1)Carbon steel, stainless steel and alloy flanges, are manufactured as per the standards of BS, ANSI, JIS, DIN, and UNI. 2) Flanges are the connectors used in process piping to connect pipe to tees, elbows, valves, pumps and whatever other equipment may be necessary. 3) Types: weld neck, slip on, blind, plate, thread, socket weld and other special shapes 4) Water , Oil, Gas, Industrial Using