Johnson Controls VG2831TM Valve

The Johnson Controls VG2831TM is a heavy-duty 2 1/2 inch 3-way mixing globe valve designed for precision control in large-scale hydronic systems. Built with a rugged cast iron body and durable brass trim, this ANSI Class 125 flat-faced flange valve provides reliable performance in high-flow HVAC applications. It features a 54 Cv rating with a modified linear flow characteristic, ensuring stable modulation for chilled or hot water systems. The 3/8 inch threaded stem is compatible with pneumatic and electric actuators, allowing for seamless integration into existing Building Automation Systems (BAS). This mixing valve is engineered to handle rigorous temperature and pressure demands, making it a staple for commercial mechanical rooms requiring accurate fluid temperature maintenance. Whether you are replacing an aged unit or performing a new install, the VG2000 series flanged globe valve offers the mechanical integrity needed for long-term service in central plant operations.

Key Benefits

• Precision Mixing: The modified linear flow design provides accurate domestic water or glycol mixing to maintain setpoint stability.
• Heavy-Duty Construction: Features a high-tensile cast iron body and brass internal trim for resistance to scaling and mechanical wear.
• Standardized Integration: The ANSI Class 125 flanged connection simplifies installation in existing 2.5-inch piping schedules.
• Field Serviceable: Designed for easy maintenance with a standard 3/8" threaded stem that accepts various JCI actuator linkages.

Common Questions

What is the maximum fluid temperature for this valve?
The VG2831TM is typically rated for water temperatures ranging from 35°F to 281°F, depending on the specific actuator and packing used.

Can this valve be used for steam application?
This specific model is designed for 3-way mixing of liquids; 3-way valves are generally not utilized for steam service.

Which actuators are compatible with the VG2831TM?
It is compatible with Johnson Controls M9000 and VA series actuators when equipped with the appropriate linkage hardware.

This item must be shipped via trucking. Please contact us for a freight quote.

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.