BDS Engineering Works manufactures Single Piece Reduced and Full Bore Ball Valves [Flanked End] .BDS Engineering Works is an ISO 9001:2000 Accredited Company. The Company manufactures wide spectrum of Industrial Valve for the needs of the Oil & Gas, Power, Water Treatment, Chemical Process, Fertilizer and Pharmaceutical Industries worldwide. The Single Piece Reduced and Full Bore Ball Valves [Flanked End] are used as an on/off isolation valve for a very wide range of temperature and pressure.