VG7243ST+72CHGA Johnson Controls Valve / Actuator

Overview

The Johnson Controls VG7243ST+72CHGA is a 2-way, normally open electric globe valve and actuator assembly designed to regulate the flow of hot water, chilled water, glycol solutions, and steam in heating, ventilating, and air conditioning (HVAC) systems. This factory-assembled unit combines a robust cast bronze valve body with a high-performance electric actuator to ensure precise proportional control and reliable operation.

Features

• Designed with a 2-way normally open configuration (push-down-to-close operation)
• Equipped with a premium stainless steel trim for enhanced durability and resistance to wear
• Features a long-life replaceable ring packing that provides excellent reliability and an extended service life
• Completely factory-assembled and pre-tested to ensure a tight shutoff
• Available with field-selectable proportional control (0-10 VDC) or floating/two-position control signals

Specifications

• Valve Size: 2 inches
• Connection Type: NPT (National Pipe Thread)
• Flow Capacity: 46.2 Cv
• Body Material: Cast Bronze
• Trim Material: Stainless Steel
• Maximum Closeoff Pressure: 28 psig
• Actuator Type: Spring Return Electric Actuator
• Supply Voltage: 24 VAC
• Fluid Temperature Range: 35°F to 338°F (2°C to 170°C) for water; up to 100 psig saturated steam at 338°F

Applications

• Used widely in commercial and industrial HVAC systems to regulate fluid flow based on controller demands
• Ideal for controlling hot water and chilled water circulation in air handling units and fan coil systems
• Suitable for steam distribution systems up to 100 psig saturated steam pressures
• Applicable in systems utilizing glycol solutions for freeze protection or specialized cooling needs