Description
The Johnson Controls V46AC-3 is a pressure-actuated water regulating valve engineered for reliable performance in commercial HVAC and refrigeration applications. Designed to automatically modulate condenser water flow in response to refrigerant head pressure, this valve helps maintain optimal system efficiency and protects compressors from high-pressure conditions.
Key Features
- Open-on-rise pressure action — valve opens as system pressure increases, allowing greater condenser water flow to reduce head pressure
- 3/4″ NPT connection for straightforward integration into standard piping systems
- Wide operating pressure range of 70–260 PSI, suitable for a broad range of commercial refrigeration and HVAC systems
- 48″ capillary tube provides flexible sensing element placement away from the valve body
- Designed for commercial use — built to withstand the demands of continuous-duty commercial environments
- Pressure-actuated operation requires no external power source, simplifying installation and reducing electrical requirements
Specifications
- Brand: Johnson Controls
- Model / SKU: V46AC-3
- Connection Size: 3/4″ NPT
- Pressure Range: 70–260 PSI
- Capillary Length: 48″
- Action: Open on Rise of Pressure
- Application: Commercial HVAC / Refrigeration
Application
The V46AC-3 is ideal for use on water-cooled condensers in commercial air conditioning and refrigeration systems. By sensing refrigerant head pressure through its capillary tube and modulating condenser water flow accordingly, the valve helps maintain consistent condensing temperatures, improves system efficiency, and extends equipment life. Its wide pressure range makes it compatible with a variety of refrigerants and system configurations.
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