This Viton O-Ring (Part #320179) is a critical sealing component for your Pfeiffer DUO vacuum pump . It measures 22 mm (inner diameter) x 3.0 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 designed for the Pfeiffer DUO family of pump models . If you are rebuilding your pump or performing routine maintenance, this O-ring is a must-have part.
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