$5.74
This Viton O-Ring (Part #320181) is a sealing component for your vacuum pump. It measures 48.9 mm (inner diameter) x 2.62 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 compatible with Galileo, Pfeiffer, and Varian-Agilent pump brands . It fits the Galileo D Series (D18, D28), Pfeiffer DUO Series (DUO 5, DUO 5C, DUO 10, DUO 10C), and Varian DS Series (DS402, DS602) pump models . If you are rebuilding your pump or performing routine maintenance, this O-ring is a must-have part. In fact, it is included as a standard component in the Seal Kit for the Pfeiffer DUO 5 / DUO 5C (Part # PKE30005T)
O-ring, 48.9x2.62mm - Viton, Part# 320181
O-ring, 48.9x2.62mm - Viton, Part# 320181
This is a Viton O-ring. Its part number is 320181 . An O-ring is a simple loop of elastic material. Its shape is a perfect circle. When you look at a cross-section, it looks like the letter “O”. That is where the name comes from.
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. This O-ring measures 48.9 mm on the inside and has a thickness of 2.62 mm .
This is a versatile O-ring that works with multiple brands and pump models. Here are the compatible pumps :
Galileo Pumps (D Series):
D18
D28
Pfeiffer Pumps (DUO Series):
DUO 5
DUO 5C
DUO 10
DUO 10C
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