10 in stock
This Viton O-Ring (Part #320533) is a critical sealing component for your large Pfeiffer DUO vacuum pump . It measures 47 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 specifically for the Pfeiffer DUO 255M (Index C) pump model . If you are rebuilding your large DUO pump, this O-ring is a must-have part.
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 .
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
10 in stock
10 in stock
This Viton O-Ring (Part #320535) is a critical sealing component for your large Pfeiffer DUO vacuum pump . It measures a massive 500 mm (inner diameter) x 3 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 specifically for the Pfeiffer DUO 255M (Index C) pump model . If you are rebuilding your large DUO pump, this O-ring is a must-have part. In fact, it is included as a standard component in the Seal Kit (Part # PSK028) and the Major Overhaul Kit (Part # PMK028) for this pump .
This is the Part# 23970121, a 55 mm x 3 mm O-ring made from high-quality Viton rubber . It is a direct replacement seal used on Ebara, Leybold, and Pfeiffer vacuum pumps including Ebara D40BCS, Ebara D65BCS, Leybold Trivac series, and Pfeiffer UNO30M models . You will also find this O-ring included in several major seal kits and repair kits
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
10 in stock
10 in stock
This Viton O-Ring (Part #320523) is a critical sealing component for your Pfeiffer DUO 120A vacuum pump . It measures 73 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. If you are rebuilding your DUO 120A pump, this O-ring is a must-have part. In fact, it is included as a standard component in the Seal Kit (Part # PSK024) and the Major Overhaul Kit (Part # PMK024) for this pump .
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
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.
Not a member? Create an account
Already got an account? Sign in here
