5 - Operation
128
• Nozzle Choice
• Nozzle Wear
• Spray Distribution
• Spray Pressure
• Water Volume Rates
• Weather Influence on Spraying
• Useful Formulae
For optional equipment - see other books delivered or contact HARDI.
Operating Limits
The following things are important when considering the performance of the sprayer.
• Maximum driving speed
• Pressure setting
• Minimum / maximum flow rate
The operating limits for your sprayer are closely related to:
1. Pump size
2. Boom width
3. Nozzle size
In the table below, the operating limits for volume rate are calculated, when driving at different speeds.
÷
NOTE! The specified nozzle type is a standard flat fan nozzle. Other special nozzle types will show different results. Ask
your HARDI dealer if in doubt.
μ
ATTENTION! It is recommended not to drive faster than 16 km/h when spraying.
μ
ATTENTION! The pressure range for the nozzles are 1.5 - 5 bar (except for HARDI INJET nozzles, which are ranging from
3-8 bar). The spraying pressure should be within these limits.
Nozzle size,
type HARDI ISO
F-110
Min. volume
rate (l /h a) at 4
km/h
Max. volume
rate (l /h a) at 4
km/h
Min. volume
rat e ( l/ha ) a t 8
km/h
Max. volume
rate (l/ha) at 8
km/h
Min. volume
rate (l/ha) at 12
km/h
Max. volume
rate (l/ha) at 12
km/h
Min. volume
rate (l/ha) at 16
km/h
Max. volume
rate (l/ha) at 16
km/h
02 (yellow) 171 309 86 155 57 103 43 77
025 (purple) 213 387 107 194 71 129 53 97
03 (blue) 255 465 128 233 85 155 64 116
04 (red) 339 621 170 311 113 207 85 155
05 (brown) 423 774 212 387 141 258 106 194
06 (grey) 510 930 255 465 170 310 128 233
08 (white) 678 1239 339 620 226 413 170 310
10 (light blue) 849 1548 425 774 283 516 212 387
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