Spring, Vane, Pfeiffer, DUO, DUO120A, DUO 125, Part# 490069

This vanes and springs serve distinct functions within a vacuum pump like the Pfeiffer DUO series, and both are crucial for the pump's performance and longevity. Proper maintenance, inspection, and timely replacement of these components are essential to maintain the efficiency and reliability of the vacuum pump. spring and a vane, typically found in a vacuum pump like Pfeiffer DUO series, such as DUO 120A and DUO 125. Springs and vanes serve different functions in a vacuum pump. Let me provide specific details for each component. More information about these vane can be found by downloading the pdf catalogue and documents below. vane has Part# 490069