Xylem Fire diesel pump D Series GEN D Series - Manual (Page 45)

45
Backpressure chart for 10 meters of straight pipe of various diameters in mm
0,00
1,00
2,00
3,00
4,00
5,00
6,00
7,00
8,00
9,00
10,00
0 200 400 600 800 1000 1200
m3/h
kPa
Internal diameter d(mm)
Equivalent length Lo (m)
40 50 65 80 100 125 150 200 250 300
0.5 0.7 0.9 1.2 1.7 2.2 2.8 4.0 5.4 6.7
r= 2.5 d
d
a 1x Lo
d
d 10x Lo
r= 2.5 d
d
b 4x Lo
d
c 5x Lo
Equivalent elbow length table
G
D_
M
00
04
_A
_SC.x
ls