2 1/2 inch brass ball valve
2 1/2 inch brass ball valve means a ball valve with the nominal diameter of DN65. Common diameters of brass ball valves include 1/4 inch, 1/2 inch, 3/4 inch and1 inch, etc. Brass is mainly an alloy composed of copper and zinc. Brass ball valves are widely used for cutting off, distributing, and changing the…