10 in stock
10 in stock
10 in stock
10 in stock
10 in stock
This is the Pfeiffer Part# 320485, a 42 mm x 2.5 mm O-ring made from high-quality Viton rubber . It is a replacement seal used on many Pfeiffer DUO series vacuum pumps including DUO1.6, DUO3, DUO6, and DUO11 models . This part is commonly found in major overhaul kits, seal kits, and maintenance kits .
This Viton O-Ring (Part #320519) is a critical sealing component for your Pfeiffer DUO vacuum pump . It measures 48 mm (inner diameter) x 2.5 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 designed for the Pfeiffer DUO 6, DUO 6M, DUO 11, and DUO 11M 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 (Part # PSK010) and the Maintenance Kit (Part # PRK010) for these pumps .
10 in stock
This Viton O-ring (Part# PL23970129) measures 65 mm inside diameter with a 5 mm cross-section. Made from Viton (FKM) , it offers excellent resistance to high heat, chemicals, oils, and fuels. It is commonly used in repair kits for Busch, Leybold, and Pfeiffer vacuum pumps and is ideal for creating tight, reliable seals in harsh environments .
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