10 in stock
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 #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 .
This Compression Valve (Part #580052) is a replacement part made for three popular Pfeiffer DUO series vacuum pumps. It fits the DUO 120A, DUO 125, and DUO 250A models . A compression valve helps control gas flow and pressure inside your pump. If you are rebuilding your pump, you will need one of these valves for a complete overhaul .
This Stamp Valve (Part #580054) is a replacement part made for several popular Pfeiffer DUO series vacuum pumps. It fits the DUO 120A, DUO 250A, and DUO 255M (Index C) models . A stamp valve is a critical component that helps control the flow of gas through your pump. If you are rebuilding your pump, you will need either one or two of these valves, depending on your specific model .
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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