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VVP45... and VXP45... Series
Two-port and Three-port Seat Valves
ANSI Class 250 Short-stroke Valves
Two-port Seat Valve
Description
Features
Application
Product Numbers
VVP45...
Two-port seat valves of the VVP45... range with two-port connection
Three-port seat valves of the VXP45... range with three-port connection
• Nominal pressure, ANSI Class 250
• Bronze valve body
• 1/2-inch, 3/4-inch and 1-inch diameters
• Externally threaded connections G 1/2-inch, G 3/4-inch and G 1-inch
• Nominal stroke 5.5 mm
• Manual adjusting knob
• Can be fitted with SSB... or SSC... electric actuators
• In ventilating and air conditioning applications to control, for water side, terminal
units in closed circuits, such as induction and fan coil units, small unit heaters and
small water-cooled units. For use in:
−
Two-pipe systems with one heat exchanger for heating and cooling
−
Four-pipe systems with two separate heat exchangers for heating and cooling
• In heating applications to control heating zones in closed circuits, such as:
−
Self-contained heating systems
−
Apartments
−
Individual rooms
See Table 1.
Technical Instructions
Document No. CM1N4845E-P25
Three-port Seat Valve
VXP45...
Siemens Building Technologies, Inc.
Rev. 4, February, 2002
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Related Manuals for Siemens VXP45 Series
Summary of Contents for Siemens VXP45 Series
- Page 1 Four-pipe systems with two separate heat exchangers for heating and cooling • In heating applications to control heating zones in closed circuits, such as: − Self-contained heating systems − Apartments − Individual rooms Product Numbers See Table 1. Siemens Building Technologies, Inc.
-
Page 2: Operating Pressure
V…45.32-16 and V…P45.40-25 are only operated with SSC actuators. Actuator Operating Control Run Time Positioning Voltage (Seconds) Force SSB61... 24 Vac 0 to 10 Vdc 45 lbf 27.7 SSB81... 3-Point SSC61... 0 to 10 Vdc 67 lbf SSC81... 3-Point Page 2 Siemens Building Technologies, Inc. -
Page 3: Engineering Notes
AB = Variable flow in straight- through port (outlet). Variable flow in straight- through port (inlet). Figure 1. VVP45. Stem retracted: Path A → AB open. Stem extended: Path A → AB closed. Page 3 Siemens Building Technologies, Inc. -
Page 4: Mounting Notes
3. Release pressure and allow to cool down completely. 4. Disconnect electrical connections, if necessary, from terminals. Only commission the valve using the preset manual adjusting knob or with an actuator mounted in accordance with the relevant instructions. Page 4 Siemens Building Technologies, Inc. -
Page 5: Specifications
Threaded connections Fitting ISO 7/1 ANSI Class 250 Pressure class 0.2 inch (5.5 mm) Nominal stroke Body Bronze Valve materials Spindle Stainless steel Plug, seat, gland Brass O-rings Special EPDM rubber See Dimensions Weight Page 5 Siemens Building Technologies, Inc. - Page 6 Information in this publication is based on current specifications. The company reserves the right to make changes in specifications and models as design improvements are introduced. Other product or company names mentioned herein may be the trademarks of their respective owners. © 2002 Siemens Building Technologies, Inc. Siemens Building Technologies, Inc.