$86.40
10 in stock
Seal, Shaft, Single Lip, Pfeiffer, DUO, UNO, Part# 310152 - vacstellar
Seal, Shaft, Single Lip, Pfeiffer, DUO, UNO, Part# 310152 - vacstellar
This seal, part number 310152, is made from Viton. Viton is a special rubber that handles high temperatures well. It also resists chemicals and oils better than standard rubber. This makes it a great choice for tough industrial applications .
This is a single lip seal. It is designed to keep the oil inside the pump where it belongs. If you see oil leaking from the front of your pump near the motor, this part is often the reason. Replacing it stops the leak and keeps your pump running smoothly.
This shaft seal is used on larger Pfeiffer pump models. It fits the DUO 250A, DUO 255M (Index C), and UNO 250A pumps . These are powerful industrial pumps used in demanding applications like coating, metallurgy, and vacuum furnaces.
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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
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
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