BALL VALVE WITH CASING, PASSAGE, BALL COCK AND CONTROL SPINDLE

摘要

1. An adjustable ball valve with housing (1), flow channel (2), valve ball (3) and adjustment spindle (4) that grips by several interference-fitting units (5) into complementary interference-fitting recesses (6) of the valve ball (3), in which the interference-fitting units (5) are located in the neighbourhood of the outer edge of a plate (9) that is connected to the adjustment spindle (4) and is superimposed on a flat surface of the valve ball (3), characterized in that at least the valve ball (3) consists of engineering ceramic, that the diameter of the plate (9) is about half the diameter of the valve ball (3), and that at least two pegs are arranged as interference-fitting units (5) equidistantly spaced around the circumference of the plate (9).