The Belimo Q7ARC7 is a genuine 3-way characterized control ball valve, specifically designed for precise flow regulation in heating, ventilation, and air conditioning (HVAC) systems. This high-quality valve features a DN 20 nominal diameter and Rp 3/4" internal thread connections, ensuring compatibility with standard piping. Rated for a nominal pressure of PN 40, it is constructed from durable brass for the body, with a chrome-plated brass ball and a stainless steel stem, providing excellent resistance to corrosion and wear. The PTFE seats ensure a tight leakage rate (A), while its Kvs value of 6.3 m³/h allows for effective flow control of water and water-antifreeze mixtures within a temperature range of -10 to 120°C.