Page 273 - Irrigation Catalogue 2021 Bevo POL
P. 273
NORMAL GAS PIPES
MULTIPLICATION FACTOR
a) for rubber hose 1.5 à 1.6 b) copper pipe 0.9
c) aluminium pipe 0.9
d) PVC 0.85
COUPLINGS
PRESSURE LOSS GRAPH
v=0,5m/sec.
v=1m/sec.
v=1,5m/sec.
v=2,5m/sec. v=2m/sec.
v=3m/sec.
250
225 200
300 275
167
6” 150
130-5”
116
4” 100
400 350
3,5” 90
83 80-3”
70 2,5”-69
60 58
2” 50
46
1,5” 40
1,25”
30
28 1”
25
0,75” 20
0,25”
10
5 4
3 2
0,5 0,4
0,3
10 20 30 40 50 100 200 300 400 500 1000 2000 3000 4000 5000 10.000 16.000 l/min.
1
Quantity of water
3 6 12 18 24 30 60 120 180 240 300 600 m3/hour
Pressure loss in metres per 100 metres pipe length
IRRIGATION CATALOGUE 271
5
