This Distance Ring (Part #440025) is a component for your Pfeiffer DUO 65M vacuum pump . Its job is to maintain the correct distance between two parts inside the pump. It also helps keep everything perfectly aligned. The right spacing and alignment are critical for smooth, efficient operation. This distance ring is designed specifically for the Pfeiffer DUO 65M pump model . If you are rebuilding your pump or replacing worn internal parts, you may need this ring.
10 in stock
10 in stock
10 in stock
This spring (Part #3838132SV) is a replacement part used across a wide range of Pfeiffer UNO and DUO series vacuum pumps. It is a critical component found in valve and flap mechanisms, including models like UNO1.5A, DUO1.5A, UNO35, DUO35, DUO65, DUO11, and DUO6 . If you are rebuilding your pump or restoring its performance, this spring is an essential part of the job. It is also known by the cross-reference number B0042 .
10 in stock
10 in stock
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