VG7842GS Johnson Controls Valve

Overview

The Johnson Controls VG7842GS is a high-quality, compact 1/2-inch 3-way mixing globe valve designed for accurate and reliable flow control within commercial HVAC and building automation systems. Part of the trusted VG7000 Series, this valve is engineered to blend return and supply water streams seamlessly, allowing for precise temperature regulation without needing complex bypass piping. It features a rugged cast bronze body for excellent corrosion resistance and long-lasting performance in demanding hydronic terminal equipment applications.

Features

• Three-way mixing configuration for versatile hydronic system integration.
• 1/2-inch NPT end connections ensure straightforward installation.
• Linear flow characteristic delivers consistent, predictable, and proportional control response.
• Durable cast bronze body provides strong corrosion resistance.
• High-quality brass trim components ensure extended field service life.
• Slotted stem design allows for simple actuator coupling and convenient field adjustment.
• Small bonnet profile facilitates installation in tight mechanical spaces.

Specifications

• Brand: Johnson Controls
• Model/Series: VG7000 Series
• Valve Type: Globe, 3-Way Mixing
• Pipe Size: 1/2 inch (DN15)
• Connection Type: NPT
• Flow Coefficient (Cv): 4.6
• Flow Characteristic: Linear
• Body Material: Cast Bronze
• Trim Material: Brass
• Stem Type: Slotted
• Maximum Pressure: 15 psi WSP (Steam), 125 psi WOG (Water)
• Body Static Pressure Rating: ANSI Class 250

Applications

The VG7842GS is designed to work efficiently with compatible Johnson Controls electric or pneumatic actuators in a variety of commercial and industrial HVAC setups. It is ideal for controlling hot water, chilled water, glycol solutions, and low-pressure steam in hydronic terminal systems. Common applications include installation within fan coil units, air handling units, heat exchangers, baseboard radiators, and convectors to ensure stable environmental control.