Johnson Controls VG7443NT+72CHGA Valve Assembly

As a veteran contractor, you know the reliability of the Johnson Controls VG7000 Series. The VG7443NT+72CHGA is a heavy-duty 1" 2-way normally closed globe valve assembly designed for high-demand HVAC water and steam control. This unit features a 11.6 Cv equal percentage flow characteristic, ensuring precise modulating control in chilled water, hot water, or saturated steam applications up to 38 psig. The cast bronze body is paired with stainless steel trim for superior corrosion resistance and longevity in the field.

The integrated VA7820-HGA-2 electric actuator provides spring return failsafe functionality, ensuring the valve defaults to the closed position during power loss. For maximum versatility, the proportional control signal is field-selectable, supporting 0(2)-10 VDC or 0(4)-20 mA inputs, as well as floating or two-position configurations. This assembly is the direct Johnson Controls replacement valve for legacy models VG7243NT+946AGA and VG7243NT+946HGA, making it an essential drop-in solution for system retrofits and maintenance.

• Enhanced Durability: Features stainless steel stem and seat to handle aggressive media and high-pressure differentials.
• Precise Modulation: The 11.6 Cv rating and equal percentage flow provide stable control and eliminate hunting in your hydronic loops.
• Flexible Control: Field-selectable switches allow for on/off, floating, or proportional control without needing extra hardware.
• Safe Operation: Reliable spring return mechanism prevents system damage by closing flow during outages.
• Broad Application: Rated for fluid temperatures from 35°F to 338°F, suitable for both 50/50 glycol and low-pressure steam.

Is this valve compatible with existing Johnson Controls Metasys systems?
Yes, the VG7443NT+72CHGA is fully compatible with Johnson Controls controllers and standard building automation system (BAS) signals, including 0-10V and 4-20mA.

Can I use this for a normally open application?
No, this specific assembly is configured as normally closed (NC). For a normally open setup, you would require the VG7243 series or a stem-up open configuration.

What is the maximum close-off pressure for this 1-inch valve?
The assembly is rated for a close-off pressure of 131 psig, making it robust enough for most commercial HVAC piping 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.