Description
This steel sleeve is used in larger Pfeiffer pump models. It fits the DUO 250A, DUO 255M (Index C), and UNO 250A pumps . These are powerful industrial pumps used in demanding applications.
You will often find this sleeve included in major overhaul kits. For example, it is part of the PMK026 Overhaul Kit for the UNO 250A pump . It is also included in the PSK027 Seal Kit for the DUO 250A pump . That means it is a standard part that gets replaced during a full pump rebuild, typically every 2 to 4 years .
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