T-4054-2 Johnson Controls

Overview

The Johnson Controls VG7251ES+3801D is a 1/2-inch 2-way normally open globe valve assembly equipped with a V-3801 compact pneumatic actuator. It features a cast bronze body with brass trim, engineered to provide precise flow control in HVAC systems while fitting into tight spaces such as baseboard radiators.

Features

• Compact design well-suited for confined installations
• Sturdy die-cast aluminum actuator housing with an enclosed spring
• Molded synthetic rubber diaphragm for a constant effective area
• High-reliability packing design ensuring long service life and tight shutoff

Specifications

• Valve Size: 1/2 inch NPT Union Globe
• Flow Capacity: 1.8 Cv
• Flow Characteristic: Equal Percentage
• Actuator Spring Range: 4-8 psi
• Maximum Close-off Pressure: 186 psig
• Fluid Temperature Range: 35 degrees F to 248 degrees F (2 degrees C to 120 degrees C)

Applications

• Designed for regulating fluid flow in commercial HVAC building automation systems
• Suitable for hot water, chilled water, glycol solutions, and low-pressure saturated steam up to 15 psig
• Ideal for baseboard radiators and convector heating units