This Johnson Controls product is a 1.25 inch NPT 2-way valve with an 18.5 Cv capacity and an enclosed design. It is designed to operate within a pressure range of 4-8 pounds and is suitable for use in various applications, including HVAC systems and industrial processes. The valve features a compact design that allows for easy installation in tight spaces, and it is constructed from high-quality materials to ensure reliable performance over time. With its precise control capabilities, this valve provides accurate regulation of fluid flow, making it an ideal choice for a wide range of applications.