This is the Pfeiffer Part# PMK027 Major Overhaul Kit for the DUO 250A vacuum pump. This complete kit includes everything you need for a full pump rebuild: vanes, springs, seals, O-rings, valves, coupling, gaskets, sight glass, and more. Following Pfeiffer’s recommended 4-year maintenance schedule, this kit restores your pump to like-new condition.
This is the Pfeiffer Part# PSK027 Seal Kit for the DUO 250A vacuum pump. This comprehensive kit includes O-rings, shaft seals, gaskets, and valve seats. Designed specifically for the DUO 250A, this kit provides everything you need to restore the sealing integrity of your pump during routine maintenance.
For complete kit content details see bill of materials below
This is the Pfeiffer Part# PVK025 Vane Kit for DUO 250A and DUO 255M (Index C) vacuum pumps . This kit includes four vanes and four springs . It is also compatible with the DUO 120A pump . 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 .
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