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:

1. The length of the pipeline. 2. The quantity of water required. 3. Nett pressure - taking into account available head, differences in level over

pipeline length and discharge pressure.

Notes:

1. Add Static Lift (elevation) to final Pump Head requirement. 2. Calculator is for open ended pipeline. 3. Operating temperature 20?C.

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

RePqu. Hmepad m kPa 10 100

40 400

70 700

RDuiraaml Betoerre in mm (?) 13 (?) 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

PLiepneglitnhe 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

VeFlloocwity m/sec

0.9 0.4 0.2 0.2 1.2 0.5 0.3 0.2 1.5 0.6 0.4 0.3 1.7 0.7 0.5 0.3 2.0 0.8 0.5 0.4 2.4 1.0 0.7 0.4 2.1 0.8 0.5 0.4 2.6 1.1 0.7 0.5 3.2 1.3 0.9 0.6 3.7 1.5 1.0 0.7 4.2 1.7 1.2 0.8 5.1 2.1 1.4 1.0 2.8 1.1 0.7 0.5 3.6 1.5 1.0 0.7 4.4 1.8 1.2 0.8 5.1 2.1 1.4 1.0 5.7 2.4 1.6 1.1 6.9 2.9 1.9 1.3

DPiipscehlinaregEenadt 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

RePqu. mHepad m kPa 20 200

50 500

80 800

RDuiraaml Betoerre in mm (?) 13 (?) 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

PLiepneglitnhe 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

VeFlloocwity m/sec

1.4 0.5 0.4 0.2 1.8 0.7 0.5 0.3 2.2 0.9 0.6 0.4 2.5 1.0 0.7 0.5 2.9 1.2 0.8 0.5 3.5 1.4 1.0 0.7 2.3 0.9 0.6 0.4 3.0 1.2 0.8 0.6 3.6 1.5 1.0 0.7 4.2 1.7 1.2 0.8 4.8 2.0 1.3 0.9 5.7 2.4 1.6 1.1 3.0 1.2 0.8 0.5 3.9 1.6 1.1 0.7 4.7 1.9 1.3 0.9 5.4 2.2 1.5 1.0 6.1 2.5 1.7 1.2 7.4 3.1 2.1 1.4

DPiipscehlinaregEenadt 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

RePqu. mHepad m kPa 30 300

RDuiraaml Betoerre in mm (?) 13

(?) 19

(1) 25

(1?) 32

(1?) 38

(2) 50

60 600 (?) 13 (?) 19 (1) 25 (1?) 32 (1?) 38 (2) 50

90 900 (?) 13 (?) 19 (1) 25 (1?) 32 (1?) 38 (2) 50

PLiepneglitnhe 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

VeFlloocwity 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

DPiipscehlinaregEenadt 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)

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

1 L 1 gallon 1 m3 1 m3

= 0.22 gallons = 4.54 L = 35.31 feet3 = 220.2 gallons

P 13 11 69 | 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

property 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.

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20190916

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