$1,829.10
This is the Pfeiffer Part# PMK025 Major Overhaul Kit for the DUO 125 (Index B) vacuum pump . This complete kit includes everything you need for a full pump rebuild: GX vanes, springs, seals, O-rings, valves, coupling, gaskets, sight glass, and more. Following Pfeiffer’s recommended 4-year maintenance schedule, this kit restores your pump to like-new condition

Overhaul Kit, Pfeiffer DUO 125 - Part# PMK025

Overhaul Kit, Pfeiffer DUO 125 - Part# PMK025
The DUO 125 is a large, powerful two-stage rotary vane pump. It is the standard version of this pump series. This pump holds about 14 liters of oil. That tells you how big it is. It is built for tough industrial jobs where a strong, reliable vacuum is needed .
This kit includes nearly every wearable part your pump needs. Here is the complete list of what you get :
Vanes & Springs (The Heart of the Pump)
| Part Number | Description | Quantity |
|---|---|---|
| 230103 | 2nd Stage Vane | 2 |
| 230104 | 1st Stage Vane | 2 |
| 490069 | Vane Spring | 8 |
| 490070 | Spring, DUO 125 | 1 |
| 490071 | Spring, DUO 125 | 1 |
| 490073 | Spring, DUO 125 | 2 |
| 490074 | Spring, 40 mm Long | 2 |
Seals & O-Rings (Stop All Leaks)
| Part Number | Description | Quantity |
|---|---|---|
| 310149 | Oil Seal, DUO 120A | 2 |
| 300167 | Sight Glass Gasket | 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 2.5 mm – Viton | 1 |
| 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 2.5 mm – 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, 65 x 5 mm – Viton | 2 |
| 320538 | O-ring, 85 x 5 mm – Viton | 1 |
| 320522 | O-ring, 88 x 5 mm – Viton | 1 |
| 320336 | O-ring, 94 x 2.5 mm – Viton | 1 |
| 23970139 | O-ring, 100 x 5 mm – Viton | 1 |
| PL23970419 | O-ring, 125 x 5 mm – Viton | 1 |
| 23714036 | O-ring, 150 x 3 mm – Viton | 1 |
| 320529 | O-ring, 410 x 3 mm – Viton | 1 |
| 320521 | O-ring, 75.56 x 5.33 mm – Viton | 3 |
Valves & Plates (Control the Flow)
| Part Number | Description | Quantity |
|---|---|---|
| 580052 | Compression Valve | 1 |
| 580054 | Stamp Valve | 2 |
| 390024 | Safety Valve Buffer | 1 |
| 390028 | Valve Seat | 2 |
| 380047 | Aluminium Valve Plate with O-ring | 1 |
| 380048 | Spring Plate, Non Return Valve | 2 |
| PL20011245 | Exhaust Finger | 2 |
Mechanical Parts (Smooth Operation)
| Part Number | Description | Quantity |
|---|---|---|
| 250030 | Steel Sleeve | 1 |
| 440050 | Spacer, DUO 120A | 1 |
| 520035 | Support Ring | 1 |
| 560014 | Cylinder Sieve | 1 |
| 330094 | Needle Bearing | 4 |
| 580044 | Hydraulic Piston | 1 |
| 330096 | Steel Ball, 8 mm, Mirror Finish | 1 |
| 220004 | Feather Key, 5x5x10 | 1 |
| 220005 | Key, Round Ends | 1 |
Coupling & Filter
| Part Number | Description | Quantity |
|---|---|---|
| 512107041 | Coupling | 1 |
| 700073 | Star-shaped Screen Filter | 1 |
| 700074 | Pleated Filter with Rubber Housing | 1 |
Sight Glass
| Part Number | Description | Quantity |
|---|---|---|
| 500023 | Sight Glass | 1 |
|
|
|
0% |
|
|
|
0% |
|
|
|
0% |
|
|
|
0% |
|
|
|
0% |
10 in stock
10 in stock
10 in stock
10 in stock
10 in stock
10 in stock
10 in stock
10 in stock
10 in stock
10 in stock
10 in stock
10 in stock
Not a member? Create an account
Already got an account? Sign in here
Reviews
There are no reviews yet.