VG7251GT Johnson Controls Valve

Overview

The Johnson Controls VG7251GT is a 1/2-inch, 2-way normally open union globe valve engineered for precise flow control in commercial and light industrial HVAC hydronic systems. Featuring a cast bronze body with brass trim, it provides reliable modulating control for chilled water, hot water, and low-pressure steam applications. The union globe style allows for straightforward installation and simplified inline maintenance without disturbing adjacent piping.

Features

• Two-way, normally open configuration for fail-safe performance
• Cast bronze body construction for corrosion resistance and durability
• Brass trim components to ensure long-term operational reliability
• Equal percentage flow characteristic for precise modulating fluid control
• Union end connections for simplified installation, removal, and maintenance
• Standard threaded stem design with push-down-to-close action for compatibility with various actuators

Specifications

• Valve Size: 1/2 inch
• Flow Coefficient: 4.6 Cv
• Configuration: 2-Way Normally Open (NO)
• Connection Type: Union Globe NPT
• Body Material: Cast Bronze
• Trim Material: Brass
• Flow Characteristic: Equal Percentage
• Body Pressure Rating: 250 psi
• Saturated Steam Rating: Up to 38 psig
• Fluid Temperature Range: 35 to 284 degrees Fahrenheit

Applications

• Commercial and light industrial HVAC hydronic systems
• Chilled water, hot water, and condenser water circuits
• Low-pressure steam systems up to 35 psig
• Variable-flow modulating control loops requiring precise water or steam regulation