Johnson Controls VG1245AE+923GGB 1/2" Two-Way Ball Valve with Spring Return Proportional Actuator

The Johnson Controls VG1245AE+923GGB is a complete valve and actuator assembly designed for precise flow control of chilled water, hot water, 50% glycol solutions, and low-pressure steam in commercial HVAC systems. This assembly combines a VG1245AE two-way ball valve with a 923GGB spring return proportional electric actuator for reliable, modulating control.

Valve Specifications:

• Connection Size: 1/2 inch NPT threaded
• Flow Coefficient (Cv): 1.9
• Construction: Forged brass body with stainless steel ball and stem
• Maximum Close-Off Pressure: 200 PSI
• Maximum Static Pressure: 580 PSI
• Temperature Range: -22°F to 284°F (-30°C to 140°C)
• Steam Rating: Up to 15 PSIG (stainless steel trim only)
• Seats: Graphite-reinforced PTFE for enhanced wear resistance

Actuator Features:

• Control Type: Spring return proportional control
• Power Supply: 24 VAC
• Control Signal: 0-10 VDC proportional input
• Torque: 27 lb-in (3 Nm)
• Stroke Time: Approximately 90 seconds
• Rotation Range: 90 degrees
• Auxiliary Switch: One SPDT switch included
• Ambient Temperature Range: Up to 140°F (60°C)
• Power Consumption: 5.1 VA

Performance Benefits:

• 500:1 rangeability provides accurate control under varying load conditions
• Characterized insert for equal percentage flow control
• Maintenance-free design withstands over 200,000 full stroke cycles
• Spring return operation ensures fail-safe positioning during power loss
• Direct-coupled actuator mounting eliminates linkage adjustment
• Factory assembled and tested for immediate installation

This valve and actuator combination is ideal for terminal units, fan coil units, unit heaters, and other HVAC applications requiring precise, proportional flow control. The spring return feature ensures the valve returns to a safe position in the event of power failure, providing added system protection.