Description
A gasket is a simple but important part. It sits between two surfaces and creates a tight seal. This seal keeps the vacuum inside the pump where it belongs. It also stops oil from leaking out.
This particular gasket is used on many popular Pfeiffer models. It fits the DUO 1.6, DUO 3, and UNO 6 pumps . It also works with larger models like the DUO 6, DUO 6M, DUO 11, and DUO 11M . If you are working on any of these pumps, this is the right gasket for the job.
Using a gasket matters. Cheap or incorrect gaskets may not fit right. They can cause leaks or fail over time. This one is made to the right specifications. It fits correctly and seals tightly.
If you are already opening up your pump for service, replacing this gasket is a smart move. It is a small part that helps keep your pump running smoothly for years.

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