284
Flow rate
(litres /min.)
Clear widths
(mm/ inches)
Pressure loss per running meter
(mwc)
15
13 mm –
½"
0.34 mwc
30
1.20 mwc
30
19 mm –
¾"
0.12 mwc
50
0.32 mwc
50
25 mm –
1"
0.08mWS
75
0.19 mwc
100
0.34 mwc
100
32 mm –
1¼"
0.11 mwc
150
0.21 mwc
100
38 mm – 1
½"
0.03 mwc
150
0.07 mwc
200
0.12 mwc
250
0.15 mwc
200
50 mm – 2
"
0.04 mwc
250
0.06 mwc
300
0.08 mwc
350
0.10 mwc
400
0.14 mwc
450
0.17 mwc
FRICTION LOSS
IN PIPELINES AND HOSE LINES:
To optimally exploit the capacities of
the pump, select the largest hose
diameter possible.
Inadequate hose diameters or angled
hose joints and flow-through obstruc-
tions through hose connections impact
the flow-rate!
WORTH KNOWING
FRICTION LOSSES
