Product Description
Seal Kit for Pfeiffer DUO 6 / DUO 6M – OEM-Equivalent
Vacuum Pump Supply OEM-Equivalent Replacement for Pfeiffer Vacuum Pumps
Part Number: PSK010
Vacuum Pump Supply's OEM-equivalent seal kit for DUO 6, DUO 6M is designed to provide reliable fit and performance for vacuum pump repair and maintenance. This product offers a cost-effective alternative to OEM replacement parts while supporting dependable pump operation.
Compatible Pump Models
- DUO 6
- DUO 6M
Product Features
- O-rings and gaskets
- Shaft seals where included
- Sealing components for leak repair
- Components used during resealing service
When Should This Be Replaced?
Replace or install this component during oil leaks, hardened seals, air leaks, or resealing during pump service.
Complete Bill of Materials
The following components are included in this kit.
| Part Number | Description | Qty |
|---|---|---|
| 194109 | Sight Glass Gasket, Pfeiffer, DUO, UNO, DUO1.6, DUO3, Part# 194109 | 1 |
| 4070065 | O-ring, 5 x 1.5 mm - Viton, Part# 4070065 | 1 |
| 300202 | Sealing ring-Pfeiffer DUO, UNO, Part# 300202 | 1 |
| PL23970016 | O-ring, 22 x 1.5 mm - Viton, Part# PL23970016 | 1 |
| 300201 | Gasket, Pfeiffer, DUO, UNO, Part# 300201 | 1 |
| 4070088 | O-ring, 6 x 2.2 mm - Viton, Part# 4070088 | 2 |
| 4070321 | O - ring, 18 x 5.0 mm - Viton, Part# 4070321 | 2 |
| 320111 | O-ring, 57 x 2.5 mm - Viton, Part# 320111 | 1 |
| 4070333 | O-ring, 19 x 2.5 mm - Viton, Part# 4070333 | 1 |
| 320519 | O-ring, 48 x 2.5 mm - Viton, Part# 320519 | 1 |
| 750093 | Tube Pole Cap, Black- Pfeiffer, DUO, UNO, Part# 750093 | 1 |
| 4070259 | O-ring, 15 x 2.5 mm - Viton, Part# 4070259 | 1 |
| 320473 | O-ring, 16 x 1.5 mm - Viton, Part# 320473 | 1 |
| 320481 | O-ring, 122 x 2.5 mm - Viton, Part# 320481 | 1 |
| 320485 | O-ring, 42 x 2.5 - Viton, Part# 320485 | 1 |
| PL23970149 | O-ring, 8 x 2 mm - Viton, Part# PL23970149 | 2 |
Recommended Products
Complete the Service
Fresh vacuum pump oil and clean filtration are recommended whenever servicing or rebuilding an oil-sealed rotary vane vacuum pump.
Why Buy from Vacuum Pump Supply?
- Vacuum pump specialists since 2006
- OEM-equivalent replacement parts built for value and reliability
- Fast shipping on stocked products
- Technical support from vacuum pump specialists
- Trusted by manufacturers, laboratories, universities, service companies, and maintenance teams
Helpful Resources
- Vacuum Pump Oil Cross Reference Chart
- Vacuum Pump Schematics, Manuals & Repair Resources
- Rotary Vane Vacuum Pump Repair Kits & Parts
- Pfeiffer Vacuum Pump Parts & Kits
Frequently Asked Questions
Is this a genuine OEM Pfeiffer product?
No. This is a Vacuum Pump Supply OEM-equivalent replacement product designed for use with compatible Pfeiffer vacuum pumps.
What pump is this product for?
This product is listed for DUO 6, DUO 6M.
What is the part number?
The part number is PSK010.
Should I change the oil during service?
Yes. Fresh vacuum pump oil is recommended whenever a pump is serviced, resealed, or rebuilt.
