Johnson Controls VG7241PT+71CAGA Valve Assembly
The Johnson Controls VG7241PT+71CAGA is a precision-engineered 1-1/4 inch NPT globe valve assembly designed for demanding HVACR control applications. This two-way normally open configuration features a cast bronze body with durable brass trim, providing an 18.5 Cv flow capacity with equal percentage flow characteristics for stable modulation of hot water, chilled water, or 38 psig saturated steam. The VG7241PT+71CHGA serves as the current direct replacement for the legacy VG7241PT+916AGA, ensuring seamless integration into existing commercial building automation systems.
Equipped with a non-spring return actuator, the assembly supports versatile control signals including 0(2)-10VDC, 0(4)-20mA, or floating inputs, all of which are field-selectable for maximum flexibility on the job site. The synchronous motor operates on 24VAC, delivering reliable positioning and high close-off pressure ratings to prevent leakage and optimize energy efficiency. Built for longevity in professional environments, the VG7000 series utilizes the standard Johnson Controls ring pack packing, which allows for in-line maintenance and reduced downtime during routine system service.
Key Benefits:- Precise Modulation: The equal percentage plug design ensures accurate flow control and hunting prevention in variable load conditions.
- Drop-in Replacement: Directly replaces the VG7241PT+916AGA while maintaining identical physical dimensions and NPT threaded connection points.
- Multi-Signal Compatibility: Supports proportional, two-position, and floating control signals without requiring separate actuator modules.
- High Temperature Rating: Engineered to handle fluid temperatures ranging from 35°F to 284°F, making it suitable for both cooling and heating loops.
Is the actuator action reversible in the field?
Yes, the actuator features internal jumpers or switches that allow the technician to set the direction of travel (Direct or Reverse acting) based on the specific requirements of the controller and system logic.
What is the maximum pressure drop for water applications?
For 1-1/4 inch VG7000 valves with brass trim, the maximum recommended operating pressure drop is 35 psi to ensure quiet operation and prevent cavitation.
Can this valve be used for steam service?
The VG7241PT+71CAGA is rated for saturated steam up to 38 psig. For higher pressure steam applications, stainless steel trim models are generally recommended.
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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.
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