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 4 Siemens Industry, Inc.
Accessories
Figure 1. Stem Heating Element.
ASZ6.6 The stem heating element
prevents the formation of ice on the stem
when the medium temperature drops
below 32°F (0°C). It is suited for universal
use with valves having a stem or spindle
diameter of 10 or 14 mm.
Operating Voltage 24 Vac/dc ± 20%
Power consumption ≤ 40 VA/30W
Service Kits
Valve packing kit
Normal duty packing 599-08020
Steam packing 599-08021
Rebuild/repack kits See Table 10.
Flange gasket and bolt kit See Table 12.
Stem retainer kit: 2-1/2 inch and 3-inch valves 599-10048
Stem retainer kit: 4-inch, 5-inch, and 6-inch valves 599-10049
Tables
Table 3. Cast Iron Valve Body Ratings.
Temperature
Pressure psig (kPa)
°F
°C
ANSI Class 125
ANSI Class 250
–20 to 150
–30 to 66
200
(1387)
500
(3447)
200
93
190
(1310)
460
(3171)
250
121
175
(1206)
415
(2861)
300
149
165
(1137)
375
(2585)
400
204
140
(965)
290
(1999)
450
232
125
(861)
250
(1723)
Table 4. Maximum Water Capacity - U.S. Gallons Per Minute.
Valve
Size
in
Inches
Pressure Differential - psi
Cv/1
2
3
4
5
6
8
10
15
20
25
30
40
50
60
75
2-1/2
63
89
109
126
141
154
178
199
244
282
315
345
398
445
488
546
3
100
141
173
200
224
245
283
316
387
447
500
548
632
707
775
866
4
160
226
277
320
358
392
453
506
620
716
800
876
1012
1131
1239
1386
5
250
354
433
500
559
612
707
791
968
1118
1250
1369
1581
1768
1936
2165
6
400
566
693
800
894
980
1131
1265
1549
1789
2000
2191
2530
2828
3098
3464