Netafim COOLNET PRO, Handbook

Page: 26 / 48

26 UPSIDE-DOWN MICRO-EMITTERS HANDBOOK
MICRO-SPRINKLERS/EMITTERS ASSORTMENT
Emitters' height above surface: 2.1 m
Area width
(m) Model
Distance
between
emitters (m) CU%
Working
pressure
(bar) PR (mm/h)
% water
in strip
3.0 SD SR 120/070 1.4 98 2.0 16.1 61
3.5 SD SR 120/070 1.0 97 2.0 19.4 71
4.0 SD SR 160/070 1.0 97 3.0 21.8 78
4.5 SD SR 160/070 1.0 97 3.0 19.3 88
5.0 SD FLT 160/090 0.8 97 2.5 25.8 83
5.5 SD FLT 200/090 1.0 93 2.0 14.0 97
6.0 SD LR 120/070 0.6 97 2.0 18.8 80
6.5 SD LR 160/090 0.8 97 2.5 19.6 80
7.0 SD LR 120/070 0.8 97 2.0 12.1 93
7.5 SD LR 120/070 0.8 96 2.0 11.3 98
8.0 SD LR 200/120 0.8 92 2.0 19.2 88
The layouts, distances, working pressures and heights-
above-surface presented in the tables above are solely for
demonstration purposes. There are countless additional
configurations for micro-emitter placement.
To acquire accurate distribution data for a specific crop, contact the pertinent Netafim™ technical team.
Head loss
Head loss (bar) in the emitter stand micro-tube and AD valve
Nozzle › 090/050 120/070 160/070
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
15 0.009 0.05 0.06 0.016 0.07 0.09 0.02 0.09 0.11
30 0.017 0.05 0.07 0.031 0.07 0.10 0.04 0.09 0.13
60 0.035 0.05 0.08 0.063 0.07 0.13 0.08 0.09 0.17
90 0.052 0.05 0.10 0.094 0.07 0.16 0.12 0.09 0.21
120 0.070 0.05 0.12 0.126 0.07 0.20 0.16 0.09 0.25
Nozzle › 160/090 200/090 200/120
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
15 0.025 0.10 0.12 0.025 0.10 0.12 0.041 0.16 0.20
30 0.049 0.10 0.15 0.049 0.10 0.15 0.081 0.16 0.24
60 0.098 0.10 0.20 0.098 0.10 0.20 0.163 0.16 0.32
90 0.147 0.10 0.25 0.147 0.10 0.25 0.244 0.16 0.40
120 0.196 0.10 0.30 0.196 0.10 0.30 0.325 0.16 0.49
%CU ≥ 94% ≥ 89% and < 94% < 89%
Legend