$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
This is the Pfeiffer Part# PVK025A Vane Kit for the UNO 250A vacuum pump . This kit includes two vanes and two springs . for optimal performance, this vane kit provides a reliable solution for routine maintenance (recommended every 4 years) and helps restore your pump’s original vacuum performance .
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
This Rotex 55 spider coupling (Part # 0512000116) is a elastomeric insert designed for KTR Rotex Size 55 jaw couplings . Made from high-strength T-PUR material with 92 Shore A hardness, this orange spider sits between the coupling hubs to transmit torque, dampen vibrations, and compensate for minor shaft misalignments . It is ideal for use with vacuum pumps driven by electric motors where reliable, low-maintenance power transmission is required.
10 in stock
This Dowty Seal (Part #38250019) is a replacement part made for Pfeiffer vacuum pumps. It measures exactly 12.7 mm inside, 18 mm outside, and is 1.5 mm thick. This seal works with both the DUO 250A and UNO 250A pump models. Its job is to create a tight, airtight seal that stops leaks and keeps your pump running at its best. If you are rebuilding your pump or fixing a small leak, this is the right part for the job.
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