V-3766-1002 Johnson Controls Valve

Overview

The Johnson Controls V-3766-1002 is a 1/2-inch flare-connection pneumatically operated control valve engineered to accurately regulate the flow of hot and cold water in small HVAC terminal units. Configured as a Pressure-Dependent Two-Way Control valve in a Normally Open position, this valve closes on a rising pneumatic signal, providing dependable fail-safe open operation for commercial building systems.

Features

• Designed with a durable, precision-machined brass body and 1/2-inch flare connection for leak-free integration into piping systems.
• Employs a Push-Down-to-Close valve action providing a reliable fail-safe open configuration.
• Accurately regulates fluid flow in compact terminal spaces, helping maintain stable, defined temperature zones.
• Compatible with factory-installed or field-mounted V-3000 pneumatic actuators as well as VA-805x series electric actuators.

Specifications

• Valve Type: 2-Way Brass Pneumatic Flare Valve
• Connection Size: 1/2 in. Flare
• Action: Normally Open / Push-Down-to-Close
• Flow Coefficient: 1.7 Cv
• Nominal Spring Range: 3 to 6 psi
• Maximum Recommended Differential Pressure: 35 psi
• Actuator Port: 1/8 in. NPT barbed fitting compatible with 5/32 in. or 1/4 in. OD polytubing
• Valve Stem Diameter: 1/4 in.
• Valve Stroke: 5/16 in.

Applications

• Fan coil units hot and chilled water control
• Unit ventilator water valve applications
• Commercial building HVAC systems utilizing pneumatic or electric zoning controls
• Retrofit and direct replacement in existing pneumatically controlled terminal units
• Reheat coils and perimeter radiation systems