Pipe Flow Calculator - Vinidex Pty Ltd
Rural & Irrigation Pipe Systems
Polyethylene (?) 13mm to (2) 50mm
PIPE FLOW CALCULATOR
EXAMPLES OF USE OF PIPELINE FLOW CALCULATOR
Three factors should be known before an appropriate choice of PE pipe can be
made:
a.
A 2000m long pipeline on flat terrain requires a discharge of 50 litres per
minute at its end. What pumping pressure is required to achieve this if (2)
50mm Rural Pipe is used?
Answer: From the tables, required pumping pressure is 100 kPa (10m).
b.
If the above pipeline discharges into a tank 10m high, what pumping
pressure is required?
Answer: 10m (previously calculated) + 10m tank height = 20m
c.
A pump operating at 300 kPa and delivering 42 litres/minute is to be used
to convey water 1000m to a dam. What size pipe is required?
Answer: (1?) 32mm pipe
1.
2.
3.
The length of the pipeline.
The quantity of water required.
Nett pressure - taking into account available head, differences in level over
pipeline length and discharge pressure.
Notes:
1.
2.
3.
Add Static Lift (elevation) to final Pump Head requirement.
Calculator is for open ended pipeline.
Operating temperature 20¡ãC.
Pump
Rural Bore Pipeline
Flow
Req. Head Diameter
Length Velocity
m
kPa
in
mm
m
m/sec
10
100
(?)
13
100
0.9
500
0.4
1000
0.2
2000
0.2
(?)
19
100
1.2
500
0.5
1000
0.3
2000
0.2
(1)
25
100
1.5
500
0.6
1000
0.4
2000
0.3
(1?) 32
100
1.7
500
0.7
1000
0.5
2000
0.3
(1?) 38
100
2.0
500
0.8
1000
0.5
2000
0.4
(2)
50
100
2.4
500
1.0
1000
0.7
2000
0.4
40
400
(?)
13
100
2.1
500
0.8
1000
0.5
2000
0.4
(?)
19
100
2.6
500
1.1
1000
0.7
2000
0.5
(1)
25
100
3.2
500
1.3
1000
0.9
2000
0.6
(1?) 32
100
3.7
500
1.5
1000
1.0
2000
0.7
(1?) 38
100
4.2
500
1.7
1000
1.2
2000
0.8
(2)
50
100
5.1
500
2.1
1000
1.4
2000
1.0
70
700
(?)
13
100
2.8
500
1.1
1000
0.7
2000
0.5
(?)
19
100
3.6
500
1.5
1000
1.0
2000
0.7
(1)
25
100
4.4
500
1.8
1000
1.2
2000
0.8
(1?) 32
100
5.1
500
2.1
1000
1.4
2000
1.0
(1?) 38
100
5.7
500
2.4
1000
1.6
2000
1.1
(2)
50
100
6.9
500
2.9
1000
1.9
2000
1.3
Discharge at
Pipeline End
L/min
7
3
2
1
21
8
6
4
43
17
12
8
84
34
23
15
133
54
36
25
277
113
77
52
16
6
4
3
45
18
12
8
94
38
26
17
181
74
50
34
286
118
80
54
593
245
167
113
22
9
6
4
61
25
17
11
127
52
35
24
246
101
69
47
388
160
109
74
804
334
227
155
Pump
Rural Bore Pipeline
Flow
Req. Head Diameter
Length Velocity
m
kPa
in
mm
m
m/sec
20 200
(?)
13
100
1.4
500
0.5
1000
0.4
2000
0.2
(?)
19
100
1.8
500
0.7
1000
0.5
2000
0.3
(1)
25
100
2.2
500
0.9
1000
0.6
2000
0.4
(1?)
32
100
2.5
500
1.0
1000
0.7
2000
0.5
(1?)
38
100
2.9
500
1.2
1000
0.8
2000
0.5
(2)
50
100
3.5
500
1.4
1000
1.0
2000
0.7
50 500
(?)
13
100
2.3
500
0.9
1000
0.6
2000
0.4
(?)
19
100
3.0
500
1.2
1000
0.8
2000
0.6
(1)
25
100
3.6
500
1.5
1000
1.0
2000
0.7
(1?)
32
100
4.2
500
1.7
1000
1.2
2000
0.8
(1?)
38
100
4.8
500
2.0
1000
1.3
2000
0.9
(2)
50
100
5.7
500
2.4
1000
1.6
2000
1.1
80 800
(?)
13
100
3.0
500
1.2
1000
0.8
2000
0.5
(?)
19
100
3.9
500
1.6
1000
1.1
2000
0.7
(1)
25
100
4.7
500
1.9
1000
1.3
2000
0.9
(1?)
