This Vane (Part #230095) is a replacement part made specifically for the Pfeiffer DUO 250A vacuum pump . It is designed for use in the second stage of this two-stage pump . This vane helps maintain proper contact and sealing inside your pump, which is essential for creating strong vacuum pressure . If you are rebuilding your DUO 250A, you will need two of these vanes for a complete overhaul .
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