VG2431VN Johnson Controls Valve

Overview

The Johnson Controls VG2431VN is a 4-inch, 2-way cast iron flanged globe valve designed to regulate the flow of fluids in HVAC systems. This model is sold less actuator, allowing for flexible pairing with pneumatic or electric actuators depending on the specific application. It features a push-down-to-open action and is engineered to deliver reliable performance, energy conservation, and precise climate control in large commercial premises.

Features

• Supplied as a valve body only to enable custom field or factory actuation configuration.
• Constructed with a durable cast iron body featuring a black lacquer finish.
• Utilizes high-quality brass plug and 316 stainless steel stem materials for longevity.
• Offers tight close-off with a low leakage rate of 0.1% of maximum flow.
• Features standard ANSI Class 125 flanged connections for secure installation.

Specifications

• Valve Size: 4 inches
• Flow Coefficient: 150 Cv
• Body Pattern: Two-way globe
• Valve Action: Push-down-to-open (Normally Closed)
• Maximum Allowable Pressure: 175 psi for water, 35 psi for saturated steam
• Operating Temperature Range: 35 to 281 degrees Fahrenheit
• Flow Characteristic: Modified linear
• Rangeability: 9.3:1

Applications

• Designed for regulating water, water-glycol solutions up to 50%, and low-pressure steam.
• Suited for large commercial and industrial HVAC systems requiring automated fluid control.
• Used in hydronic heating, cooling systems, and building automation processes.