UPSIDE-DOWN MICRO-EMITTERS HANDBOOK
33
MICRO-SPRINKLERS/EMITTERS ASSORTMENT
WARNING
When handling acid, always observe the product safety instructions and avoid acid coming in
contact with the crop, the soil/substrate and the environment.
• Micro sized droplets, at a relatively low pressure of 4.0 bar the CoolNet Pro™ uniformly distributes an
average droplet size of 65 micron.
• Specially designed for cooling, humidifying and rooting tables.
•
It is strongly recommended to connect the CoolNet Pro™ to the distribution pipe with a SSPE (super soft PE)
micro-tube, a specifically designed stabilizer and AD (anti-drain) valve that will prevent distribution pipe
drainage.
Performance
Nozzle
(Model)
Nozzle size
(mm)
SD conn. size
(mm)
Constant
K*
Exponent
X*
5.5 0.51 1.20 1.03 0.45
7.5 0.61 1.46 1.40 0.45
14.0 0.88 1.46 2.66 0.45
*The constant K and
exponent X enable real flow
rate calculations at different
working pressures using the
formula:
Q (l/h) = K*(P(meter)^X).
Flow rate calculation
Water trajectory
T
D
Nozzle (Model) T. Trajectory height (cm)
5.5 10
7.5 10
14.0 13
Trajectory height at a distance (D) of 20 cm from emitter head
Pressure: 4.0 bar
Head loss
Head loss (bar) in the emitter stand micro-tube and AD valve
Flow
rate
›
10 l/h 20 l/h 30 l/h 40 l/h 50 l/h
Micro-tube
length (cm)
Head loss (bar)
Micro-
tube
AD valve
Complete
unit
Micro-
tube
AD valve
Complete
unit
Micro-
tube
AD valve
Complete
unit
Micro-
tube
AD valve
Complete
unit
Micro-
tube
AD valve
Complete
unit
15 0.001 0.005 0.01 0.002 0.015 0.02 0.004 0.020 0.02 0.006 0.040 0.05 0.009 0.050 0.06
30 0.001 0.005 0.01 0.003 0.015 0.02 0.007 0.020 0.03 0.012 0.040 0.05 0.017 0.050 0.07
60 0.002 0.005 0.01 0.007 0.015 0.02 0.014 0.020 0.03 0.024 0.040 0.06 0.035 0.050 0.09
90 0.003 0.005 0.01 0.010 0.015 0.03 0.021 0.020 0.04 0.035 0.040 0.08 0.052 0.050 0.10
120 0.004 0.005 0.01 0.014 0.015 0.03 0.028 0.020 0.05 0.047 0.040 0.09 0.070 0.050 0.12
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