$63.07
This is the Pfeiffer Part# PSK014 Seal Kit for the Duo 11 and Duo 11M vacuum pumps . This kit includes Viton O-rings, gaskets, a sight glass gasket, and a tube pole cap . Designed for seamless compatibility with your Duo pumps, this seal kit provides a dependable solution for routine maintenance and helps restore the sealing integrity of your pump .

Seal Kit - Pfeiffer Duo 11, Pfeiffer, DUO, Part# PSK014

Seal Kit - Pfeiffer Duo 11, Pfeiffer, DUO, Part# PSK014
The Duo 11 is the standard version with a traditional shaft seal. The Duo 11M uses a magnetic coupling instead. That means no shaft seal to leak. But both pumps use the same seals everywhere else. That is why this seal kit works for both models .
This kit includes every rubber seal your pump needs for basic maintenance. Here is the complete list of what you get :
| Part Number | Description | Quantity |
|---|---|---|
| 194109 | Sight Glass Gasket | 1 |
| 300201 | Gasket | 1 |
| 300202 | Sealing Ring | 1 |
| 750093 | Tube Pole Cap, Black | 1 |
| 02122009V | O-ring, 11 x 1.5 mm – Viton | 2 |
| 4070065 | O-ring, 5 x 1.5 mm – Viton | 3 |
| 4070088 | O-ring, 6 x 2.2 mm – Viton | 3 |
| 4070259 | O-ring, 15 x 2.5 mm – Viton | 1 |
| 4070321 | O-ring, 18 x 5.0 mm – Viton | 2 |
| 4070333 | O-ring, 19 x 2.5 mm – Viton | 1 |
| 4070420 | O-ring, 24 x 2.5 mm – Viton | 1 |
| 4070465 | O-ring, 27 x 2.5 mm – Viton | 3 |
| 320111 | O-ring, 57 x 2.5 mm – Viton | 1 |
| 320115 | O-ring, 44.5 x 2.5 mm – Viton | 1 |
| 320473 | O-ring, 16 x 1.5 mm – Viton | 1 |
| 320481 | O-ring, 122 x 2.5 mm – Viton | 1 |
| 320485 | O-ring, 42 x 2.5 mm – Viton | 1 |
| 320519 | O-ring, 48 x 2.5 mm – Viton | 1 |
| 79569 | O-ring, 10.3 x 2.4 mm – Viton | 1 |
| 02124174 | O-ring, 77 x 2.5 mm – Viton | 1 |
| PL23970016 | O-ring, 22 x 1.5 mm – Viton | 1 |
| PL23970149 | O-ring, 8 x 2 mm – Viton | 1 |
| PL23970419 | O-ring, 125 x 5 mm – Viton | 3 |
| PL23970504 | O-ring, 55 x 5 mm – Viton | 2 |
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10 in stock
10 in stock
10 in stock
10 in stock
10 in stock
11 in stock
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 .
10 in stock
10 in stock
10 in stock
11 in stock
10 in stock
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