This 1/2" two-way normally closed stainless steel valve from Johnson Controls has a flow capacity of 4.6 Cv and operates at a pressure range of 9-13 pounds per square inch. The VG7443GT+3003E model is designed to control the flow of various fluids in HVAC systems, making it an essential component for HVAC service technicians. Its durable construction ensures reliable performance and longevity, while its compact size allows for easy installation in tight spaces. With its high flow capacity and precise control, this valve is an excellent choice for maintaining optimal system performance.