Johnson Controls V46AM-2 Valve

The Johnson Controls V46AM-2 is a robust, 1 1/4 inch pressure actuated water regulating valve engineered for high-performance modulation in commercial refrigeration systems. Designed specifically for non-corrosive refrigerants, this direct-acting 2-way water valve utilizes a cast iron body to maintain head pressure by throttling water flow through the condenser. The Style 46 pressure element features a 48-inch capillary with a 1/4 inch flare nut, allowing for remote sensing and precise control. With a wide opening point range of 70 to 260 PSI, the V46AM-2 ensures stable operation even under fluctuating load conditions. The union sweat connection simplifies field installation and serviceability for contractors. This standard flow commercial valve is built to handle high-demand HVACR environments, preventing short-cycling and optimizing heat exchange efficiency. Its pressure-balanced design resists fluctuations in inlet water pressure, ensuring consistent refrigerant head pressure management for water-cooled condensers.

Key Technical Benefits:

• Precision Pressure Regulation: High-accuracy head pressure control ensures optimal system efficiency in varying ambient temperatures.
• Durable Construction: Heavy-duty cast iron housing provides long-term reliability in commercial HVACR applications.
• Wide Adjustment Range: The 70 to 260 PSI range accommodates a broad spectrum of high-side refrigerant pressures.
• Simplified Installation: The 1 1/4" union sweat fittings allow for rapid brazing and secure plumbing integration.
• Versatile Compatibility: Engineered for use with a variety of non-corrosive refrigerants common in industrial cooling.

Common Questions:

What is the maximum water temperature rating for the V46AM-2?
This valve is typically rated for water temperatures up to 170°F (77°C), making it suitable for most standard cooling tower and city water applications.

How do you adjust the opening point on a Johnson Controls water valve?
The opening point is adjusted via the range screw located at the top of the valve. Turning the screw changes the spring tension against the bellows to set the desired refrigerant head pressure.

Can the V46AM-2 be used with seawater or corrosive fluids?
No, this specific model features a cast iron body intended for fresh water and non-corrosive refrigerants. For marine or corrosive applications, a maritime-rated bronze valve is required.

Disclaimer: While we strive for 100% accuracy, product data and specifications are subject to change. Please contact our team to confirm compatibility or technical details before purchasing.