T-4506-202 Johnson Controls Thermostat

Overview

The Johnson Controls VG7842PT+3008EP is a factory-assembled pneumatic valve and actuator combination designed for precise fluid control in HVAC systems. It consists of a 1-1/4 inch 3-way mixing globe valve paired with an exposed V-3000 pneumatic actuator featuring a built-in positioner. Engineered for durability, this unit features a cast bronze body and brass trim, ensuring reliable operation in both water and steam applications.

Features

• Includes a factory-installed pneumatic positioner for precise modulating control.
• Designed with an exposed pneumatic actuator layout that simplifies field maintenance.
• Robust cast bronze construction provides long-lasting service life.
• Integrated brass linear trim yields stable mixing performance.
• Tight close-off capabilities minimize leakage in demand-heavy environments.

Specifications

• Valve Size: 1-1/4 inch
• Piping Configuration: 3-way mixing
• Connection Type: NPT threaded
• Flow Capacity: 18.5 Cv
• Actuator Type: V-3000 pneumatic actuator with positioner
• Nominal Spring Range: 9 to 13 psig
• Body Material: Cast bronze
• Trim Material: Brass linear trim
• Maximum Operating Pressure: 15 psi WSP (saturated steam), 125 psi WOG

Applications

• Designed for commercial building automation and HVAC systems.
• Ideally suited for modulating control of hot water, chilled water, and glycol solutions.
• Appropriate for low-pressure saturated steam applications up to 15 psi.
• Commonly utilized in industrial mixing applications requiring precise temperature or flow regulation.