32
100
5.4
500
2.2
1000
1.5
2000
1.0
(1?)
38
100
6.1
500
2.5
1000
1.7
2000
1.2
(2)
50
100
7.4
500
3.1
1000
2.1
2000
1.4
Discharge at
Pipeline End
L/min
11
4
3
2
30
12
8
6
64
26
17
12
124
50
34
23
195
80
54
36
406
167
113
77
18
7
5
3
51
21
14
9
106
43
29
20
205
84
57
39
323
133
91
61
672
277
188
128
24
10
6
4
66
27
18
12
137
56
38
26
265
109
74
50
418
173
118
80
864
359
245
167
Pump
Rural Bore
Req. Head Diameter
m kPa
in
mm
30 300
(?)
13
60
90
600
900
(?)
19
(1)
25
(1?)
32
(1?)
38
(2)
50
(?)
13
(?)
19
(1)
25
(1?)
32
(1?)
38
(2)
50
(?)
13
(?)
19
(1)
25
(1?)
32
(1?)
38
(2)
50
Pipeline
Length
m
100
500
1000
2000
100
500
1000
2000
100
500
1000
2000
100
500
1000
2000
100
500
1000
2000
100
500
1000
2000
100
500
1000
2000
100
500
1000
2000
100
500
1000
2000
100
500
1000
2000
100
500
1000
2000
100
500
1000
2000
100
500
1000
2000
100
500
1000
2000
100
500
1000
2000
100
500
1000
2000
100
500
1000
2000
100
500
1000
2000
Flow
Velocity
m/sec
1.7
0.7
0.5
0.3
2.3
0.9
0.6
0.4
2.7
1.1
0.8
0.5
3.2
1.3
0.9
0.6
3.6
1.5
1.0
0.7
4.3
1.8
1.2
0.8
2.5
1.0
0.7
0.5
3.3
1.3
0.9
0.6
4.0
1.6
1.1
0.8
4.7
1.9
1.3
0.9
5.3
2.2
1.5
1.0
6.3
2.6
1.8
1.2
3.2
1.3
0.9
0.6
4.1
1.7
1.1
0.8
5.0
2.1
1.4
0.9
5.8
2.4
1.6
1.1
6.5
2.7
1.8
1.3
7.9
3.3
2.2
1.5
Discharge at
Pipeline End
L/min
14
5
4
2
38
15
10
7
80
32
22
15
154
63
43
29
244
100
68
46
506
209
142
96
20
8
5
4
56
23
15
10
117
48
32
22
226
93
63
43
357
147
100
68
738
307
209
142
25
10
7
5
70
29
19
13
146
60
41
28
282
116
79
54
445
184
125
85
918
383
262
178
GENERAL CONVERSION TABLE
Pressure
1 kPa
1 atm
1 psi
=
=
=
0.145 psi
101.3 kPa
2.31 ft/head (water)
P 13 11 69
Flow/
Discharge
1 m3/hour
1 gal/minute
1 gal/minute
1 L/sec
1 L/minute
=
=
=
=
=
3.67 gal/minute
0.272 m3/hour
0.0756 L/sec
13.2 gal/minute
0.22 gal/minute
Volume
1L
1 gallon
1 m3
1 m3
=
=
=
=
0.22 gallons
4.54 L
35.31 feet3
220.2 gallons
| sales@.au | .au
Limitation of Liability
This information has been compiled by Vinidex Pty Limited (¡°the Company¡±) to promote better understanding of the technical aspects of the Company¡¯s products to assist users in obtaining from them the best possible performance.
The information is supplied subject to acknowledgement of the following conditions:
1 The information is protected by copyright and may not be copied or reproduced in any form or by any means in whole or in part without prior consent in writing by the Company. 2 Product specifications, usage data and advisory information may
change from time to time with advances in research and field experience. The Company reserves the right to make such changes at any time without further notice. 3 Correct usage of the Company¡¯s products involves engineering judgements,
which can not be properly made without full knowledge of all the conditions pertaining to each specific installation. The Company expressly disclaims all and any liability to any person whether supplied with this publication or not in respect of
anything and all of the consequences of anything done or omitted to be done by any such person in reliance whether whole or part of the contents of this publication. 4 No offer to trade, nor any conditions of trading, are expressed or implied by
the issue of content of this information. Nothing herein shall override the Company¡¯s Condition of Sale, which may be obtained from the Registered Office or any Sales Office of the Company. 5 This information is and shall remain the
VIN059Aproperty of the Company, and shall be surrendered on demand to the Company. 6 Information supplied in this information does not override a job specification, where such conflict arises; consult the authority supervising the job.
? Copyright Vinidex Pty Limited.
20190916
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