VVVP445…and VXP45… Series Two-port and Three-port Seat Valves
Technical Instructions
ANSI Class 250
Document Number CM1N4845E-P25
Rev. 4, February, 2002
Siemens Building Technologies, Inc.
Page 5
Specifications
Characteristics
Throughport A
→
AB
n
gl
= 2.2
(equal percentage, optimized for large
controllable
range)
Bypass B
linear
Leakage rate
Throughport A
→
AB
0 to 0.01% of Cv
s
-value
Bypass B
0 to 0.01% of Cv
s
-value
Rangeability
See
Product Numbers
Threaded connections
Valve ISO
228/1
Fitting ISO
7/1
Pressure class
ANSI Class 250
Nominal stroke
0.2 inch (5.5 mm)
Valve materials
Body Bronze
Spindle Stainless
steel
Plug, seat, gland
Brass
O-rings Special
EPDM
rubber
Weight
See
Dimensions