| 摘要 |
A valve which is eccentrically adjustable, wherein the eccentric mating between a valve and valve seat is defined by a fixed eccentric and an adjustable eccentric. The fixed eccentric is provided by a drive shaft for the valve closure member being fixed eccentrically of a central axis of rotation of the valve closure member. The adjustable eccentric is provided by a rotatable eccentric bearing for receiving the drive shaft.
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