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.
This Viton O-Ring (Part #320521) is a critical sealing component for your Pfeiffer DUO vacuum pump . It measures 75.56 mm x 5.33 mm. 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 120A and DUO 125 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 # PSK024) for the DUO 120A .
10 in stock
This is the Pfeiffer Part# 4070949, a small 8 mm x 2 mm O-ring made from high-quality Viton rubber . It is a replacement seal for Pfeiffer DUO 5 and DUO 5C vacuum pumps. Use this part to fix small leaks and keep your pump running smoothly.
10 in stock
10 in stock
10 in stock
Keep your vacuum pump running smoothly with this high-quality Viton O-ring. Measuring 8 mm inside diameter (ID) x 2.0 mm width (CS) , this Part# 4070125 is a direct replacement for specific Pfeiffer and Leybold pumps. Made from durable Viton (FKM) , it resists heat, chemicals, and oil to prevent leaks.
10 in stock
10 in stock
10 in stock
This Viton O-Ring (Part #320522) is a critical sealing component for your Pfeiffer DUO vacuum pump . It measures 88 mm x 5 mm. 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 120A and DUO 125 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 # PSK024) for the DUO 120A .
10 in stock
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 .
Not a member? Create an account
Already got an account? Sign in here
