Data Sheet for Product

Technical Instructions
Document No. 155-199P25
October 24, 2005
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
Technical Bulletin (TB) 252 (155-307P25) for selection procedure and ordering codes.
Valve assemblies can be ordered using the numbers in Table 1.
Specifications
Line size 1/2 to 1 inch (15 to 25 mm)
Capacity See Tables 3 and 4 and Figure 1
Body style Globe
Seat style Metal-to-metal
Action Three-way mixing
Valve body rating ANSI Class 250; See Table 2
Stem travel (Stroke) 7/32-inch (5.5 mm)
Material
Body UNS CA844 bronze
or forged brass C37700
Body trim Brass
Stem Stainless steel ASTM A582 Type 303
Packing Ethylene propylene O-ring
Operating
Controlled medium Water, glycol solutions to 50%
Medium temperature range 35°F to 250°F (2°C to 120°C)
Maximum inlet pressure See Table 2
Maximum recommended differential pressure
for modulating service 25 psi (173 kPa)
Rangeability
Cv <1 >50:1
Cv >1 >100:1
Close-off pressures See Table 5 and Figure 2
Close-off ratings According to ANSI/FCI 70-2
Leakage rate Class IV (0.01% of Cv)
Flow characteristics Linear
Miscellaneous
Canadian Registration Numbers 0H7645.5
0C0838.9
Mounting location NEMA 1 (interior only)
Dimensions See Tables 6 and 7 and
Figures 4 and 5
Valve Weight See Table 6
Service Kit
Protective black knob
to cover the bonnet
and threads
4 268 8895 0