VG7842ST Johnson Controls Valve

Overview

The Johnson Controls VG7842ST is a 2-inch NPT, 3-way mixing globe valve designed for precise hydronic flow control in commercial HVAC and building automation systems. Featuring a rugged cast bronze body and brass trim, this VG7000 series valve regulates the flow of hot water, chilled water, or 50% glycol solutions to maintain accurate discharge temperatures and optimize energy efficiency.

Features

• 3-way mixing configuration for blending or diverting hydronic fluid streams
• 2-inch NPT threaded end connections for straightforward installation
• High-capacity flow performance with a 46.2 Cv flow coefficient
• Linear flow characteristic for proportional and stable control response
• Standard threaded stem providing seamless compatibility with pneumatic and electric actuators
• Durable cast bronze body and brass internal trim that resist corrosion and wear

Specifications

• Valve Type: Globe, 3-Way Mixing
• Pipe Size: 2 inch (DN50)
• Connection Type: NPT Threaded
• Flow Coefficient: 46.2 Cv
• Flow Characteristic: Linear
• Body Material: Cast Bronze
• Trim/Seat Material: Brass
• Maximum Pressure: 400 psi
• Safe Working Water Pressure: 308 psi
• Maximum Fluid Temperature: 281 degrees Fahrenheit

Applications

• Hydronic heating and cooling coil control
• Chilled and hot water mixing loops
• Fan coil unit and air handling unit valve assemblies
• Commercial and industrial HVAC water distribution
• Building automation and energy management systems