Description
This is a plate valve assembly designed for Pfeiffer DUO and UNO series vacuum pumps. It is an internal component that helps control gas flow within the pump, ensuring smooth and efficient operation during the pumping cycle This part fits many popular Pfeiffer pump models. It is used in the DUO 1.6, DUO 2.5, DUO 2.5C, DUO 3, and UNO 6 pumps . It also fits larger models like the DUO 6, DUO 6M, DUO 11, DUO 11M, and DUO 11MC .
it comes in the PMK010 overhaul kit for DUO 6 pumps and the PMK010M kit for DUO 6M pumps . That means it is a standard part that gets replaced during a full pump rebuild.
If you are already opening up your pump for service, replacing this plate valve assembly is a smart choice. It is a small part that plays a big role in keeping your pump running reliably.

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