Description
This sealing ring fits many popular Pfeiffer pump models. It works with the DUO 1.6, DUO 3, and UNO 6 pumps . It is also used in larger models like the DUO 6, DUO 6M, DUO 11, DUO 11M, and DUO 11MC .
You will often find this sealing ring included in seal kits. For example, it comes in the PSK010 seal kit for DUO 6 pumps and the PSK014 seal kit for DUO 11 pumps . That means it is a standard part that gets replaced during routine maintenance.
If you are already opening up your pump for service, replacing old sealing rings is a smart move. Using a part like this one ensures a perfect fit and a reliable seal.

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