This is the official Busch O-Ring made of Viton material, sized 222 mm x 5 mm (Part #486000651) . Viton (FKM) is a high-performance rubber compound known for excellent resistance to high temperatures, chemicals, oils, and solvents . This O-ring is used specifically on Busch Panda vacuum pump models WV250B, WV250C, WV500B, and WV500C . It ensures a reliable seal, preventing leaks and maintaining the integrity of your pump system .
This is the official Busch O-Ring made of Viton material, sized 83 mm x 4 mm (Part #486000683) . Viton (FKM) is a high-performance rubber compound known for excellent resistance to high temperatures, chemicals, oils, and solvents. This O-ring is used on Busch Panda vacuum pump models WV250B, WV250C, WV500B, and WV500C . It provides a secure and effective seal, ensuring the integrity of your pump system and preventing leaks.
This is the official Busch O-Ring made of Viton material, sized 24 mm x 3 mm (Part #PL23970115). It is a direct replacement sealing ring used in multiple vacuum pump brands. This O-ring fits Busch Panda WV250B, WV250C, WV500B, WV500C models, as well as Leybold Ruvac WA/WAU series pumps. It creates a tight seal between mating surfaces to prevent leaks.
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.
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