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PTFM 1.0 Portable Transit Time Flow Meter
Stainless Steel, Hastelloy "C" & Titanium Pipe
Pipe
Pipe
Scheule 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
¾
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
¾
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