Toro 34225 - Page 38

Note:Ifthecollectednozzlespraydoesnot
meetthequantityintheNozzleFlowRateChart
(page38),checkthenozzles,hoses,andttings
forleaks,damage,orwear;cleanorreplacethe
spraynozzlesifneeded.
NozzleFlowRateChart
Usethenozzleowratechartsdeterminespray
nozzleperformance:
•Nozzleowratesatdifferentspray-system
pressures
•Wornordamagedspraynozzles
Thefollowingchartisbasedonthenozzlecapacity
informationchartprovidedwithpermissionfrom
TeeJet®Technologies.Usethechartbelowor
referencetheTeeJet®Technologieswebsiteto
determineiftheowrateofthesprayernozzleis
withinthespeciedowrate(+/–10%).
Note:Thechartinformationbelowisbasedonthe
machinesprayingwaterat70
°
F(21
°
C).
CenterNozzle(red—narrowpattern)Flow
RateChart
PressureFlowRate—New
FlowRate—InService
Nozzle
0.7bar
(10psi)
769
ml(26
oz)
/min
0.76L(0.20
USgallon)
/min
0.68to0.75L(0.18
to0.22USgallon)
/min
1.4bar
(20psi)
1065
ml(36
oz)
/min
1.06L(0.28
USgallon)
/min
0.95to1.17L(0.25
to0.31USgallon)
/min
2.1bar
(30psi)
1331
ml(45
oz)
/min
1.32L(0.35
USgallon)
/min
1.19to1.45L(0.32
to0.39USgallon)
/min
2.8bar
(40psi)
1508
ml(51
oz)
/min
1.51L(0.40
USgallon)
/min
1.36to1.66L(0.36
to0.44USgallon)
/min
LeftandRightNozzles(white—widepattern)
FlowRateChart
PressureFlowRate—New
FlowRate—InService
Nozzle
0.7bar
(10psi)
1508
ml(51
oz)
/min
1.51L(0.40
USgallon)
/min
1.36to1.66L(0.36
to0.44USgallon)
/min
1.4bar
(20psi)
2159
ml(73
oz)
/min
2.16L(0.57
USgallon)
/min
1.94to2.38L(0.51
to0.63USgallon)
/min
LeftandRightNozzles(white—widepattern)
FlowRateChart(cont'd.)
2.1bar
(30psi)
2602
ml(88
oz)
/min
2.61L(0.69
USgallon)
/min
2.35to2.87L(0.62
to0.76USgallon)
/min
2.8bar
(40psi)
3017
ml
(102
oz)
/min
3.03L(0.80
USgallon)
/min
2.73to3.33L(0.72
to0.88USgallon)
/min
DeterminingApplicationRate
Usetheexampleresultsofthecalculatedspeed,
spraywidth,andnozzlecapacitytodeterminethe
applicationrate.
Note:Theapplicationratemayalsobedetermined
byusingtheNozzleFlowRateChart(page38),
alongwiththechemicalmanufacturer’slabelof
recommendation.
Theexamplesbelowarebasedonthefollowing
information:
•Averagegroundspeed=8.4kph(5.2mph)
•Spraywidth=2.7m(108inches)
•Numberofnozzles=2
•Nozzlecapacity=3.0L/min(0.8gpm)
Note:Thenumbers6and600areconstantsusedin
theformulasshownbelow.
Literper100m
2
ApplicationRate
Singlenozzlecapacity(Lpm)xNumber
ofnozzlesx6
L
Speed(kph)xSpraywidth(m)
=
100m
2
2.99Lpmx2x6
8.369kphx2.743m
=
1.563L/100m
2
(1.5
qt/1,000ft
2
)
LiterperHectarApplicationRate
Singlenozzlecapacity(Lpm)xNumber
ofnozzlesx600
L
Speed(kph)xSpraywidth(m)
=
hectar
2.99Lpmx2x600
8.369kphx2.743m
=
156L/hectar(16.7gal/acre)
Note:Thenumbers544;136;and5,940are
constantsusedintheformulasshownbelow.
38