00"
(20.32mm)
(25.40mm)
(30.48mm)
0.50"
0.65"
0.85"
(16.51mm)
(21.59mm)
(25.40mm)
3"
4"
5"
(101.60mm)
(101.60mm)
(152.40mm)
2.40"
3.00"
4.00"
(76.20mm)
(101.60mm)
(108.00mm)
1.50"
2.00"
2.50"
(50.80mm)
(63.50mm)
(82.55mm)
1.25"
1.60"
2.00"
(40.64mm)
(50.80mm)
(63.50mm)
Fan Pattern
(Approximation)
4
6.
TROUBLESHOOTING
PROBLEM
6"
1.50"
1.20"
1.00"
No fluid flow
6"
4.25"
3.25"
2.50"
Inconsistent
fluid flow
Fluid drools after
the valve closes,
eventually stopping
Fluid flows through
nozzle but will not
spray
Steady drip
POSSIBLE CAUSE
CORRECTION
Increase fluid pressure at Fluid
Fluid pressure too low
Reservoir
Operating pressure too
Increase air pressure to 70 psi
low
(4.8 bars) at Valve Controller
Check Valve Controller for air
Valve is not actuating
pressure level to valve
Fluid cured in valve
Disassemble and clean valve
chamber
thoroughly
Engage by rotating the Stroke
Stroke control adjustment
Control Adjustment Knob
not activating or engaged
counterclockwise (but not
beyond the "Line Marker")
Make sure fluid pressure is
Fluid pressure fluctuating
constant
Valve operating pressure
Increase valve pressure to 70 psi
is too low
(4.8 bars) at Valve Controller
Check to make sure the Valve
Valve opening time is not
Controller is providing a
consistent
consistent air pressure output
Air trapped in Fluid
Purge air from valve
Housing
Air trapped in Fluid
Purge air from valve
Housing
Post-spray time is too
Increase post-spray time at
short
Valve Controller
Atomize pressure is too
Increase atomizing pressure at
low
Valve Controller
Dirty Needle and Delrin®
Thoroughly clean Needle and
Seat
Seat
Delrin® Seat is worn or
Replace worn or damaged part
damaged
Fluid pressure exceeds
Lower fluid pressure at Fluid
100 psi (6.9 bars)
Reservoir until dripping stops
Valve reassembled
Disassemble and reassemble
incorrectly
valve according to instructions
5
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