10 in stock
This Cheese Head Screw (Part #400056) is a hardware component for your Pfeiffer DUO vacuum pump . It is used to secure various parts of the pump together. A good quality screw ensures a tight, stable fit. This helps your pump run smoothly and safely. This screw is designed specifically for the Pfeiffer DUO 10 and DUO 10C pump models . If you are missing a screw or replacing a damaged one, this is the correct part.
10 in stock
10 in stock
This is the Pfeiffer Part# 4071536, a large 165 mm x 3 mm O-ring made from durable Viton rubber . It is a replacement seal for Pfeiffer DUO 5 and DUO 10 series vacuum pumps . Use this part to stop oil leaks and keep your pump running strong.
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 #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 .
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
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.
10 in stock
This is the Pfeiffer Part# 192122 Plate Valve Nib. It is a replacement part made from durable Viton material . This valve nib is used on many Pfeiffer UNO and DUO pump models including UNO1.5A, DUO1.5A, DUO5, DUO5C, DUO6, DUO6M, DUO10, DUO10C, DUO11, DUO11M, and DUO11MC . You will also find this part included inside minor repair kits and overhaul kits for these pumps . Keep your pump’s valve system working right with this direct-fit component.
10 in stock
This Pressure Spring (Part #490037) is a replacement part made for Pfeiffer DUO series vacuum pumps, including the SV1200 model . A pressure spring is designed to maintain precise pressure levels inside your pump . It is a critical component that helps keep your pump running reliably. If you are rebuilding your DUO pump, you may need four of these springs for a full overhaul .
10 in stock
10 in stock
10 in stock
10 in stock
10 in stock
This Socket Head Cap Screw (Part #400057) is a hardware component for your Pfeiffer DUO vacuum pump . It is used to secure various parts of the pump together. A good quality screw ensures a tight, stable fit. This helps your pump run smoothly and safely. This screw is designed specifically for the Pfeiffer DUO 10 and DUO 10C pump models . If you are missing a screw or replacing a damaged one, this is the correct part.
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