Flowmetering Vortex flowmeters 3
Typical Metric flowrates are on page 7
Typical Imperial flowrates - VIM20 Saturated steam (lb / h)
Nominal Pipe Size
Pressure
3"
6"
8"
12"
16"
24"
Minimum
205
800
1 385
3 099
4 893
11 132
5 psi g
Maximum
2 721
10 633
18 412
41 196
65 039
147 954
Minimum
468
1 831
3 170
7 092
11 197
25 472
100 psi g
Maximum
14 246
55 674
96 407
215 703
340 546
774 698
Minimum
632
2 471
4 278
9 572
15 111
34 377
200 psi g
Maximum
25 948
101 405
175 595
392 880
620 268
1 411 029
Minimum
762
2 976
5 153
11 530
18 203
41 410
3.6 8
300 psi g
Maximum
37 652
147 145
254 799
570 093
900 047
2 047 489
Minimum
873
3412
5 908
13 219
20 870
47 477
400 psi g
Maximum
49 494
193 420
334 930
749 382
1 183 103
2 691 404
Minimum
974
3 805
6 588
14 741
23 272
52 942
500 psi g
Maximum
61 543
240 507
416 468
931 816
1 471 125
3 346 615
Air (SCFM) at 70 °F
Nominal Pipe Size
Pressure
3"
6"
8"
12"
16"
24"
Minimum
56
220
381
852
1 345
3 059
5 psi g
Maximum
924
3 611
6 253
13 991
22 089
50 250
Minimum
157
615
1 065
2 383
3 763
8 560
100 psi g
Maximum
7 236
28 279
48 969
109 564
172 977
393 500
Minimum
216
843
1 460
3 266
5 156
11 729
200 psi g
Maximum
13 588
53 101
91 950
205 732
324 804
738 886
Minimum
262
1 022
1 770
3 960
6 251
14 221
300 psi g
Maximum
19 974
78 059
135 169
302 430
477 467
1 086 176
Minimum
301
1 175
2 034
4 551
7 186
16 346
400 psi g
Maximum
26 391
103 136
178 593
39 9588
630 859
1 435 121
Minimum
335
1 310
2 269
5 077
8 015
18 233
500 psi g
Maximum
32 834
128 314
22 2191
49 7136
784 865
1 785 464
TI-P339-07 CMGT Issue 4
Page 8 of 11
VIM20 Vortex Insertion Flowmeter
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