VG7881ET+3008E Johnson Controls Valve / Actuator

Overview

The Johnson Controls VG7881ET+3008E is a 1/2-inch 3-way mixing pneumatic globe valve assembly designed to regulate the flow of hot water, chilled water, glycol solutions, and steam in commercial HVAC systems. This assembly features a cast bronze body with a factory-mounted V-3000-8012 exposed pneumatic actuator, operating with a 9 to 13 psig spring range to provide reliable and accurate control.

Features

• Three-way mixing configuration for flexible flow routing.
• Exposed yoke pneumatic actuator (V-3000-8012) ensuring stable operation.
• Tight shut-off testing for optimal system efficiency and reduced leak rates.
• High-quality cast bronze construction equipped with robust brass trim.
• Standard union sweat end connections for simplified integration into existing piping.

Specifications

• Pipe Size: 0.5 inches (1/2″ NPT)
• Capacity: 1.8 Cv
• Flow Characteristic: Equal Percentage
• Actuator Type: Pneumatic (V-3000-8012 Exposed Spring)
• Control Range: 9 to 13 psig
• Maximum Static Pressure: 400 psi
• Fluid Temperature Range: 35 to 248 °F (up to 284°F depending on continuous limits)
• Saturated Steam Pressure: Up to 15 psig

Applications

• Used in commercial and industrial HVAC building automation systems.
• Ideal for regulating hot water and chilled water flow in hydronic heating and cooling loops.
• Suitable for mixing glycol solutions in low-temperature HVAC setups.
• Designed for low-pressure saturated steam zone control.