Johnson Controls VG7842CT Valve

For contractors managing precise hydronic or steam requirements, the Johnson Controls VG7842CT 3-way mixing valve is a high-performance solution for HVACR modulation. This 1/2 inch NPT mixing valve features a rugged cast bronze body designed to withstand high-demand commercial environments, meeting ANSI Class 250 pressure standards. With a 0.73 Cv flow coefficient and a linear flow characteristic, it ensures stable and accurate control of hot water, chilled water, or 50/50 glycol solutions. The internal components consist of brass trim and a stainless steel stem, providing superior corrosion resistance. This model is part of the VG7000 series globe valves, engineered for seamless integration with electric or pneumatic actuators, such as the VA-7000 or VA-4233 series. The standard threaded stem allows for straightforward field or factory assembly, while the 25:1 rangeability provides the fine-tuned modulation necessary for modern building automation systems.

• Precise Flow Control: The linear flow response is optimized for 3-way mixing applications in hydronic loops.
• Durable Construction: Built with a cast bronze body and brass trim to maintain integrity under high-pressure conditions.
• High Temperature Versatility: Capable of handling media temperatures from 35?F to 248?F, including saturated steam up to 35 psig.
• Actuator Compatibility: Designed for easy pairing with VA-7150 or VA-748x series actuators without complex linkages.
• Tight Shut-off: Features an ANSI Class IV leakage rating with an elastomer disc for reliable isolation and system efficiency.

• What is the maximum close-off pressure for this valve? The close-off pressure is actuator-dependent, but the VG7842CT is typically rated for up to 345 psig depending on the specific assembly.
• Is this valve suitable for steam applications? Yes, the VG7842CT globe valve is rated for saturated steam up to 35 psig when paired with the appropriate high-temperature actuator.
• Does this model include the actuator? This is the 1/2" 3-way mixing valve body with a standard threaded stem and does not include the actuator unless purchased as a complete assembly.

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.