VG7842CS+8020G Johnson Controls Valve / Actuator

Overview

The Johnson Controls VG7842CS+8020G is a 1/2-inch 3-way mixing globe valve assembly paired with a VA-8020 synchronous motor-driven electric actuator. Designed for precise hydronic flow control in commercial HVAC and building automation systems, this assembly regulates water temperature in heating and cooling processes by effectively mixing or diverting water and glycol solutions.

Features

• 3-way mixing configuration for flexible fluid blending and flow control
• Cast bronze body construction providing excellent durability and corrosion resistance
• Brass trim components to ensure a reliable close-off and long service life
• Slotted stem design with a small bonnet profile for easy actuator coupling in tight spaces
• Non-spring return electric actuator offering quiet, floating three-wire control

Specifications

• Valve Size: 1/2 inch
• Connection Type: Female NPT
• Flow Coefficient: 0.73 Cv
• Flow Characteristic: Linear
• Input Power: 24 VAC
• Control Type: Floating Point
• Actuator Force: 22 lb-f minimum seating force
• Enclosure Rating: NEMA 1

Applications

• Commercial HVAC systems
• Hydronic heating and cooling loops
• Building automation and energy management systems
• Water temperature control in unit ventilators or baseboard applications