CALIBRATION


CALIBRATION INFORMATION FOR THE TVB®
THRU VALVE BOOM®

Output of 30 feet of boom with two end caps (boom pressure of 20 psi (138 kPa))
Nozzle
Control Orifice
Flow Rate
Gallons/Minute
Liters/Minute
.070 wedge
.070 wedge
.070 wedge
none
.110
.080
111.4
64.0
47.4
421.6
242.1
179.5
.045 wedge
.045 wedge
.045 wedge
none
.110
.080
.050
86.8
56.5
42.4
17.5
328.7
213.9
160.4
66.1
.030 wedge
.030 wedge
.030 wedge
none
.080
.050
46.4
32.2
16.2
175.6
122.0
61.4
.020 wedge
.020 wedge
none
.050
17.5
11.7
66.1
44.2

The TVB® Thru Valve Boom® will normally be operated using boom pressures of 15 to 40 psi (100 to 275 kPa). Optimum pressure for sharp valve operation and production of uniform spray droplets is usually between 20 and 30 psi (138 to 207 kPa).


Below is a list of the topics for the Thru Valve Boom. Click on the one you want or simply press the "NEXT" button to see them in order. "Home" returns you to the Waldrum Specialties home page.
INTRODUCTION
CALIBRATION
ALTITUDE
SWATH WIDTH
NOZZLES, DROPLET SIZE & SPRAY VOLUME
AIRCRAFT CHOICES
FORMULATIONS
INSTALLATION & MAINTENANCE
DROPLET SIZE (Helicopter)
SPRAY DEPOSITION (Helicopter)
DROPLET PATTERN (Fixed-Wing)
DEPOSITION
(Fixed-Wing)
DRIFT CONTROL
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