FAAST 7100X
INSTALLATION AND MAINTENANCE INSTRUCTIONS
© Pertronic Industries Ltd
25
FAAST XS (7100X) Installation Guide Iss 1.0, 201606
SECTION G: FLOW RATE CONVERSION TABLE
This Flow Rate Conversion Table is valid for Pipes of 21mm Internal Diameter (ID) only.
-
for Pipes other than 21mm ID, use the formulae at the end of the Table
Inside
Diameter
(ID)
Velocity
(Vel)
Flow
Rate
(Flow)
Flow
Rate
(Flow)
Velocity
(Vel)
(mm)
(metre/sec)
(litre/min)
(litre/min)
(metre/sec)
21
0.90
18.7
20
0.96
0.95
19.7
21
1.01
1.00
20.8
22
1.06
1.05
21.8
23
1.11
1.10
22.9
24
1.15
1.15
23.9
25
1.20
1.20
24.9
26
1.25
1.25
26.0
27
1.30
1.30
27.0
28
1.35
1.35
28.1
29
1.40
1.40
29.1
30
1.44
1.45
30.1
31
1.49
1.50
31.2
32
1.54
1.55
32.2
33
1.59
1.60
33.3
34
1.64
1.65
34.3
35
1.68
1.70
35.3
36
1.73
1.75
36.4
37
1.78
1.80
37.4
38
1.83
1.85
38.4
39
1.88
1.90
39.5
40
1.92
1.95
40.5
41
1.97
2.00
41.6
42
2.02
2.05
42.6
43
2.07
2.10
43.6
44
2.12
2.15
44.7
45
2.17
2.20
45.7
46
2.21
2.25
46.8
47
2.26
2.30
47.8
48
2.31
2.35
48.8
49
2.36
2.40
49.9
50
2.41
2.45
50.9
51
2.45
2.50
52.0
52
2.50
2.55
53.0
53
2.55
2.60
54.0
54
2.60
2.65
55.1
55
2.65
2.70
56.1
56
2.69
2.75
57.1
57
2.74
2.80
58.2
58
2.79
2.85
59.2
59
2.84
2.90
60.3
60
2.89
2.95
61.3
61
2.94
3.00
62.3
62
2.98
3.05
63.4
63
3.03
3.10
64.4
64
3.08
3.15
65.5
65
3.13
3.20
66.5
66
3.18
3.25
67.5
67
3.22
3.30
68.6
68
3.27
3.35
69.6
69
3.32
3.40
70.7
70
3.37
3.45
71.7
71
3.42
3.50
72.7
72
3.46
3.55
73.8
73
3.51
3.60
74.8
74
3.56
3.65
75.9
75
3.61
Formulae:
Flow Rate
=
0.25 x Pi x ID^2 x Vel x 0.001 x 60
Velocity
=
(4 x Flow) / Pi x ID^2 x 0.001 x 60