
$4.83
This Viton O-Ring (Part #4070015) is a small but critical sealing component for your Pfeiffer vacuum pump . It measures 2.2 mm (inner diameter) x 1 mm (cross section) . Made from Viton, a high-performance synthetic rubber, this tiny O-ring creates a tight, reliable seal in a precise location within your pump.
This O-ring is designed for the Pfeiffer UNO 1.5A and DUO 1.5A 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 Minor Repair Kit (Part # 080010) for these pumps .

O-ring, 2.2 x 1 mm - Viton, Part# 4070015

O-ring, 2.2 x 1 mm - Viton, Part# 4070015
This is a very small Viton O-ring. Its part number is 4070015. 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 tiny groove between two small 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 only 2.2 mm on the inside and has a thickness of just 1 mm . Despite its small size, it plays an important role.
This O-ring is made specifically for these Pfeiffer pump models :
Pfeiffer UNO 1.5A
Pfeiffer DUO 1.5A
If you own either of these pumps, this is the right O-ring for you. It is included as a standard component in the Minor Repair Kit (Part # 080010) for these pumps, where exactly one of these O-rings is used .
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10 in stock
10 in stock
10 in stock
10 in stock
10 in stock
This Valve Flap (Part #192348) is a replacement part made specifically for Pfeiffer UNO 1.5A and DUO 1.5A vacuum pumps . Its main job is to regulate the flow of gases inside your pump, which is essential for achieving and maintaining the right vacuum pressure . If you are rebuilding your pump, you will need one of these valve flaps for a complete repair .
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
10 in stock
10 in stock
10 in stock
10 in stock
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