VG7842RT+72CHGA Johnson Controls Valve / Actuator

Overview

The Johnson Controls VG7842RT+72CHGA is a 1-1/2 inch, 3-way mixing globe valve assembly from the VG7000 Series, equipped with a VA7820-HGA-2 electric spring-return actuator. Designed for precise flow regulation in commercial and industrial HVAC systems, this assembly features a durable cast bronze body and brass linear trim, engineered for seamless integration into complex environmental control systems.

Features

• 3-way mixing configuration with a linear flow characteristic.
• Modulating spring-return electric actuator providing selectable control options.
• Robust cast bronze body with a standard threaded stem and brass trim.
• High-quality construction ensuring ANSI Class IV leakage rating and long-term reliability.

Specifications

• Pipe Size: 1-1/2 inches (1.5″ FNPT)
• Flow Capacity: 28.9 Cv
• Nominal Voltage: 24 VAC
• Maximum Static Pressure: 400 psi
• Fluid Temperature Range: 35°F to 284°F (2°C to 140°C) for water; up to 35 psig for saturated steam
• Pressure Class: ASME B16.15 Class 250

Applications

• Ideal for precise modulation and temperature control in hot water and chilled water systems.
• Well-suited for hydronic heating and cooling systems within building automation networks.
• Compatible with water, glycol solutions (up to 50%), and low-pressure steam applications.