Johnson Controls VG7243GT+3008D Valve Assembly

The Johnson Controls VG7243GT+3008D is a rugged 2-way normally open pneumatic valve assembly designed for precise flow control in demanding HVAC applications. This 1/2 inch NPT valve features a robust cast bronze body paired with stainless steel trim, ensuring durability against scale and erosion. With a 4.6 Cv rating and an equal percentage flow characteristic, it provides stable modulating control for hot water or chilled water systems. The unit is driven by a 3008D pneumatic actuator, featuring a 4-8 PSI spring range for reliable spring return operation. This configuration is ideal for proportional control where fail-safe open performance is critical. Field technicians often select the VG7000 series for its ease of maintenance and compatibility with existing pneumatic control loops. Integrating this Johnson Controls pneumatic valve ensures repeatable performance and long-term reliability in commercial piping systems.

Key Benefits

• Stainless Steel Internals: High-grade trim resists wear and extends the service life of the valve seat and plug.
• Precise Modulation: Equal percentage flow characteristic delivers linear heat transfer, optimizing system efficiency.
• Fail-Safe Operation: The spring return mechanism ensures the valve defaults to the open position upon loss of control air.
• Standardized Connections: 1/2" NPT female threads allow for straightforward integration into standard pipe runs.
• Field-Proven Actuator: The 3008D exposed actuator provides high close-off pressure and consistent response across the 4-8 PSI range.

Common Questions

What is the maximum fluid temperature for the VG7243GT?
The bronze body and stainless steel components are typically rated for saturated steam up to 35 psig and water temperatures ranging from 35°F to 281°F, depending on the packing material used.

Can this valve be used for steam applications?
Yes, the VG7000 series with stainless steel trim is designed to handle low-pressure steam service, though you should verify specific pressure limits for your configuration.

How do I adjust the spring range for this actuator?
The 4-8 PSI range is fixed by the internal spring calibration; if your control signal differs, ensure your transducer or pilot positioner is calibrated to match this range for accurate positioning.

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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.