Johnson Controls VG7241PT+3008EP Valve Assembly

The Johnson Controls VG7241PT+3008EP is a robust 2-way normally open pneumatic valve assembly designed for precise flow control in demanding HVAC applications. This 1-1/4 inch NPT assembly features a durable cast bronze body with brass trim, engineered to handle an 18.5 Cv flow coefficient with an equal percentage flow characteristic. This specific profiling ensures linear control of heat transfer, making it a reliable choice for chilled water or steam systems. The integration of the 3008EP pneumatic actuator provides consistent 9-13 PSI spring range performance, while the included valve positioner ensures high accuracy in modulation by overcoming friction and high differential pressures. Built for heavy-duty commercial environments, this brass trim control valve provides the mechanical reliability required for long-term cycling. Whether you are performing a retrofit or a new installation, this pneumatic globe valve provides the necessary spring return fail-safe operation to maintain system integrity during air pressure loss.

• Equal Percentage Profiling: Optimizes coil performance by matching the non-linear heat transfer characteristics of heat exchangers.
• Rugged Construction: Cast bronze body and brass trim offer superior corrosion resistance and longevity in hydronic systems.
• High Precision Control: Integrated positioner eliminates hysteresis, ensuring the stem position matches the controller output exactly.
• Fail-Safe Security: The normally open configuration and 9-13 PSI spring return ensure the valve returns to its safe position upon signal loss.

Common Questions

What is the maximum differential pressure for the VG7241PT+3008EP?
This assembly is rated for significant close-off pressures typical of 1-1/4 inch NPT bronze bodies; however, specific limits depend on the supply air pressure provided to the pneumatic actuator and positioner.

Can this valve be used for steam applications?
Yes, the VG7000 series bronze bodies with brass trim are suitable for saturated steam applications, provided the fluid temperatures do not exceed the rating of the valve packing and actuator components.

What is the benefit of the included positioner?
The positioner acts as a high-gain controller that compensates for stem friction and valve plug forces, ensuring the pneumatic actuator responds accurately to small changes in control signal pressure.

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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.