Product Description
Used on Pfeiffer DUO 250A,DUO 255M (Index C),DUO 120A For complete kit content details see bill of materials below
| Part Number | Description | Quantity | 
|---|---|---|
| 230094 | Vane, Pfeiffer, DUO, DUO255M(Index), Part# 230094 | 2 | 
| 230095 | Vane, Pfeiffer, DUO, DUO250A, Part# 230095 | 2 | 
| 490075 | Spring, Vane, DUO 250A/255M, Pfeiffer, Part# 490075 | 4 | 
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 | PKE08028-T | 
| Compatible Brands | Pfeiffer | 
| Family | DUO | 
| Compatible Pump Models | DUO250A DUO255M(IndexC) DUO120A | 
| Category | Repair Kits | 
| Subcategory | Vane Kit | 
| Country of origin | US | 
 
             
                 
           
           
           
          