10 in stock
This Viton O-Ring (Part #PL23970419) is a critical sealing component for your vacuum pump. It measures 125 mm (inner diameter) x 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 compatible with Pfeiffer and Leybold pump brands . It fits the Pfeiffer DUO 120A, DUO 125, DUO 250A, DUO 255M (Index C), UNO 250A and Leybold Ruvac WAU2000, WSU2000, WA2001, WAU2001, WS2001, WSU2001 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 for the DUO 120A (PSK024) and the Overhaul Kit for the DUO 125 (PMK025) .
10 in stock
10 in stock
10 in stock
10 in stock
10 in stock
10 in stock
10 in stock
10 in stock
This Viton O-Ring (Part #23970504) is a critical sealing component for your Pfeiffer vacuum pump . It measures 55 mm (inner diameter) x 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 compatible with Pfeiffer, Busch, and Leybold pump brands . It fits the Pfeiffer DUO 250A and UNO 250A pump models, as well as Busch models WA501, WAU501, WS501, and WSU501 . 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 for the DUO 250A (PSK027) .
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
