This GX Vane (Part #230064) is a replacement part made specifically for Pfeiffer DUO2.5 and DUO2.5C vacuum pumps . Vanes are the heart of a rotary vane pump. They slide in and out of the rotor, creating the seal that compresses gas and generates vacuum pressure. Made from durable high-strength GX material, this component is critical for maintaining the efficiency and reliability of your pump . If you are rebuilding your pump, you will need one of these vanes for a complete overhaul .
This PEEK Vane (Part #230063C) is a replacement part made specifically for Pfeiffer DUO2.5C and DUO11MC corrosive vacuum pumps . Unlike standard GX vanes, this vane is crafted from PEEK (polyetheretherketone) , a high-performance material that offers exceptional chemical resistance. This makes it the right choice for applications involving harsh chemicals or corrosive gases. If you are rebuilding your DUO2.5C pump, you will need four of these vanes for a complete major overhaul .
This Coupling Washer (Part# 420043) is a genuine OEM-quality replacement component made of CRS (Cold Rolled Steel), designed specifically for the Pfeiffer DUO 2.5 and DUO 2.5C dual-stage rotary vane vacuum pumps . It is a critical component of the coupling assembly, helping to ensure proper connection between the motor and the pump for efficient power transmission . This washer is included as a standard component in the Major Overhaul Kit for the DUO2.5C and in the Major Overhaul Kit for the DUO2.5
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