This Viton O-Ring (Part #320175) is a versatile sealing component for your small Pfeiffer DUO vacuum pump. It measures 22 mm (inner diameter) x 1.5 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 1.6, DUO 2.5, DUO 2.5C, DUO 3, DUO 5, DUO 5C, and DUO 6 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 Minor Kit for the DUO 2.5 (Part # 194324), where two of these O-rings are used .
10 in stock
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 #320179) is a critical sealing component for your Pfeiffer DUO vacuum pump . It measures 22 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 family of pump models . 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 #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 .
10 in stock
10 in stock
This Viton O-Ring (Part #02124025) is a critical sealing component for your Pfeiffer vacuum pump. It measures 28 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 DUO and UNO pump families . It fits the Pfeiffer DUO 120A, DUO 125, DUO 255M (Index C), DUO 10, DUO 10C, DUO 20, DUO 20C, and UNO 30M 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) , the Seal Kit for the DUO 125 (PSK025) , and the Seal Kit for the DUO 255M (PSK028) .
This Viton O-Ring (Part #4070488) is a critical sealing component for your Pfeiffer DUO 120A vacuum pump . It measures 28 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 designed specifically for the Pfeiffer DUO 120A pump model . 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) and the Major Overhaul Kit (Part # PMK024) for the DUO 120A, where exactly one of these O-rings is used .
This Viton O-Ring (Part #320524) is a critical sealing component for your Pfeiffer DUO vacuum pump . It measures 32 mm x 2.5 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, DUO 125, and DUO 255M (Index C) 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
10 in stock
10 in stock
10 in stock
10 in stock
This Viton O-Ring (Part #320529) is a critical sealing component for your Pfeiffer DUO 125 vacuum pump . It measures 410 mm x 3 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 125 pump, this O-ring is a must-have part. In fact, it is included as a standard component in the Major Overhaul Kit (Part # PMK025) for this pump
This is the Pfeiffer Part# 320485, a 42 mm x 2.5 mm O-ring made from high-quality Viton rubber . It is a replacement seal used on many Pfeiffer DUO series vacuum pumps including DUO1.6, DUO3, DUO6, and DUO11 models . This part is commonly found in major overhaul kits, seal kits, and maintenance kits .
10 in stock
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