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Johnson Controls V48 Series V48AD-7

Product image is representative; revision or series may vary. Contact us to request a specific version.

V48AD-7

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The V48AD-7 from Johnson Controls is a robust water regulating valve engineered for precise flow control in cooling tower applications. With its standard 1-inch NPT threaded design and three ports, it efficiently manages refrigerant R-22 in various operating conditions.

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Technical specifications for V48AD-7

ManufacturerJohnson Controls
Product TypeWater regulating valve
Product LineV48 Series
Part NumberV48AD-7
Opening Pressure Range145 to 190 psig
Capillary Tubing Length30 in. (762 mm) standard
Valve Size1 inch
Valve TypeNPT threaded
RefrigerantR-22
ApplicationWater regulation in cooling tower condenser
Internal Part MaterialAluminum bronze (disc holder, seat, and extension sleeve)
Control ActionDirect acting, pressure-modulated
Number of Ports3 ports (tower/condenser/bypass)
Factory-Set Opening Point (R-22)165 psig (1138 kPa)
Factory-Set Fully Open Point (for R-22)215 psig (1482 kPa)
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The Johnson Controls V48AD-7 is designed to manage water flow effectively in cooling tower condensers. It operates efficiently within an opening pressure spectrum from 145 to 190 psig, allowing for versatile application in different environments. This valve comes in a standard size of 1 inch and employs NPT threaded connections for easy integration into existing systems.

Key to its operation, the V48AD-7 features a control action that is both direct acting and pressure-modulated, enhancing its responsiveness to changing conditions. It includes three ports labeled for tower, condenser, and bypass applications, ensuring comprehensive regulation capabilities. The valve’s internal components, including the disc holder, seat, and extension sleeve, are constructed from aluminum bronze, ensuring durability and resistance to corrosion.

For those utilizing R-22 refrigerant, the valve’s factory-set opening point is at 165 psig (1138 kPa), while the fully open position is calibrated to 215 psig (1482 kPa), making it ideal for high-performance systems. The standard length for the capillary tubing is 30 inches (762 mm), facilitating installation while maintaining optimal operational flexibility. The V48AD-7 valve is an essential component for effective water regulation in condenser environments, providing reliable performance across various operational pressures.