Johnson Controls VG7243PT+71CHGA Valve Assembly

The Johnson Controls VG7243PT+71CHGA is a heavy-duty 1-1/4 inch NPT globe valve assembly engineered for precise proportional control in demanding HVACR systems. This 2-way normally open (Push-Down-to-Close) unit features a robust cast bronze body and stainless steel trim, making it ideal for regulating hot water, chilled water, and saturated steam up to 38 psig. With a high 18.5 Cv flow coefficient and an equal percentage flow characteristic, this valve ensures stable modulation and linear heat transfer across its entire stroke. It serves as the direct replacement for VG7243PT+916GGA, maintaining identical mechanical footprints for seamless field retrofits.

The assembly is powered by a VA7810nd non-spring return actuator, offering versatile control options including 0-10 VDC, 4-20 mA, floating, or two-position signals, all field-selectable via internal jumpers. The synchronous motor and magnetic clutch mechanism provide a minimum of 180 lb force, ensuring tight ANSI Class IV shutoff and protecting the gear train from stall conditions. Designed for longevity, the VG7000 series utilizes self-adjusting packing and is rated for temperatures up to 284°F, providing contractors with a reliable, long-service solution for critical climate control applications.

• Enhanced Durability: Features stainless steel trim and a bronze body for superior corrosion resistance and longevity in steam or high-flow water applications.
• Field Versatility: Multi-signal compatibility (0-10V, 4-20mA, Floating) allows this single unit to interface with a wide variety of building automation systems.
• Simplified Retrofitting: Direct drop-in replacement for VG7243PT+916GGA, reducing labor time during component upgrades or repairs.
• Reliable Shutoff: The non-spring return actuator combined with 180 lb of seating force ensures consistent close-off performance against system pressures.

Is this valve suitable for steam applications?
Yes, the VG7243PT+71CHGA is rated for saturated steam up to 38 psig, provided the valve is installed with the stem in the horizontal position to protect the actuator from heat.

What is the default fail position for this non-spring return model?
Being non-spring return, the actuator will maintain its last commanded position upon loss of power unless a backup power source is integrated into the control loop.

Can I change the control signal in the field?
Yes, the 71CHGA actuator features internal jumpers that allow the technician to switch between 0-10 VDC proportional, 4-20 mA, or floating control depending on the site requirements.

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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.