Valvesonly are leading Bronze Valve Manufacturers in USA. Bronze valves are types of valves constructed primarily using bronze, an alloy primarily composed of copper and tin, though other metals like zinc, lead, and aluminum might also be included in varying proportions. Description: 1.Material: Bronze (Alloy932, Alloy954). 2.Class- 150-2500 3.Ends- Flanged, wafer, lug, threaded, 4.Size-1/2’’- 4’’ 5.Operations- Pneumatic actuated, Electric Actuated, Gear Operated, Lever Operated, Handwheel Operated