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PTFM 1.0 Portable Transit Time Flow Meter
Cast Iron Pipe - ASA Standard
Pipe Pipe
Class
50
Class
100
Class 150
Class 200
Class 250
Class 300
Class 350
Size O.D. WALL I.D. WALL I.D. WALL I.D. WALL I.D. WALL I.D. WALL I.D. WALL I.D.
3 3.96 0.32 3.32 0.32 3.32 0.32 3.32 0.32 3.32 0.32 3.32 0.32 3.32 0.32 3.32
4 4.80 0.35 4.10 0.35 4.10 0.35 4.10 0.35 4.10 0.35 4.10 0.35 4.10 0.35 4.10
6 6.90 0.38 6.14 0.38 6.14 0.38 6.14 0.38 6.14 0.38 6.14 0.38 6.14 0.38 6.14
8 9.05 0.41 8.23 0.41 8.23 0.41 8.23 0.41 8.23 0.41 8.23 0.41 8.23 0.41 8.23
10 11.10 0.44 10.22 0.44 10.22 0.44 10.22 0.44 10.22 0.44 10.22 0.48 10.14 0.52 10.06
12 13.20 0.48 12.24 0.48 12.24 0.48 12.24 0.48 12.24 0.52 12.16 0.52 12.16 0.56 12.08
14 15.30 0.48 14.34 0.51 14.28 0.51 14.28 0.55 14.20 0.59 14.12 0.59 14.12 0.64 14.02
16 17.40 0.54 16.32 0.54 16.32 0.54 16.32 0.58 16.24 0.63 16.14 0.68 16.04 0.68 16.04
18 19.50 0.54 18.42 0.58 18.34 0.58 18.34 0.63 18.24 0.68 18.14 0.73 18.04 0.79 17.92
20 21.60 0.57 20.46 0.62 20.36 0.62 20.36 0.67 20.26 0.72 20.16 0.78 20.04 0.84 19.92
24 25.80 0.63 24.54 0.68 24.44 0.73 24.34 0.79 24.22 0.79 24.22 0.85 24.10 0.92 23.96
Cast Iron Pipe - AWWA Standard
Pipe
Class A
Class B
Class C
Class D
100 Ft. 43 PSIG
200 Ft. 86 PSIG
300 Ft. 130 PSIG
400 Ft. 173 PSIG
Size O.D. WALL
I.D.
O.D. WALL I.D. O.D. WALL
I.D.
O.D. WALL
I.D.
3 3.80 0.39
3.02
3.96 0.42 3.12 3.96 0.45
3.06 3.96
0.48 3.00
4 4.80 0.42
3.96
5.00 0.45 4.10 5.00 0.48
4.04 5.00
0.52 3.96
6 6.90 0.44
6.02
7.10 0.48 6.14 7.10 0.51
6.08 7.10
0.55 6.00
8 9.05 0.46
8.13
9.05 0.51 8.03 9.30 0.56
8.18 9.30
0.60 8.10
10 11.10 0.50
10.10
11.10 0.57 9.96 11.40 0.62
10.16 11.40
0.68 10.04
12 13.20 0.54
12.12
13.20 0.62 11.96 13.50 0.68
12.14 13.50
0.75 12.00
14 15.30 0.57
14.16
15.30 0.66 13.98 15.65 0.74
14.17 15.65
0.82 14.01
16 17.40 0.60
16.20
17.40 0.70 16.00 17.80 0.80
16.20 17.80
0.89 16.02
18 19.50 0.64
18.22
19.50 0.75 18.00 19.92 0.87
18.18 19.92
0.96 18.00
20 21.60 0.67
20.26
21.60 0.80 20.00 22.06 0.92
20.22 22.06
1.03 20.00
24 25.80 0.76
24.28
25.80 0.89 24.02 26.32 1.04
24.22 26.32
1.16 24.00
30 31.74 0.88
29.98
32.00 1.03 29.94 32.40 1.20
30.00 32.74
1.37 30.00
36 37.96 0.99
35.98
38.30 1.15 36.00 38.70 1.36
39.98 39.16
1.58 36.00
42 44.20 1.10
42.00
44.50 1.28 41.94 45.10 1.54
42.02 45.58
1.78 42.02
48 50.50 1.26
47.98
50.80 1.42 47.96 51.40 1.71
47.98 51.98
1.96 48.06
54 56.66 1.35
53.96
57.10 1.55 54.00 57.80 1.90
54.00 58.40
2.23 53.94
60 62.80 1.39
60.02
63.40 1.67 60.06 64.20 2.00
60.20 64.82
2.38 60.06
72 75.34 1.62
72.10
76.00 1.95 72.10
76.88
2.39
72.10
84 87.54 1.72
84.10
88.54 2.22 84.10
Pipe
Class E
Class F
Class G
Class H
500 Ft. 217 PSIG
600 Ft. 260 PSIG
700 Ft. 304 PSIG
800 Ft. 347 PSIG
Size O.D. WALL
I.D.
O.D. WALL I.D. O.D. WALL
I.D.
O.D. WALL
I.D.
6 7.22 0.58
6.06
7.22 0.61 6.00 7.38 0.65
6.08 7.38
0.69 6.00
8 9.42 0.66
8.10
9.42 0.71 8.00 9.60 0.75
8.10 9.60
0.80 8.00
10 11.60 0.74
10.12
11.60 0.80 10.00 11.84 0.86
10.12 11.84
0.92 10.00
12 13.78 0.82
12.14
13.78 0.89 12.00 14.08 0.97
12.14 14.08
1.04 12.00
14 15.98 0.90
14.18
15.98 0.99 14.00 16.32 1.07
14.18 16.32
1.16 14.00
16 18.16 0.98
16.20
18.16 1.08 16.00 18.54 1.18
16.18 18.54
1.27 16.00
18 20.34 1.07
18.20
20.34 1.17 18.00 20.78 1.28
18.22 20.78
1.39 18.00
20 22.54 1.15
20.24
22.54 1.27 20.00 23.02 1.39
20.24 23.02
1.51 20.00
24 26.90 1.31
24.28
26.90 1.45 24.00 27.76 1.75
24.26 27.76
1.88 24.00
30 33.10 1.55
30.00
33.46 1.73 30.00
36 39.60 1.80
36.00
40.04 2.02 36.00