Product Description
Minor Maintenance Kit for Pfeiffer DUO 11 / DUO 6 – OEM-Equivalent
Vacuum Pump Supply OEM-Equivalent Replacement for Pfeiffer Vacuum Pumps
Part Number: PRK010
Vacuum Pump Supply's OEM-equivalent minor maintenance kit for DUO 11, DUO 6 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 11
- DUO 6
Product Features
- Seals, O-rings and gaskets
- Washers and small service components
- Components commonly replaced during light overhaul
- Designed for preventive maintenance service
When Should This Be Replaced?
Replace or install this component during light overhaul, preventive maintenance, leak repair, or routine service.
Complete Bill of Materials
The following components are included in this kit.
| Part Number | Description | Qty |
|---|---|---|
| 380020 | Leak Nozzle, Pfeiffer, Part# 380020 | 1 |
| 490036 | Pressure Spring, Pfeiffer, Part# 490036 | 4 |
| 750093 | Tube Pole Cap, Black- Pfeiffer, DUO, UNO, Part# 750093 | 1 |
| 320519 | O-ring, 48 x 2.5 mm - Viton, Part# 320519 | 1 |
| 4070333 | O-ring, 19 x 2.5 mm - Viton, Part# 4070333 | 1 |
| 320111 | O-ring, 57 x 2.5 mm - Viton, Part# 320111 | 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 |
| PL23970016 | O-ring, 22 x 1.5 mm - Viton, Part# PL23970016 | 1 |
| 300202 | Sealing ring-Pfeiffer DUO, UNO, Part# 300202 | 1 |
| 4070065 | O-ring, 5 x 1.5 mm - Viton, Part# 4070065 | 1 |
| 194109 | Sight Glass Gasket, Pfeiffer, DUO, UNO, DUO1.6, DUO3, Part# 194109 | 1 |
| 320485 | O-ring, 42 x 2.5 - Viton, Part# 320485 | 1 |
| 320481 | O-ring, 122 x 2.5 mm - Viton, Part# 320481 | 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 |
| 3838132SV | Spring, Pfeiffer, UNO, DUO, UNO1.5A, DUO1.5A, Part# 3838132SV | 1 |
| 192122 | Plate Valve Nib, Pfeiffer, UNO, DUO, UNO1.5A, DUO1.5A, Part# 192122 | 1 |
| 380045 | Valve Stop, Stainless, Pfeiffer, UNO, DUO, UNO6, Part# 380045 | 1 |
| 25908119 | Plug, Oil Drain, RV pump, Edwards, Pfeiffer, Part# 25908119 | 1 |
| 570002 | Plate Valve Assembly, Pfeiffer, Part# 570002 | 1 |
| 490041 | Pressure Spring, Pfeiffer, DUO, UNO, DUO2.5, DUO2.5C, Part# 490041 | 1 |
| 490046 | Pressure Spring - Pfeiffer, DUO, UNO, Part# 490046 | 1 |
| 580043 | Valve Flap, Long, Pfeiffer, DUO, UNO, Part# 580043 | 1 |
| 580044 | Piston, Hydraulic, Pfeiffer, DUO, DUO 125, DUO 255M (Index C), Part# 580044 | 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 11, DUO 6.
What is the part number?
The part number is PRK010.
Should I change the oil during service?
Yes. Fresh vacuum pump oil is recommended whenever a pump is serviced, resealed, or rebuilt.
