An entrainment device for a centrifugal rotor, which is rotatable about a central rotational axis, having a number of entrainment members arranged in said space for entrainment of entering liquid in the rotation of the centrifugal rotor. The entrainment device comprises a first component, which surrounds the rotational axis and has at least one first projection, which has a radial extension, and a second component, which surrounds the rotational axis and has at least a second projection, which also has a radial extension. The second component is axially insertable in said central space to a position, in which said second projection is present adjacent to said first projection . When the entrainment devices are in place in the central space, a locking member is applicable in releasable engagement with said projection so that the second component is prevented from moving axially relative the first component.

 
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> High CTE reaction-bonded ceramic membrane supports

~ 00398