RADIARC® VOLUME CAPABILITIES
AND ORIFICE / DROPLET SIZE RELATIONSHIPS
(Field Observation Note #2)

 The RADIARC® SPRAYER is available in five standard orifice sizes. The choice of orifice size for a particular use will be based on the applied volume desired, speed of travel, nature of the material applied, type of vegetation, coverage required, width of swath and other occasional factors. Volumes applied can vary from 5 to 125 gallons per acre or more at application speeds of one to twenty miles per hour.

The table below will help the user to choose the most effective nozzle orifice for each combination of vegetation size, vehicle speed, spray volume and product used.
Orifice Size (Inches)
Gal/Min.
Full Set (22)
(30 psi)
Droplet Size (Micrometers)
(Microns)
Volume Range
Gal/A
Optimum Speed
Range/MPH
Typical Uses
.030

2.95
1500
5 - 25
1 - 7.5
  • Turf weed control
  • Turf fungicide and insecticide application
  • Forest site preparation and release sprays
  • Total vegetation control
.045
5.72
2250
7.5 - 50
1 - 10
  • Turf weed control
  • Turf fungicide and insecticide application
  • Forest site preparation
  • Pipeline brush
  • Brush stubble treatments
  • Rangeland brush
  • Total vegetation control
  • Pasture weed control
.070
14.96
3500
10 - 75
5 - 20
  • Highway PGRs
  • Highway weed and brush control
  • Pipeline brush control
  • Total vegetation control
  • Aquatic weed control
.085
19.14
4250
12 - 100
5 - 20
  • Highway PGRs
  • Highway weed and brush control
  • Aquatic weed control
.101
25.30
5000
12 - 125
5 - 20
  • Roadside brush control
  • Ditchbank weed and brush control

 

Below is a list of the topics for the Radiarc® Sprayer. 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
TYPICAL VERTICAL NOZZLE PATTERN
CALIBRATION
FOREST VEGETATION MANAGEMENT APPLICATIONS
VOLUME CAPABILITIES AND ORIFICE / DROPLET SIZE RELATIONSHIPS
SWATH WIDTH
VERTICAL NOZZLE PATTERNS FOR GRASS GROWTH REGULATION & SEEDHEAD CONTROL
NOZZLE PATTERNS FOR HIGHWAY GUIDERAIL APPLICATION
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