Product Description
Pfeiffer - Oil Sealed, Two Stage Rotary Vane Pumps
- DUO 120A standard version
- DUO 125 (Index B) standard version
- DUO 125M magnetic coupling
- UNO/DUO 250A standard version
- DUO 255M (Index C) magnetic coupling
* MC version Corrosive gas application (with magnetic coupling)
Oil Change:
The maintenance schedule of operating fluid depends on application and location of pump. The oil must be changed if:
- Ultimate pressure is no longer attainable
- Oil appears contaminated, milky, or cloudy when viewed through sight glass
- Oil is discolored
Oil Capacity:
- DUO 120 - 13 liter
- DUO 125 - 14 liter
- UNO 250 - 30 liter
- DUO 250 - 23 liter
- DUO 255 - 25 liter
Maintenance Intervals:
Daily:
- Check operating fluid levels
- Check for leaks
As required (at least annually):
- Change operating fluid
- Disassemble casing, sight glass and pumping system and clean casing outside (without cleaning agent)
- Clean gas ballast valve & silencer
- Clean motor fan cap
As required (at least every 2 years):
- Disassemble the pump, clean & exchange seal and wearing parts
As required (at least every 4 years):
- Carry out work in accordance with maintenance and additionally
- Change vanes
- Change valves, springs, and sight glass
- Change silencer nozzle
- Check coupling and exchange is necessary
General product classifications
| Part Number Cross-Reference | PKE02051-T |
| Compatible Brands | Pfeiffer |
| Family | DUO |
| Compatible Pump Models | DUO255M(IndexC) |
| Category | Repair Kits |
| Subcategory | Overhaul Kits |
| Country of origin | US |
Other Details
- 5_Brochure_Precision plus.pdf - Brochure - American English
- 5_Brochure_PrecisionPlus_German.pdf - Brochure - German
- 3_LineCard_Rev12.pdf - Line Card - American English
- 3_LineCard_German_REV12.pdf - Line Card - German
- 3_LineCard_Korean_REV12.pdf - Line Card - Korean
- 3_LineCard_Portugese_REV12.pdf - Line Card - Portuguese (European)
- 3_LineCard_Spanish_REV12.pdf - Line Card - Spanish (European)
