10 in stock
This Viton O-Ring (Part #02124025) is a critical sealing component for your Pfeiffer vacuum pump. It measures 28 mm (inner diameter) x 5 mm (cross section) . Made from Viton, a high-performance synthetic rubber, this O-ring creates a tight, reliable seal. It prevents leaks and keeps your vacuum pressure strong.
This O-ring is compatible with Pfeiffer DUO and UNO pump families . It fits the Pfeiffer DUO 120A, DUO 125, DUO 255M (Index C), DUO 10, DUO 10C, DUO 20, DUO 20C, and UNO 30M pump models . If you are rebuilding your pump, this O-ring is a must-have part. In fact, it is included as a standard component in the Seal Kit for the DUO 120A (PSK024) , the Seal Kit for the DUO 125 (PSK025) , and the Seal Kit for the DUO 255M (PSK028) .
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