Flowmetering Gilflo and ILVA flowmeters 3
Sizing - Gilflo 'B' flowmeter minimum and maximum saturated steam flowrate in lb/h Notes: 1. Q E = The equivalent water flowrate U.S. GPM for a Gilflo 'B' flowmeter. These equivalent water flowrates are based on a differential
pressure across the flowmeter of 140 inches H 2 O. 2. Minimum flow is 1% of maximum (100:1 turndown). 3. The table below is a guide only.
Steam pressure psi g
Size
Q E
15
50
75
100
150
200
400
Max.
94
1625
2353
2748
3096
3690
4203
5842
2"
Min.
2
16
24
27
31
37
42
58
Max.
308
5332
7721
9018
10162
12110
13793
19172
3"
Min.
7
53
77
90
102
121
138
192
Max.
494
8559
12394
14475
16311
19438
22139
30773
4"
3.2 37
Min.
11
86
124
145
165
195
221
308
Max.
1202
20825
30156
35220
39687
47295
53868
74876
6"
Min.
12
207
302
352
399
473
539
749
Max.
2136
37004
53585
62582
70520
84040
95719
133050
8"
Min.
21
368
530
626
710
841
956
1331
Max.
2938
50894
73700
86075
96993
115587
131651
182995
10"
Min.
29
505
737
861
977
1156
1317
1830
Max.
5100
88356
127948
149431
168385
200666
228554
317690
12"
Min.
51
877
1280
1494
1698
2007
2286
3177
Max.
8284
143530
207845
242744
273534
325972
371275
516072
16"
Min.
83
1430
2079
2428
2735
3260
3713
5161
How to order example 1 off Spirax Sarco DN150 Gilflo 'B' flowmeter flanged to EN 1092 PN16.
TI-P337-08 EMM Issue 9
Page 7 of 7
Gilflo 'B' Flowmeter Pipeline Unit
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