Ball valve with built directly into the sphere flow meter

Ball valve (1) with built directly into the sphere flow meter, the flanges (2, 3), wherein the ball (4) is provided with a calibrated hole (8), said hole has a constriction in the flow of the liquid (by the ball 4) and wherein, it comprises two pressure pickup (9) and (10), characterized in that the pressure pickup (9, 10) to the flanged end sleeves of the flanges (2, 3) are mounted.