10 in stock
This 54 mm long spring (Part #490077) is a replacement part made for two popular Pfeiffer vacuum pumps: the DUO 250A and the DUO 255M (Index C) . Inside your pump, this spring stores and releases mechanical energy. That is a fancy way of saying it pushes and pulls other parts so everything works the way it should. If you are rebuilding your pump or fixing a performance issue, this is the correct spring
This spring (Part #490071) is a replacement part made for Pfeiffer vacuum pumps. Despite the name “DUO 125” in the title, this specific spring is designed to fit the Pfeiffer DUO 255M (Index C) model . Springs are small but important parts inside your pump. They provide the right tension and force to keep other components working together smoothly. If you are rebuilding your DUO 255M pump or fixing a performance issue, this is the correct spring
This spring (Part #490076) is a replacement part made for Pfeiffer DUO 255M (Index C) and DUO 250A vacuum pumps . Every spring has a simple but important job. It stores and releases mechanical energy inside your pump . Without the right spring, other parts cannot move the way they should. If you are rebuilding your pump or fixing a performance issue, this is the correct spring .
10 in stock
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