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Flowrite™ 599 Series High Pressure Close-Off Two-Way Valves 2-1/2 to 6-inch
Flanged Iron Bodies ANSI Classes 125 and 250
Specifications
Material
Operating
Miscellaneous
Accessories
St
Siemens Industry, Inc.
Valve size
Capacity
Body style
Seat style
Action
Stem travel (stroke)
2-1/2 and 3-inch
4, 5, and 6-inch
Valve body rating
Body
Body trim
Stem
Packing
Controlled medium
Medium temperature range
Maximum recommended differential
pressure for modulating service
Rangeability
Close-off pressures
Close-off ratings
Leakage rate
Flow characteristic
Canadian Registration Numbers
Mounting location
Flange mounting according to ANSI B16.1
Dimensions
Face-to-face dimensions
Valve weight
Figure 1. Stem Heating Element.
Document Number 155-758
2-1/2 to 6-inch (65 to 150 mm)
See Tables 5 and 6, and Figure 2
Flanged
Single seat, metal-to-metal
Normally Open (NO)
Normally Closed (NC)
3/4-inch (20 mm)
1-1/2-inch (40 mm)
ANSI Class 125 and 250; see Table 4
Cast iron ASTM A126 Class B
Stainless steel
Stainless steel ASTM A582 Type 303
EPDM O-ring
Water, 50% water-glycol solutions
20°F to 250°F (-7°C to 120°C)
50 psi (345 kPa)
>100:1
See Tables 7 and 8
According to ANSI/FCI 70-2
Class IV (0.01% of Cv)
Equal Percentage
0H7645.5
0C0838.9
NEMA 1 (interior only)
See 155-303P25 (TB 248)
See Tables 14, and Figure 7
ANSI/ISA S75.03
See Table 14
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
Power consumption
Technical Instructions
June 14, 2019
24 Vac/dc ± 20%
≤ 40 VA/30W
Page 3
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