$455.70
This is the Pfeiffer Part# PSK025 Seal Kit for the DUO 125 (Index B) and DUO 125M vacuum pumps . This comprehensive kit includes O-rings, gaskets, springs, a sight glass, a hydraulic piston, a coupling, and more . Designed specifically for the DUO 125 series, this kit provides everything you need to restore the sealing integrity of your pump during routine maintenance.
Seal Kit, Pfeiffer DUO 125 (Index B) & 125M, Pfeiffer, DUO, Part# PSK025
Seal Kit, Pfeiffer DUO 125 (Index B) & 125M, Pfeiffer, DUO, Part# PSK025
The DUO 125M is a large, powerful two-stage rotary vane pump. The “M” stands for magnetic coupling. This design means there is no shaft seal that can leak . It is built for tough industrial jobs. The DUO 125 has a pumping speed of 135 m³/h and holds about 14 liters of oil . That tells you how big this pump is.
This kit works on both the standard DUO 125 (Index B) and the magnetic coupling DUO 125M version.
This kit includes almost every seal and wearable part your pump needs. Here is the complete list of what you get :
| Part Number | Description | Quantity |
|---|---|---|
| 320177 | O-ring, 18 x 2.0 mm – Viton | 1 |
| 4070333 | O-ring, 19 x 2.5 mm – Viton | 1 |
| 4070420 | O-ring, 24 x 2.5mm – Viton | 4 |
| 02124025 | O-ring, 28 x 5 mm – Viton | 1 |
| 320524 | O-ring, 32 x 2.5 mm – Viton | 2 |
| 48652700 | O-ring, 66 x 2 mm – Viton | 1 |
| PL23970129 | O-Ring, Viton, 65 x 5 mm | 2 |
| 320538 | O-ring, 85 x 5mm – Viton | 1 |
| 320336 | O-ring, 94 x 2.5 – Viton | 1 |
| 23970139 | O-ring, 100 x 5 mm – Viton | 1 |
| 23714036 | O-ring, 150 x 3 mm – Viton | 1 |
| PL23970419 | O-ring, 125 x 5 mm – Viton | 1 |
| 320529 | O-ring, 410 x 3 mm – Viton | 1 |
| 320521 | O-ring, 75.56 x 5.33 mm – Viton | 3 |
| 320522 | O-ring, 88 x 5 mm – Viton | 1 |
| 330096 | Ball, Steel, 8 mm diameter, Mirror Finish | 1 |
| 580044 | Piston, Hydraulic | 1 |
| 300167 | Sight Glass Gasket | 2 |
| 500023 | Sight Glass | 1 |
| 490073 | Spring, DUO 125 | 2 |
| 490074 | Spring, 40 mm Long, DUO 125 | 2 |
| 390024 | Buffer, Valve, Safety | 1 |
| 512107041 | Coupling | 1 |
| 310149 | Seal, Oil, DUO 120A | 2 |
| 4070088 | O-ring, 6 x 2.2 mm – Viton | 1 |
| PL23970149 | O-ring, 8 x 2 mm – Viton | 1 |
| 4070166 | O-ring, 10 x 2.5mm – Viton | 1 |
| 490071 | Spring, DUO 125 | 1 |
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