10 in stock
This is the Pfeiffer Part# 4071536, a large 165 mm x 3 mm O-ring made from durable Viton rubber . It is a replacement seal for Pfeiffer DUO 5 and DUO 10 series vacuum pumps . Use this part to stop oil leaks and keep your pump running strong.
This is the vacstellar Part# 23970410, a 22 mm x 3 mm O-ring made from high-quality Viton rubber . It is a direct replacement seal used on many Leybold and Pfeiffer vacuum pumps including Trivac S4A, Sogevac SV series, and DUO series models . You will also find this O-ring included in several major repair and seal kits .
This Viton O-Ring (Part #320180) is a critical sealing component for your Pfeiffer DUO vacuum pump . It measures 25 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 5, DUO 5C, DUO 10, and DUO 10C 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 Major Overhaul Kit for the DUO 5 (Part # PKE32008T) , where exactly one of these O-rings is used .
This Viton O-Ring (Part #320181) is a sealing component for your vacuum pump. It measures 48.9 mm (inner diameter) x 2.62 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 Galileo, Pfeiffer, and Varian-Agilent pump brands . It fits the Galileo D Series (D18, D28), Pfeiffer DUO Series (DUO 5, DUO 5C, DUO 10, DUO 10C), and Varian DS Series (DS402, DS602) pump models . If you are rebuilding your pump or performing routine maintenance, this O-ring is a must-have part. In fact, it is included as a standard component in the Seal Kit for the Pfeiffer DUO 5 / DUO 5C (Part # PKE30005T)
10 in stock
This Viton O-Ring (Part #320182) is a versatile sealing component for your vacuum pump. It measures 75 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 compatible with Ebara, Pfeiffer, Busch, and Welch pump brands . It fits a wide range of models including the Pfeiffer DUO 5, DUO 5C, DUO 10, DUO 10C, Ebara WV250B, WV250C, WV500B, WV500C, and Welch CRVpro16, CRVpro24 . If you are rebuilding your pump or performing routine maintenance, this O-ring is a must-have part.
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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