PN25080
Vortex Meter (TRIO-WIRL V) 3 - 13
TRIO-WIRL INSTRUCTION MANUAL
FIGURE 3-14 PRESSURE DROP, AIR @70
o
F & 14.7 psia
TABLE 3-4. VORTEX FLOW RANGES, SATURATED STEAM [LB/H]
Meter Size
[psig]
15
30
60
100
125
150
200
250
300
Inch
DN
1/2
15
min
max
15
60
20
85
30
135
45
200
55
245
65
285
85
365
105
450
125
530
1
25
min
max
30
210
45
310
75
500
110
740
135
900
155
1055
200
1360
245
1665
290
1970
1-1/2
40
min
max
55
865
80
1275
130
2065
190
3060
230
3720
270
4370
350
5630
425
6890
505
8150
2
50
min
max
110
1145
160
1685
260
2735
385
4055
465
4930
545
5790
705
7460
860
9130
1020
10800
3
80
min
max
200
2415
295
3550
475
5765
700
8545
855
10385
1000
12195
1290
15715
1580
19230
1865
22750
4
100
min
max
305
4575
450
6730
730
10925
1080
16195
1315
19685
1545
23115
1990
29785
2435
36450
2880
43120
6
150
min
max
665
10300
975
15160
1585
24600
2345
36465
2855
44330
3350
52050
4315
67070
5280
82085
6250
97100
8
200
min
max
1065
17280
1570
25440
2545
41280
3775
61200
4590
74400
5390
87360
6940
112560
8495
137760
10050
162960
10
250
min
max
2090
30530
3075
44945
4990
72930
7395
108120
8990
131440
10555
154335
13600
198860
16645
243375
19690
287900
12
300
min
max
3305
43200
4865
63600
7895
103200
11705
153000
14330
186000
16710
218400
21530
281400
26350
344400
31165
407400
Density
sat [lb/ft
3
]
0.072
0.106
0.172
0.255
0.31
0.364
0.469
0.574
0.679
Temp.
Tsat [°F]
250
275
307
338
353
366
388
406
422
ρ