One/ Three Piece Ball Valves have encapsulating ball seats which are uniformly forced to form tight seals against ball and body cavity and virtually allow no dead volume and it has an integral ball-steam that is machined form one single piece and suited to encapsulated ball seals. The Ball Valves have maximum orifice to minimize the pressure drop and have rugged body construction and floating ball is machined from base stock. The Ball Valves have panel mountings which are available as an option and has internally loaded steam with shoulder to prevent stern blow out. The Ball Valves have pressure rating ranging from 300 psig to 10000 psig and has low operating torque. The Ball Valves have size ranging from 1/8`` to 2`` NB and have end connection of NPT/ BSP/ SW/ BW/ and flanged. The One/ Three Piece Ball Valves are manufactured using quality grade stainless steel and brass and have contact parts made using stainless steel.