VG7443ST+72CHGA Johnson Controls Valve / Actuator

Overview

The Johnson Controls VG7443ST+72CHGA is a heavy-duty, 2-way normally closed electric globe valve assembly designed to regulate the flow of water and steam in commercial HVAC systems. It features a robust cast bronze body with high-grade stainless steel trim for long-lasting durability and resistance to corrosion in demanding hydronic applications.

Features

• Heavy-duty cast bronze body with durable stainless steel trim
• Proportional or floating control signals that are field-selectable
• Integrated spring return fail-safe mechanism to ensure the valve closes upon power loss
• High close-off pressure rating for stable operation
• Long life replaceable ring packing providing industry-leading reliability

Specifications

• Valve Size: 2 inches
• Configuration: 2-Way, Normally Closed (Push-Down-to-Open)
• Flow Coefficient: 46.2 Cv with an equal percentage flow curve
• Connection Type: NPT threaded
• Voltage: 24 Vac
• Actuator Type: VA7820-HGA-2 spring return electric actuator
• Control Signal: 0(2)-10 VDC or 0(4)-20 mA (field selectable)
• Fluid Temperature Limits: Rated for water up to 338°F (170°C) and saturated steam up to 100 psig at 338°F

Applications

• Precision modulation and control of hot water, chilled water, and glycol solutions in commercial HVAC infrastructure
• Modulating steam flow control up to 100 psig in high-temperature applications
• Regulating fluid flow within air handling units and heat exchangers
• Integration into building automation systems like Metasys via standard analog signals