V-3966-1001 Johnson Controls Valve Actuator Combination

Overview

The Johnson Controls V-3966-1001 is a 1/2-inch flare-connection, two-way pneumatic valve engineered to accurately regulate the flow of hot or cold water in small HVAC terminal units. Featuring a push-down-to-open and normally closed design, this valve provides a fail-safe default position that shuts automatically upon a loss of control air pressure to protect downstream equipment.

Features

• Push-down-to-open, normally closed operation that ensures safe shutdown upon signal loss
• Modulating plug that provides an equal percentage relationship between valve travel and flow
• Secure 1/2-inch flare connection for leak-resistant installation in mechanical systems
• Non-adjustable ring pack packing for proven operational reliability and long life
• Molded composition disc bonded to the plug assembly ensuring a tight shutoff

Specifications

• Connection Size and Type: 1/2 inch Flare
• Valve Action: Two-Way, Push-Down-to-Open, Normally Closed
• Spring Range: 9 to 13 PSI
• Flow Coefficient: 1.7 Cv
• Maximum Allowable Pressure: 400 psig up to 150 degrees Fahrenheit
• Maximum Sizing Differential Pressure: 35 psi

Applications

• Regulating water flow in small HVAC terminal units including fan coils and reheat coils
• Perimeter radiation and hydronic heating or cooling circuit applications
• Commercial and industrial pneumatic control systems requiring a fail-safe closed position
• Chilled water coil control and heating coil isolation units