Patent ID: 8475352

Claim:
A disposable separator bowl liner assembly for a centrifugal separator having a solids discharge centrifugal separator bowl comprised of a cylindrical upper bowl portion and a conical lower bowl portion, the assembly comprising: a disposable bowl liner conforming to an inner wall of the solids discharge centrifugal separator bowl, the bowl liner comprising a cylindrical upper liner portion and a conical lower liner portion, the separator bowl comprising an inlet port at a bottom end and an outlet port at a top end, the bowl liner extending from the inlet port to the outlet port; and a piston within the bowl liner, the piston having an upper portion that conforms to the cylindrical upper portion of the bowl liner and a lower portion conforming to the conical lower portion of the bowl liner, the piston further having a fluid pathway between the bowl liner upper and lower portions, the piston movably disposed against an inner surface of the bowl liner.