16
UPSIDE-DOWN MICRO-EMITTERS
HANDBOOK
EXAMPLE
Friction loss in the hanging micro-tube and accessories
Where:
Micro-tube
length (cm)
Flow rate (l/h)
50
120
200
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
0.041
0.16
0.20
0.100
0.38
0.48
60
0.035
0.05
0.08
0.163
0.16
0.32
0.400
0.38
0.78
120
0.070
0.05
0.12
0.325
0.16
0.49
0.799
0.38
1.18
Micro-tube
OD 6.5 mm
ID
4.0 mm
MICRO-SPRINKLER/EMITTER SELECTION
E. micro-sprinkler/emitter water trajectory
1.
Elevation of micro-sprinkler/emitter nozzle above surface
2.
Elevation of max. trajectory height above micro-sprinkler/emitter nozzle
3.
Distance of max. trajectory height from micro-sprinkler/emitter nozzle
4.
Max. wetted distance (dependant on nozzle elevation above surface).
Trajectory height above micro-sprinkler/emitter nozzle
The maximum trajectory height above the micro-sprinkler/emitter nozzle is relevant in the following cases:
•
To prevent wetting the net or the ceiling.
•
To prevent dripping from the distribution pipe.
•
To prevent wetting the lighting fixtures.
2
3
1
4
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