$106.40
10 in stock
Valve Exhaust, 120A, 250A, 255M, Pfeiffer, DUO, UNO, Part# 580053 - vacstellar
Valve Exhaust, 120A, 250A, 255M, Pfeiffer, DUO, UNO, Part# 580053 - vacstellar
This is a exhaust valve designed for Pfeiffer DUO 120A, DUO 250A, DUO 255M, and UNO 250A vacuum pumps. It controls the release of exhaust gases, ensuring proper pressure regulation and quiet, efficient operation .
This valve is used in several popular Pfeiffer models. It fits the DUO 120A, DUO 250A, DUO 255M (Index C), and UNO 250A pumps . These are industrial‑grade pumps that run in demanding environments.
You will often find this exhaust valve included in major overhaul kits. For example, it is part of the PMK024 Overhaul Kit for the DUO 120A pump and the PMK026 Overhaul Kit for the UNO 250A pump . That means it is a standard replacement part during a full pump rebuild.
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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 .
Out of stock
Out of stock
10 in stock
10 in stock
10 in stock
10 in stock
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.
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