Johnson Controls D-3246-5110 Pneumatic Actuator

The Johnson Controls D-3246-5110 Pneumatic Actuator is a heavy-duty piston-style operator engineered specifically for high-performance modulation of VF Series Flanged Globe Valves. This robust pneumatic valve actuator features an 8 to 13 psi spring range, ensuring precise positioning and reliable shut-off in commercial HVACR steam and water applications. Designed with an aluminum housing for enhanced thermal stability and corrosion resistance, the D-3246-5110 provides the necessary force to overcome high close-off pressures in proportional control systems. Whether you are performing a retrofit or a new installation, this unit integrates seamlessly with pneumatic control loops, maintaining consistent stem travel and minimizing hysteresis. The field-proven design of this Johnson Controls actuator simplifies maintenance for service contractors by utilizing a standard rolling diaphragm for long-cycle reliability. Ensure your system maintains optimal flow characteristics by pairing this actuator with compatible HVAC pneumatic valves for stable building automation performance.

• High-Force Output: Specifically calibrated for VF style valves, providing the linear force required for tight close-off in high-pressure piping.
• Durable Construction: Features a rugged die-cast aluminum housing and a synthetic rubber diaphragm for extended service life in mechanical rooms.
• Precise Spring Bench Set: The 8-13 psi range allows for accurate sequencing and synchronization within pneumatic HVAC systems.
• Direct Mount Compatibility: Engineered for easy field installation, reducing labor time when replacing legacy D-3153 or D-3240 series actuators.

What valves are compatible with the D-3246-5110?
This actuator is specifically designed for 2-1/2, 3, and 4-inch Johnson Controls VF Series flanged globe valves. Always verify the valve stroke matches the actuator travel before installation.

Can the spring range be adjusted in the field?
The 8-13 psi spring range is factory-set for specific sequencing. While minor adjustments can be made via the pilot positioner if equipped, the base spring rate is fixed to ensure consistent pneumatic valve modulation.

Does this unit include a pilot positioner?
The standard D-3246-5110 is a basic actuator. For applications requiring high-accuracy positioning or increased air delivery, a DA-4000 or similar positioner may be added.

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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.