Thermo Electron Polysonics SX40, User Manual

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Obtaining Pipe ID
Thermo Electron Corporation Polysonics SX40 User Guide B-3
Table B–3. Ductile iron pipe standard classes 1
Nominal
Pipe
Size
Inside Diameter Cement Lining
OD Class 50 Class 51 Class 52 Class 53 Class 54 Class 55 Class 56 Std.
Thickness
Double
Thickness
3
4
6
8
10
12
3.96
4.80
6.90
9.05
11.10
13.20
6.40
8.51
10.52
12.58
3.46
4.28
6.34
8.45
10.46
12.52
3.40
4.22
6.28
8.39
10.40
12.46
3.34
4.16
6.22
8.33
10.34
12.40
3.28
4.10
6.16
8.27
10.28
12.34
3.22
4.04
6.10
8.21
10.22
12.28
3.16
3.98
6.04
8.15
10.16
12.22
0.125 0.250
14
16
18
20
24
15.30
17.40
19.50
21.60
25.80
14.64
16.72
18.80
20.88
25.04
14.58
16.66
18.74
20.82
24.98
14.52
16.00
18.68
20.76
24.92
14.46
16.54
18.62
20.70
24.86
14.40
16.48
18.56
20.64
24.80
14.34
16.42
18.50
20.58
24.74
14.28
16.36
18.44
20.52
24.68
0.1875 0.375
30
36
42
48
54
32.00
38.30
44.50
50.80
57.10
31.22
37.44
43.56
49.78
55.96
31.14
37.34
43.44
49.64
55.80
31.06
37.06
43.32
49.50
55.64
30.98
37.14
43.20
49.36
55.48
30.90
37.04
43.08
49.22
55.32
30.82
36.94
42.96
49.08
55.16
30.74
36.84
42.84
48.94
55.00
0.250 0.500
1
All measurements in inches
Note For pipes with cement linings, reduce the pipe ID by twice the lining
thickness listed above. ▲