Features a digital flows structure to accurately flows values, balancing water distribution across branches and solving uneven heating issues for consistent room temperatures while saving energy Equipped with double sided pressure tested ports and standard pressure gauge connectors for real time pipeline pressure checks, simplifying maintenance and troubleshooting without valves removal Rate for PN≤1.6MPa, rigorously tested for pressure and sealing to reliably withstand high pressure conditions in heating systems Available in multiple sizes (DN15, DN20, DN25) with standard internal thread connection, seamlessly fitting most home heating systems, floor heating manifolds, and central water systems without modifications Crafted from brass for resistance and extended durability, ideal for long term use in pipeline systems compared to ordinary valves, Manufacturer: TFAOYS