VG7443LT+72CHGA Johnson Controls Valve / Actuator

Overview

The Johnson Controls VG7443LT+72CHGA is an electric control globe valve and actuator assembly designed to regulate the flow of hot water, chilled water, 50/50 glycol solutions, or steam within HVAC systems. This assembly features a 3/4-inch cast bronze body with durable stainless steel trim and a spring-return electric actuator, providing reliable performance and a tight shutoff.

Features

• Push-down-to-open (Normally Closed) operation with spring-return stem up
• 61 lb force provides a tight, dependable closeoff
• Rugged cast bronze valve body paired with stainless steel trim for enhanced durability
• Long-life, spring-loaded PTFE and elastomer V-ring packing that can be replaced
• Field-selectable control options supporting 0(2)-10 VDC proportional, 0(4)-20 mA, two-position, or floating control signals
• Built-in manual opener for ease of installation and service

Specifications

• Valve Size: 3/4 inch (0.75″)
• Flow Capacity: 7.3 Cv
• Connection Type: NPT threaded end connections
• Pressure Rating: Meets ANSI B16.15 Class 250 requirements; static pressure up to 400 psig for low-temperature water applications
• Fluid Temperature Range: 35 to 250°F (2 to 121°C) for water, up to 15 psig saturated steam at 250°F
• Nominal Supply Voltage: 24 VAC/VDC

Applications

• Regulating flow in hot water systems for commercial and institutional buildings
• Controlling chilled water in central cooling loops and air handling equipment
• Managing 50/50 water-glycol mixtures in industrial process or perimeter heating systems
• Modulating low-pressure saturated steam up to 15 psig in terminal heating units