Ball valve has sealing component with channel through it and seals in shape of surface of sphere which contact second seals mounted in valve housing and drive shaft mounted in centering opening which is coaxial with channel

摘要

The ball valve has a sealing component (16) with a channel (54) through it. Seals (62, 64) in the shape of the surface of a sphere contact second seals (66, 68) mounted in the valve housing (12). A drive shaft (74) mounted in a centering opening (80) which is coaxial with the channel (54) and connected to a housing component (82)