Page 42
DFM-IV Doppler Flow Meter
Manual Series A.6
Stainless Steel, Hastelloy "C" & Titanium Pipe
Pipe
Pipe
Schedule 5 S (a)
Schedule 10 S (a)
Schedule 40 S
Schedule 80 S
Size
O.D.
I.D.
WALL
I.D.
WALL
I.D.
WALL
I.D.
WALL
½
.840
.710
.065
.674
.083
.622
.109
.546
.147
¼
1.050
.920
.065
.884
.083
.824
.113
.742
.154
1
1.315
1.185
.065
1.097
.109
1.049
.133
.957
.179
1¼
1.660
1.530
.065
1.442
.109
1.380
.140
1.278
.191
1½
1.900
1.770
.065
1.682
.109
1.610
.145
1.500
.200
2
2.375
2.245
.065
2.157
.109
2.067
.154
1.939
.218
2½
2.875
2.709
.083
2.635
.120
2.469
.203
2.323
.276
3
3.500
3.334
.083
3.260
.120
3.068
.216
2.900
.300
3½
4.000
3.834
.083
3.760
.120
3.548
.226
3.364
.318
4
4.500
4.334
.083
4.260
.120
4.026
.237
3.826
.337
5
5.563
5.345
.109
5.295
.134
5.047
.258
4.813
.375
6
6.625
6.407
.109
6.357
.134
6.065
.280
5.761
.432
8
8.625
8.407
.109
8.329
.148
7.981
.322
7.625
.500
10
10.750
10.482
.134
10.420
.165
10.020
.365
9.750
.500
12
12.750
12.438
.156
12.390
.180
12.000
.375
11.750
.500
14
14.000
13.688
.156
13.624
.188
16
16.000
15.670
.165
15.624
.188
18
18.000
17.670
.165
17.624
.188
20
20.000
19.634
.188
19.564
.218
22
22.000
21.624
.188
21.564
.218
24
24.000
23.563
.218
23.500
.250
Pipe
Pipe
Schedule 60
Schedule 80
Schedule 100
Schedule 120
Schedule 140
Schedule 160
Size
O.D.
I.D.
WALL
I.D.
WALL
I.D.
WALL
I.D.
WALL
I.D.
WALL
I.D.
WALL
½
.840
.546
.147
.466
.187
¼
1.050
.742
.154
.614
.218
1
1.315
.957
.179
.815
.250
1¼
1.660
1.278
.191
1.160
.250
1½
1.900
1.500
.200
1.338
.281
2
2.375
1.939
.218
1.689
.343
2½
2.875
2.323
.276
2.125
.375
3
3.500
2.900
.300
2.624
.438
3½
4.000
3.364
.318
4
4.500
3.826
.337
3.624
.438
3.438
.531
5
5.563
4.813
.375
4.563
.500
4.313
.625
6
6.625
5.761
.432
5.501
.562
5.189
.718
8
8.625
7.813
.406
7.625
.500
7.439
.593
7.189
.718
7.001
.812
6.813
.906
10
10.750 9.750
.500
9.564
.593
9.314
.718
9.064
.843
8.750
1.000
8.500
1.125
12
12.750 11.626
.562
11.376
.687
11.064
.843
10.750
1.000
10.500
1.125
10.126
1.312
14
14.000 12.814
.593
12.500
.750
12.126
.937
11.814
1.093
11.500
1.250
11.188
1.406
16
16.000 14.688
.656
14.314
.843
13.938 1.031 13.564
1.218
13.124
1.438
12.814
1.593
18
18.000 16.500
.750
16.126
.937
15.688 1.156 15.250
1.375
14.876
1.562
14.438
1.781
20
20.000 18.376
.812
17.938
1.031
17.438 1.281 17.000
1.500
16.500
1.750
16.064
1.968
22
22.000 20.250
.875
19.750
1.125
19.250 1.375 18.750
1.625
18.250
1.875
17.750
2.125
24
24.000 22.064
.968
21.564
1.218
20.938 1.531 20.376
1.812
19.876
2.062
19.314
2.343