Self-Cleaner Centrifuge sliding piston lip erosion

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MV Decater

We are having severe erosion on the sliding piston for our MOPX309 de-sludger. See photos attached.

Can anyone suggest possible remedies?

Thanks.

Steve

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    admin

    The Nylon Seal ring should be replaced on a PM schedule. This kind of wear typically occurs when there is a small leak between the Nylon Seal Ring and the Piston Sealing Lip. The extreme velocity with which the separated sludge escapes the bowl through this small opening quickly wears out the Seal Ring and the Lip on the piston. In the present condition, you should try and smoothen out the wear on the piston lip gently with a soap stone and replace the Nylon Seal Ring to see if it fixes the problem.