Johnson Controls VG7241NT+71CHGC 1" NPT Bronze Globe Valve Assembly with 24V Proportional Actuator

The Johnson Controls VG7241NT+71CHGC is a factory-assembled valve and actuator combination designed for precise flow control of water and steam in HVAC systems. This complete assembly features a 1" NPT bronze globe valve body paired with a VA7810-HGC-2 non-spring return electric actuator, providing proportional control for heating, cooling, and hydronic applications.

Valve Body Specifications:

• 1" NPT threaded connection for easy installation
• 11.6 Cv flow coefficient for optimal performance
• Cast bronze construction with brass trim
• Two-way push-down-to-close (normally open) configuration
• Equal percentage flow characteristic for precise modulating control
• ANSI Class IV shutoff rating (0.01% of maximum flow)
• Maximum recommended pressure drop: 35 psid for water, 15 psid for steam

Electric Actuator Features:

• 24 VAC operation with field-selectable control modes
• Proportional control: 0-10 VDC, 2-10 VDC, or 4-20 mA input signals
• Non-spring return (NSR) with auxiliary switches for status indication
• 180 lb-in (800 N) linear output force for positive valve shutoff
• Brushless motor for low energy consumption and extended life
• Automatic stroke adjustment for quick commissioning
• Manual override for servicing and maintenance
• Force-controlled motor shutoff protects valve from excessive forces

This valve assembly is ideal for commercial HVAC systems requiring modulating control of chilled water, hot water, or low-pressure steam. The factory assembly ensures proper valve-actuator pairing and eliminates field installation concerns.