The Johnson Controls V46AA-50 is a direct-acting, pressure-actuated modulating valve designed to control head pressure in water-cooled condensers. It features a 1/4″ flare fitting and operates within 70–260 psi for reliable condenser regulation.
Technical Specifications
- Part Number: V46AA-50
- Series: V46 Pressure-Actuated Modulating Valve
- Valve Type: Open on Rise (Commercial)
- Control Action: Direct-Acting
- Connection: 3/8″ NPT threaded
- Body Material: Cast Brass
- Maximum Opening Point: 70 to 260 psi
- Maximum Temperature: 170 °F (77 °C)
- Pressure Connection: 1/4″ flare fitting
Key Features and Functionality
- Open Waterway: The lack of sliding parts reduces the risk of blockage.
- Durable Wetted Parts: Its corrosion-resistant materials extend valve life.
- Adjustable Spring: The external spring simplifies setpoint changes and flushing.
- Service Access: The valve body can be opened without requiring pump-down.
- Pressure Balance: The internal design maintains regulation across variable loads.
Compatible Components and Related Parts
- Johnson Controls Mounting Kits: STT14A-600R
- Johnson Controls Positioners: SEP91A-600R
- Johnson Controls Electric Actuators: SEC37A-601R1
Industry Applications
- Refrigeration Systems: Controls condenser water for pressure stability.
- HVAC Equipment: Regulates condenser pressure in cooling units.
- Process Cooling: Maintains refrigerant balance in chiller systems.
- Building Systems: Ensures the condenser functions in facility operations.
Compliance and Approvals
- ISO 7 / DIN 2999-Rc
- ISO 228 / DIN 259-Rp
- Nominal specs meet Johnson Controls & industry standards
- Contact JCI for conditions beyond specs
Installation and Operational Notes
- Flush condenser lines before valve installation.
- Mount vertically with the spring housing upright.
- Connect the refrigerant bellows line with 1/4″ tubing.
- Adjust the opening screw under live load conditions.
- Manually flush to remove sediment without losing adjustment.
Series Information
We ship this product worldwide! Delivery is normally stock.
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