$9.52
10 in stock
O-Ring,Viton,65 X 5 MM Part# 23970129 - vacstellar
O-Ring,Viton,65 X 5 MM Part# 23970129 - vacstellar
This O-ring is made from Viton. Viton is a special rubber that handles heat very well. It can work in temperatures from -20°C up to 200°C . It also resists oils, fuels, and chemicals much better than standard rubber. Viton also has very low gas permeability, which makes it perfect for vacuum applications .
This particular O-ring is used in pumps from two major brands. It fits Pfeiffer DUO 125 pumps . It also fits Leybold Ruvac pumps like the WS151, WS251, WSU151, and WSU251 models . You will often find this O-ring included in major seal kits for these pumps.
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This Case Gasket (Part #300215) is made from high-quality cork. It sits between the main body parts of your Pfeiffer vacuum pump. Its job is simple but very important: it creates a tight seal. This seal stops air from leaking out and keeps dirt from getting in. A good gasket means your pump holds strong vacuum pressure. This specific gasket fits the Pfeiffer UNO 250A and DUO 250A models. If you notice oil sweating or leaking from the middle of your pump, this gasket may need to be replaced.
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 #23970129) is a versatile sealing component for many vacuum pumps. It measures 65 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 is used in many models including the Pfeiffer DUO 120A, DUO 125, DUO 250A, DUO 255M, and UNO 250A. 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 Kits for the DUO 120A (PSK024) and DUO 125 (PSK025)
10 in stock
10 in stock
10 in stock
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