Ag Spray Equipment RM55 - Manual (Page 3)

3
CALIBRATING YOUR SPRAYER
HAMILTON NOZZLE 654101
CALIBRATING YOUR SPRAYER
To determine pressure & GPA with a boomless nozzle use this calibration formula.
GPA =
495 x GPM
MPH x Swath in feet
EXAMPLE:
495(constant) x 4.2GPM = 2079
4mph x 50ft swath = 200
2079
200
= 10.395 GPA
Refer to Chart
OPERATING DATA OF 180° NOZZLES
SPRAYERS ARE SUPPLIED WITH #10
GPM Swath GALLON PER ACRE Office
Number PSI 180° 180° 3 MPH 4 MPH 5 MPH 8 MPH 10 MPH
30 3.7 50 ft. 12.2 9.2 7.3 4.6 3.7
40 4.2 50 ft. 13.9 10.4 8.3 5.2 4.2
50 4.6 52 ft. 14.6 10.9 8.8 5.5 4.4
#10
60 5.0 52 ft. 15.8 11.9 9.5 5.9 4.8
GPM = Gallons Per Minute
GPA = Gallons Per Acre
MPH = Miles Per Hour
PSI = Pressure Per Square Inch