Data Sheet for Product

Technical Instructions Flowrite VF 599 Series Two-Way Valves
Document Number 155-159P25 2-1/2 to 6-inch Flanged Iron Body
June 14, 2019
Page 6 Siemens Industry, Inc.
Table 6. Steam Capacity - Pounds Per Hour.
Inlet Pressure - psig
Line
Size
in
Inches
2
5
10
15
25
50
100
Pressure Differential - psi
1
2
3
4
5
6
8
10
9
12
15
15
20
30
32.5
50
57.5
2-1/2
753
1048
1383
1574
1735
2135
2408
2626
2818
3155
3405
4112
4552
7225
7225
12530
13152
3
1195
1664
2194
2499
2754
3389
3822
4168
4473
5008
5405
6527
7225
11468
11468
19889
20875
4
1913
2663
3511
3998
4407
5422
6115
6669
7156
8013
8649
10443
11561
18348
18348
31823
33401
5
2988
4160
5486
6247
6885
8472
9554
10421
11181
12521
13514
16317
18064
28669
28669
49723
52189
6
4781
6657
8778
9996
11016
13555
15287
16674
17890
20034
21622
26108
28902
45870
45870
79556
83502
Table 7. Steam Capacity - Kilograms Per Hour.
Inlet Pressure - kPa
Line
Size
in
mm
50
100
150
200
500
1000
Pressure Differential - kPa
10
25
10
20
50
15
30
75
20
40
100
50
100
250
100
200
500
65
5413
8559
5413
7655
12104
6630
9376
14825
7655
10826
17118
12104
17118
27066
17118
24209
38277
80
8521
13473
8521
12050
19053
10436
14758
23335
12050
17042
26945
19053
26945
42604
26945
38106
60251
100
13733
21715
13733
19422
30709
16820
23787
37611
19422
27467
43429
30709
43429
68667
43429
61418
97110
125
21452
33919
21452
30338
47969
26274
37156
58749
30338
42905
67838
47969
67838
107261
67838
95937
151690
150
34284
54207
34284
48484
76660
41989
59381
93889
48484
68567
108414
76660
108414
171418
108414
153321
242421
Table 8. Close-off Pressures for Pneumatic Actuators.
Action
Valve Size
Inches
(mm)
3 to 8 psi (21 to 55 kPa) Spring Range
8" Actuator
12" Actuator
15 psi
(103 kPa)
30 psi
(207 kPa)
15 psi
(103 kPa)
30 psi
(207 kPa)
Normally
Open
2-1/2 (65)
31 (213)
100 (689)
95 (655)
304 (2096)
3 (80)
20 (44)
66 (144)
63 (434)
200 (1378)
4 (100)
—
—
40 (275)
129 (889)
5 (125)
—
—
26 (179)
82 (565)
6 (150)
—
—
18 (124)
57 (393)
Normally
Closed
Valve Size
Inches
(mm)
8 to 13 psi (55 to 90 kPa) Spring Range
8" Actuator
12" Actuator
0 psi (0 kPa)
0 psi (0 kPa)
2-1/2 (65)
36 (248)
114 (786)
3 (80)
23 (158)
74 (510)
4 (100)
—
46 (317)
5 (125)
—
29 (199)
6 (150)
—
20 (137)