Flowmetering Vortex flowmeters 3
Typical Metric flowrates - VIM20 Saturated steam flowrates (kg/hr)
Nominal Pipe Size
Pressure
80 mm 150 mm 200 mm 300 mm 400 mm 600 mm
Minimum
81
316
548
1 226
1 936
4 404
0 bar g
Maximum
938
3667
6 350
14 209
22 432
51 039
Minimum
187
729
1 263
2 826
4 461
10 151
5 bar g
Maximum
4 986
19 486
33 742
75 495
119 189
271 187
Minimum
249
972
1 683
3 767
5 947
13 530
10 bar g
Maximum
8 859
34 620
59 949
134 132
211 764
481 821
Minimum
298
1164
2 016
4 510
7 120
16 200
3.6 7
15 bar g
Maximum
12 700
49 629
85 939
192 283
303 570
690 705
Minimum
340
1329
2 301
5 148
8 128
18 493
20 bar g
Maximum
16 550
64 676
111 995
250 581
395 609
900 119
Minimum
413
1612
2 791
6 246
9 860
22 435
30 bar g
Maximum
24 357
95 187
164 827
368 789
582 234
1 324 739
Air (nm 3 / h) at 20 °C
Nominal Pipe Size
Pressure
80 mm 150 mm 200 mm 300 mm 400 mm 600 mm
Minimum
89
347
601
1 345
2 124
4 833
0 bar g
Maximum
1 463
5 716
9 897
22 145
34 962
79 547
Minimum
217
847
1 467
3 282
5 181
11 788
5 bar g
Maximum
8 702
34 006
58 885
131 751
208 004
473 266
Minimum
294
1 148
1 987
4 446
7 020
15 972
10 bar g
Maximum
15 975
62 430
108 105
241 878
381 870
868 857
Minimum
355
1 385
2 399
5 368
8 474
19 282
15 bar g
Maximum
23 280
90 979
157 542
352 487
556 497
1 266 182
Minimum
407
1 589
2 751
6 156
9 718
22 112
20 bar g
Maximum
30 615
119 642
207 175
463 539
731 823
1 665 095
Minimum
495
1 934
3 349
7 493
11 829
26 915
30 bar g
Maximum
45 361
177 268
306 961
686 801
1 084 302
2 467 081
Typical Imperial flowrates are on page 8
TI-P339-07 CMGT Issue 4
Page 7 of 11
VIM20 Vortex Insertion Flowmeter
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