Water Flow, Velocity, Frictional Head Losses, Irrigation Area & Pump
|
||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Pipe Size
|
Water flow – capacity
|
Velocity meter |
Frictional Head |
Number |
Irrigable |
Pump Requirement
|
||||||||
Ltr. per second
|
Cusec (Cu-Ft/Sec)
|
Flow |
Head |
HP
|
||||||||||
mm
|
inch
|
Min
|
Max
|
Min
|
Max
|
Min
|
Max
|
Min
|
Max
|
|||||
20
|
0.50
|
0.06
|
0.18
|
0.002
|
0.006
|
0.25
|
0.75
|
7.5
|
52
|
300
|
0.24
|
0.12
|
20
|
2
|
25
|
0.75
|
0.08
|
0.38
|
0.003
|
0.013
|
0.25
|
1
|
5.75
|
65
|
250
|
0.46
|
0.23
|
20
|
2
|
32
|
1.00
|
0.16 |
0.6
|
0.005
|
0.021
|
0.25
|
1
|
4.2
|
48
|
200
|
0.6
|
0.38
|
20
|
2
|
40
|
1.25
|
0.26
|
0.95
|
0.009
|
0.033
|
0.25
|
1
|
2
|
36
|
170
|
1.2
|
0.6
|
20
|
2
|
50
|
1.50
|
0.42
|
1.2
|
0.014
|
0.042
|
0.25
|
1.25
|
2.3
|
55
|
125
|
1.6
|
0.8
|
25
|
2
|
63
|
2.00
|
0.70
|
4
|
0.024
|
0.141
|
0.25
|
1.5
|
1.7
|
42
|
110
|
4.7
|
2.35
|
25
|
2
|
75
|
2.50
|
1.00
|
5
|
0.035
|
0.176
|
0.25
|
1.5
|
1.3
|
34
|
90
|
6
|
3
|
25
|
3
|
90
|
3.00
|
1.50
|
7.5
|
0.052
|
0.264
|
0.25
|
1.5
|
1.1
|
27
|
70
|
9
|
4.5
|
25
|
5
|
110
|
4.00
|
2.20
|
12
|
0.077
|
0.423
|
0.25
|
1.5
|
0.8
|
22
|
50
|
14
|
7
|
25
|
5
|
125
|
4.50
|
5.00
|
15
|
0.176
|
0.529
|
0.5
|
1.5
|
2.2
|
18
|
39
|
20
|
10
|
25
|
7.5
|
140
|
5.00
|
7.00
|
19
|
0.247
|
0.671
|
0.5
|
1.5
|
2
|
15
|
28
|
26
|
13
|
25
|
7.5
|
160
|
6.00
|
9.00
|
25
|
0.317
|
0.883
|
0.5
|
1.5
|
1.
|
13
|
25
|
34
|
17
|
28
|
10
|
180
|
7.00
|
12.00
|
32
|
0.423
|
1.13
|
0.5
|
1.5
|
1.4
|
12
|
20
|
4
|
22
|
28
|
12.5
|
200
|
8.00
|
15.00
|
40
|
0.529
|
1.412
|
0.5
|
1.5
|
1.3
|
9
|
13
|
55
|
27
|
28
|
15
|
225
|
9.00
|
18.00
|
50
|
0.635
|
1.766
|
0.5
|
1.5
|
1.1
|
8.5
|
10
|
68
|
34
|
30
|
20
|
250
|
10.00
|
22.00
|
62
|
0.771
|
2.19
|
0.5
|
1.5
|
0.95
|
7.5
|
8
|
84
|
42
|
30
|
25
|
280
|
11.00
|
28.00
|
70
|
0.989
|
2.154
|
0.5
|
1.5
|
0.85
|
7
|
6
|
98
|
49
|
30
|
30
|
315
|
12.00
|
52.00
|
95
|
1.836
|
3.355
|
0.75
|
1.5
|
1.5
|
5.75
|
4
|
147
|
73
|
30
|
40
|
355
|
14.00
|
67.00
|
190
|
2.366
|
3.391
|
0.75
|
1.5
|
1.3
|
5
|
3
|
163
|
81
|
35
|
60
|
400
|
16.00
|
85.00
|
350
|
3.000
|
5.651
|
0.75
|
1.5
|
1.1
|
4.2
|
2
|
245
|
122
|
35
|
80
|
450
|
18.00
|
110.00
|
600
|
3.885
|
7.064
|
0.75
|
1.5
|
0.95
|
3.6
|
1
|
310
|
155
|
35
|
100
|
Dimension of Unplasticized Elastomeric PVC Pipes As Per IS 4985 : 2000
|
||||||||||
---|---|---|---|---|---|---|---|---|---|---|
Nominal Outside |
Mean Outside Diameter
|
WALL THICKNESS
|
||||||||
Class 2 |
Class 3 |
Class 4 |
Class 5 |
|||||||
Min
|
Max
|
Min
|
Max
|
Min
|
Max
|
Min
|
Max
|
Min
|
Max
|
|
63
|
63.0
|
63.3
|
1.5
|
1.9
|
2.2
|
2.7
|
2.8
|
3.5
|
3.5
|
4.1
|
90
|
90.0
|
90.3
|
2.1
|
2.6
|
3.1
|
3.7
|
4.0
|
4.6
|
5.0
|
5.7
|
110
|
110.0
|
110.4
|
2.5
|
3.0
|
3.7
|
4.3
|
4.9
|
5.6
|
6.1
|
7.1
|
125
|
125.0
|
125.4
|
2.9
|
3.4
|
4.3
|
5.0
|
5.6
|
6.4
|
6.9
|
8.0
|
140
|
140.0
|
140.5
|
3.2
|
3.8
|
4.8
|
5.5
|
6.3
|
7.3
|
7.7
|
8.9
|
160
|
160.0
|
160.5
|
3.7
|
4.3
|
5.4
|
6.2
|
7.2
|
8.3
|
8.8
|
10.2
|
180
|
180.0
|
180.6
|
4.2
|
4.9
|
6.1
|
7.1
|
8.0
|
9.2
|
9.9
|
11.4
|
200
|
200.0
|
200.6
|
4.6
|
5.3
|
6.8
|
7.9
|
8.9
|
10.3
|
11.0
|
12.7
|
225
|
225.0
|
225.7
|
5.2
|
6.0
|
7.6
|
8.8
|
10.0
|
11.5
|
12.4
|
14.3
|
250
|
250.0
|
250.8
|
5.7
|
6.5
|
8.5
|
9.8
|
11.2
|
12.9
|
13.8
|
15.9
|
280
|
280.0
|
280.9
|
6.4
|
7.4
|
9.5
|
11.0
|
12.5
|
14.4
|
15.4
|
17.8
|
315
|
315.0
|
316.0
|
7.2
|
8.3
|
10.7
|
12.4
|
14.0
|
16.1
|
17.3
|
19.9
|
355
|
355.0
|
356.1
|
8.1
|
9.4
|
12.0
|
13.8
|
15.8
|
18.2
|
19.6
|
22.6
|
400
|
400.0
|
401.2
|
9.1
|
10.5
|
13.5
|
15.6
|
17.8
|
20.5
|
22.0
|
25.3
|