This particular HVAC valve is designed with a 1/2 inch unangled normally open configuration, with a flow capacity of 2.5cv. It operates within a pressure range of 4-8 pounds, making it suitable for a variety of HVAC applications. The valve is manufactured by Johnson Controls, a trusted name in the industry known for producing high-quality products. Its precise design and construction ensure reliable performance and efficient operation, making it an excellent choice for HVAC service technicians looking for dependable valves to use in their installations.