Data Sheet for Product

Technical Instructions Flowrite VF599 Series Three-Way Valves
Document Number 155-160P25 2-1/2 to 6-inch Flanged Iron Body
June 14, 2019
Page 2 Siemens Industry, Inc.
Ordering a Valve
Plus Actuator
Assembly
To order a complete valve plus actuator assembly from the factory, combine the actuator
prefix code with the suffix of the valve assembly product number. See Flowrite™ 599
Series - 2-1/2 to 6-Inch Valve, Two-Way & Three-Way, and Actuator Assembly Selection
Technical Bulletin (155-776 [TB 256])for selection procedure and ordering codes.
Valve assemblies can be ordered using the numbers in Table 1.
The service flange is ordered separately.
Specifications
Line size 2-1/2 to 6 inches (65 to 150 mm)
Capacity See Table 6, Table 7, and Figure 2.
Body style Flanged
Seat style Metal-to-metal
Action Three-way water mixing
Valve body rating See Table 5.
Stem travel (Stroke)
2-1/2 and 3-inch 3/4-inch (20 mm)
4, 5, and 6-inch 1-1/2 inches (40 mm)
Material
Body Cast iron ASTM A 126 Class B
Body trim See Table 1.
Stem Stainless steel ASTM A582 Type 303
Packing Double EPDM O-rings
Liquid service to 250°F (120°C)
Controlled medium Water, glycol solutions to 50%
Medium temperature range 20°F to 250°F (–7°C to 120°C)
Operating
Maximum inlet pressure See Table 5.
Maximum recommended differential pressure
for modulating service
Bronze trim 25 psi (173 kPa)
Stainless steel trim 50 psi (345 kPa).
Rangeability >100:1
Close-off pressures See Table 8, Table 9, and Figure 3.
Close-off ratings According to ANSI/FCI 70-2
Leakage rate Class IV (0.01% of Cv)
Flow characteristics Equal percentage for NC
Linear for NO
Miscellaneous
Canadian Registration Numbers 0H7645.5…
0C0838.9...
Mounting location NEMA 1 (interior only)
Mounting according to ANSI B16.1 See Cast Iron Flange Dimensions for 2-1/2
through 6-inch Valves Technical Bulletin
(155-303P25 [TB 248])
Dimensions See Table 11, Table 12, and Figure 5.
Face-to-face dimensions ANSI/ISA S75.03
Valve weight See Table 12.