The Oventrop Cocon QFC Flange PN 25 (Part Number 1146655) is a high-quality balancing valve designed for precise flow measurement, regulation, and shut-off in heating and cooling systems. Constructed from durable cast iron (EN-GJL-250 according to EN 1561), this valve features a nominal diameter of DN 150 and a nominal pressure rating of PN 25. It includes a measuring device with two self-sealing measuring points, a pre-setting function with an optical position indicator, and a shut-off device with its own position indicator. All functions can be operated with a single tool, and functional parts are accessible from the top for maintenance without draining the system. Connections conform to EN 1092-2, PN 25. Suitable for operating temperatures from -20 °C to +120 °C, with a maximum differential pressure of 16 bar.