This Johnson Controls valve is a 3/4" pressure control valve with a Cv of 7.4. It operates on a 24V power supply and has two positions, normally open and fail-safe closed. The valve is designed to regulate the flow of fluids in various applications, providing precise control over pressure levels. With its compact size and reliable performance, this valve is suitable for use in HVAC systems, industrial processes, and other similar environments where accurate pressure control is required.