This valve is a 2-way, 1 1/4" size with a Cv of 18.5 and an enclosed design. It operates within a pressure range of 9-13 pounds and is manufactured by Johnson Controls. The VG7251PT+3003E model is ideal for use in HVAC systems and is designed to provide reliable and efficient performance. With its durable construction and precise control capabilities, this valve is an excellent choice for HVAC service technicians looking for a high-quality product that will meet their needs.