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Page 29
Flat Uniform Sprayer Pattern
6" to 7"
40"
Nozzle Spacing
FLOODJET TIPS
FOR BROADCAST SPRAYING
Liquid Capacity Gallons Per Acre
Nozzle Orifice Pressure In 456810
No. Dia. In PSI. GPM. MPH MPH MPH MPH MPH
TKSS2 .046" 10 .20 7.4 6.0 4.9 3.7 3.0
20 .28 10.5 8.4 6.9 5.2 4.2
30 .35 12.9 10.3 8.7 6.5 5.2
40 .40 14.8 11.8 9.9 7.5 5.9
TKSS2.5 .052" 10 .25 9.3 7.4 6.1 4.6 3.7
20 .35 12.9 10.3 8.7 6.5 5.2
30 .43 15.9 12.8 10.6 8.0 6.4
40 .50 18.6 14.9 12.4 9.3 7.4
TKSS3 .057" 10 .30 11.1 8.9 7.5 5.6 4.5
20 .42 15.7 12.6 10.4 7.8 6.3
30 .52 19.3 15.4 12.8 9.7 7.7
40 .60 22.0 17.8 14.8 11.2 8.9
TKSS4 .065" 10 .40 14.9 11.9 9.9 7.5 5.9
20 .57 21.0 16.8 13.9 10.5 8.4
30 .69 26.0 21.0 17.1 12.8 10.3
40 .80 30.0 24.0 19.8 14.8 11.9
TKSS5 .073" 10 .50 18.6 14.9 12.4 9.3 7.4
20 .71 27.0 21.0 17.6 13.1 10.7
30 .87 33.0 26.0 21.7 16.1 13.1
40 1.00 38.0 30.0 25.2 18.6 15.1
TKSS7.5 .091 10 .75 28.0 22.0 18.7 14.0 11.1
20 1.10 39.0 32.0 26.4 19.8 15.8
30 1.30 49.0 39.0 31.9 24.1 19.3
40 1.50 56.0 45.0 37.4 27.5 22.0
Other Spacing 20 24 28 30 32 34 36 38 40 42 44
Conversion Factor 2 1.67 1.43 1.33 1.25 1.18 1.11 1.05 1.00 .95 .91
Figure A
The rate chart is based on 40 inch row spacings. For
other spacings of nozzles on the boom, multiply the
tabulated GPA coverage by the conversion factors shown
below.
Floodjet tips are positioned as shown in the diagram by
the chart below. When positioning the tip as shown in Figure
A the tip can be operated closer to the ground, thereby
reducing the chance of wind drift.
The chart below shows capacities in gallons per acre at
various speeds and liquid pressures. Capacities are based
on water at 70 degrees F. with nozzles spaced at 40 inches.
FLAT SPRAY NOZZLE
FOR BROADCAST SPRAYING
Gallons Per Acre
Liquid Nozzle Based on 20" Nozzle Spacing
Nozzle Presure Capacity 4 5 7.5 10
No. In PSI. In GPM. MPH MPH MPH MPH
8002 20 .14 10.5 8.4 5.6 4.2
25 .16 11.8 9.4 6.3 4.7
30 .17 12.9 10.3 6.9 5.2
40 .20 14.8 11.8 7.9 5.9
8003 20 .21 15.7 12.6 8.4 6.3
25 .24 17.6 14.1 9.4 7.1
30 .26 19.0 15.4 10.3 7.7
40 .30 22.0 17.8 11.8 8.9
8004 20 .28 21.0 16.8 11.2 8.4
25 .32 24.0 18.7 12.5 9.4
30 .35 26.0 21.0 13.7 10.3
40 .40 30.0 24.0 15.8 11.9
8005 20 .35 26.0 21.0 14.0 10.5
25 .40 29.0 23.0 15.7 11.7
30 .43 32.0 26.0 17.2 12.9
40 .50 37.0 30.0 19.8 14.9
SPRAYER CALIBRATION PROCEDURES
NOTE: To avoid wind drift, use lower pressure and higher spray volume.
Guidelines For Sprayer Calibration
Before calibrating your sprayer, first determine whether each nozzle is delivering at a uniform rate. Place quart jars under all
nozzles and watch as they fill up. The level should rise uniformly and take the same time (within 10%) for all nozzles to fill the
jars. Replace any nozzle showing a discharge rate different from the others.
Calibrating the Sprayer
1. Mark off 660 feet (1/8 mile).
2. Fill the tank with water.
3. Set the sprayer to your desired operating pressure.
4. Turn the sprayer on and drive at the constant speed you will be spraying. Calibration on a road or unplowed field
will give different results than on soft cultivated ground. Note tachometer reading so same speed can be
maintained later.
5. Measure the amount of water it takes to refill the tank completely.
6. Calculate the amount applied:
Number of gallons used x 66 (factor) Gallons applied
=
Spray Swath in Feet per acre
Example: If 10 gallons are used in 660 feet and the spray swath is 40 feet, spraying rate is 16.5 gallons per acre.
10 x 66 660
= or 16.5 gallons per acre
40 40
7. To calculate the amount of chemical to put in the tank:
Sprayer Tank Size Acres
= then;
Desired GPA covered
Recom. amount of chemical Acres Amt. of chemical
x
per acre covered per tankful
Example: If a 500 gallon tank is used and 16.5 gallons per acre are applied, one
tank will cover 30.3 acres. If three pounds of chemical are required per acre, then
90.0 pounds of chemical are required per tankful.
500
= 30.3 acres covered then;
16.5
3 lbs. (gal.) x 30.3 = 90.0 lbs. (gal.) per tankful
=