$4.55
This Viton O-Ring (Part #320180) is a critical sealing component for your Pfeiffer DUO vacuum pump . It measures 25 mm (inner diameter) x 3.0 mm (cross section) . Made from Viton, a high-performance synthetic rubber, this O-ring creates a tight, reliable seal. It prevents leaks and keeps your vacuum pressure strong.
This O-ring is designed for the Pfeiffer DUO 5, DUO 5C, DUO 10, and DUO 10C pump models . If you are rebuilding your pump, this O-ring is a must-have part. In fact, it is included as a standard component in the Major Overhaul Kit for the DUO 5 (Part # PKE32008T) , where exactly one of these O-rings is used .

O-ring, 25 x 3.0 mm - Viton, Part# 320180

O-ring, 25 x 3.0 mm - Viton, Part# 320180
This is a Viton O-ring. Its part number is 320180 . An O-ring is a simple loop of elastic material. Its shape is a perfect circle.
You place this O-ring into a groove between two metal parts. When you tighten the parts together, the O-ring gets squished. It fills the tiny gap completely. This creates an airtight, leak-proof seal . Under pressure, the elastomer material behaves like an incompressible fluid, which actually reinforces the sealing function . This O-ring measures 25 mm on the inside and has a thickness of 3.0 mm .
This O-ring is made specifically for these Pfeiffer DUO pump models :
Pfeiffer DUO 5
Pfeiffer DUO 5C
Pfeiffer DUO 10
Pfeiffer DUO 10C
If you own any of these pumps, this is the right O-ring for you. It is also included as a standard component in the Major Overhaul Kit for the DUO 5 (Part # PKE32008T) , which contains one of these O-rings .
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10 in stock
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10 in stock
10 in stock
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10 in stock
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