VG7842ET+3008E Johnson Controls Valve / Actuator

Overview

The Johnson Controls VG7842ET+3008E is a compact, 1/2-inch three-way mixing pneumatic globe valve assembly designed for precise fluid flow management inside HVAC systems. It features a durable cast bronze body with brass trim and handles media to maintain optimal climate control by enabling the proper mixing of hot and cold water or steam.

Features

• Compact, exposed yoke design
• Three-way mixing configuration with a linear flow characteristic
• Long-life replaceable ring packing for high reliability
• Tested for tight shut-off to ensure ANSI Class IV leakage standards
• Fitted with a pneumatic actuator featuring a spring return fail-safe operation

Specifications

• Valve Size: 1/2 inch
• Connection Type: NPT (FNPT)
• Body Material: Cast Bronze
• Trim Material: Brass
• Flow Coefficient (Cv): 1.8 Cv
• Nominal Spring Range: 9 to 13 psi
• Pressure Ratings: ANSI Class 250; maximum 15 psi WSP (steam) and 125 psi WOG (water)
• Operating Temperature Range: 35°F to 284°F (2°C to 140°C)

Applications

• Hydronic heating and cooling systems
• Commercial HVAC building automation setups
• Hot water, chilled water, and glycol solutions (up to 50%) control
• Low-pressure saturated steam applications up to 15 psig