Johnson Controls VG7241LT+71CHGA Valve Assembly

The Johnson Controls VG7241LT+71CHGA is a 3/4-inch NPT globe valve assembly designed for precise flow control in commercial HVACR systems. This 2-way valve features a cast bronze body with brass trim, offering high durability and resistance against standard system fluids. Rated at a 7.3 Cv capacity, the unit utilizes an equal percentage flow characteristic to ensure stable temperature modulation within coils. The factory-mounted VA7810 non-spring return actuator supports field-selectable control signals, including 0(2)-10 VDC, 0(4)-20 mA, two-position, or floating styles, providing maximum flexibility for BAS integration. This assembly functions as a direct VG7241LT+916GGA replacement, maintaining physical dimensions and technical parameters for a seamless drop-in installation. Operating on 24VAC power, this valve is engineered for efficiency in chilled or hot water applications, ensuring accurate hydraulic balancing and system longevity under varying load conditions.

Key Benefits

• Field-Selectable Modulation: Supports 0-10VDC and 4-20mA signals, allowing for universal compatibility with most building automation controllers.
• High Flow Precision: Features an equal percentage plug for superior control at low or high demand, reducing hunting in the control loop.
• Extended Service Life: The cast bronze body and brass trim withstand high-velocity fluid flow and thermal stress common in HVAC mechanical rooms.
• Direct Replacement: Simplifies retrofits by serving as the updated substitute for legacy VG7200 series valve configurations.

Common Questions

Is the actuator on the VG7241LT+71CHGA spring return or non-spring return?
This specific assembly uses a non-spring return motor (VA7810), meaning the valve will maintain its last position upon loss of power rather than driving to a safety position.

Can I use this valve for steam applications?
The VG7241LT+71CHGA is primarily rated for water and water-glycol solutions. Refer to technical data sheets for specific temperature limits if considering saturated steam applications.

How do I toggle between 2-10VDC and 4-20mA control signals?
The onboard Johnson Controls actuator features internal DIP switches or jumpers that allow for field selection of various analog and digital control sequences.

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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.