Description
This O-ring is made from Viton. Viton is a special type of rubber that handles heat very well. It also resists oils and chemicals much better than standard rubber . This makes it perfect for the tough conditions inside a vacuum pump.
You will find this O-ring used in many Pfeiffer pumps. It fits the DUO 1.6, DUO 3, and UNO 6 models . It is also used in larger pumps like the DUO 6, DUO 6M, DUO 11, DUO 11M, and DUO 11MC .
This O-ring is an important part of the PSK014 seal kit for DUO 11 pumps . That means it is a standard part that gets replaced during a full seal replacement. If you are already opening up your pump for service, replacing this O-ring is a smart move.
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