$3.85
This Viton O-Ring (Part #320519) is a critical sealing component for your Pfeiffer DUO vacuum pump . It measures 48 mm (inner diameter) x 2.5 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 6, DUO 6M, DUO 11, and DUO 11M 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 Seal Kit (Part # PSK010) and the Maintenance Kit (Part # PRK010) for these pumps .
O-ring, 48 x 2.5 mm - Viton, Part# 320519
O-ring, 48 x 2.5 mm - Viton, Part# 320519
This is a Viton O-ring. Its part number is 320519. 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 mm on the inside and has a thickness of 2.5 mm .
This O-ring is made specifically for Pfeiffer DUO pump models :
Pfeiffer DUO 6
Pfeiffer DUO 6M
Pfeiffer DUO 11
Pfeiffer DUO 11M
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10 in stock
10 in stock
10 in stock
This GX Vane (Part #230091) is a replacement part made specifically for Pfeiffer DUO11 and DUO11M vacuum pumps . Made from durable high-strength GX material, this vane helps maintain a tight seal inside your pump, which is essential for creating strong vacuum pressure . If you are rebuilding your DUO11 or DUO11M pump, you will need two of these vanes for a complete overhaul
10 in stock
10 in stock
11 in stock
10 in stock
10 in stock
11 in stock
This is the Pfeiffer Part# 192122 Plate Valve Nib. It is a replacement part made from durable Viton material . This valve nib is used on many Pfeiffer UNO and DUO pump models including UNO1.5A, DUO1.5A, DUO5, DUO5C, DUO6, DUO6M, DUO10, DUO10C, DUO11, DUO11M, and DUO11MC . You will also find this part included inside minor repair kits and overhaul kits for these pumps . Keep your pump’s valve system working right with this direct-fit component.
10 in stock
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