$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
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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 .
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.
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