Netafim SPINNET

UPSIDE-DOWN MICRO-EMITTERS HANDBOOK 25
MICRO-SPRINKLERS/EMITTERS ASSORTMENT
Performance
Nozzle
Nozzle
size
(mm)
SD conn.
size
(mm)
Constant
K*
Exponent
X*
050/090 1.22 1.20 11.60 0.5
120/070 1.44 1.46 15.20 0.5
160/070 1.76 1.46 17.70 0.5
160/090 1.76 1.56 19.70 0.5
200/090 1.86 1.56 20.60 0.5
200/120 1.86 1.87 27.50 0.5
Wetted diameter (meter)*
Swivel (rotor)
code color ›
LR FLT SR
Nozzle
050/090 7.5 6.0 5.5
120/070 8.0 6.5 5.5
160/070 7.5 6.0 5.5
160/090 8.0 6.5 5.5
200/090 7.0 6.0 5.5
200/120 9.0 6.5 6.5
Wetted diameter
*Wetted diameter at 1.8 meter height above
surface and 2.5 bar working pressure. At least
0.5 mm/h
*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
Swivel (rotor)
T. Trajectory
height (cm)
D. Distance
from head (cm)
LR 40 165
FLT 30 160
SR 15 140
Trajectory height at distance from emitter head
Pressure: 2.5 bar, at any flow rate (50-200 l/h)
Distribution uniformity at different area widths
Emitters' height above surface: 1.8 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 1.0 95 2.0 22.6 81
3.5 SD SR 120/070 1.2 98 2.5 18 .1 68
4.0 SD FLT 160/070 0.8 97 2.0 22.3 84
4.5 SD FLT 160/070 0.8 97 2.0 19.8 94
5.0 SD FLT 160/070 0.8 96 2.0 17. 9 100
5.5 SD LR 120/070 0.8 97 2.0 15.4 74
6.0 SD LR 120/070 0.8 98 2.0 18.8 81
6.5 SD LR 120/070 0.8 98 2.0 17. 4 88
7.0 SD LR 120/070 0.8 97 2.0 12.1 94
7.5 SD LR 200/120 0.8 93 2.0 20.5 94
8.0 SD LR 200/120 0.8 90 2.5 21.5 95