10 in stock
This 40 mm long spring (Part #490074) is a replacement part made specifically for the Pfeiffer DUO 125 vacuum pump . Inside your pump, this small but important spring provides the right tension to keep other components working together smoothly . If you are rebuilding your DUO 125 pump or fixing a performance issue, this is the correct spring
This spring (Part #490070) is a replacement part made specifically for the Pfeiffer DUO 125 vacuum pump . Inside your pump, this small but important spring provides the right tension to keep other components working together smoothly . If you are rebuilding your DUO 125 pump or fixing a performance issue, this is the correct spring
This spring (Part #490073) is a replacement part made specifically for the Pfeiffer DUO 125 vacuum pump . Inside your pump, this small but important spring provides the right tension to keep other components working together smoothly . If you are rebuilding your DUO 125 pump or fixing a performance issue, this is the correct spring for the job.
This Vane Spring (Part #490069) is a replacement part made for Pfeiffer DUO 120A and DUO 125 vacuum pumps . Unlike a regular spring, a vane spring has one specific job: it pushes the vane outward against the cylinder wall. This creates the seal needed to generate vacuum pressure. If you are rebuilding your pump, you will need eight of these springs for a full overhaul
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