Premium Brass Construction: Formed from brass with 3.2Mm Thick Wall and anti rust coating, ensuring 60% high burst pressure resistance than standard valves for long lasting durability in water / systems Double Size Versatility: Includes both 4 inch (DN15 / 1 / 2) and 6 inch (DN20 / 3 / 4) sizes with General male / female threads, directly connecting to pipes without adapters for Easy installation 0 Leakage: sealing components and Accuracy Valves Cores completely block media Flows when closed, leaks in plumbing or pneumatic systems Ergonomic Red Handle: Features an extended anti slip red Levers with 270° smooth rotation for effortless 1 handed operate and clear open / close Position visibility Wide Application Compatibility: Ideal for House water pipes, heaters, solar systems, and floor heating with Double size option covering most pipeline control needs, Manufacturer: SXRQ