
$186.90
This is the Pfeiffer Part# 194324 Minor Kit for the Duo 2.5 vacuum pump . This maintenance kit includes Viton O-rings, valve flaps, gaskets, a shaft seal, springs, and a hydraulic piston . Designed for seamless compatibility with your Duo 2.5 pump, this minor kit provides a dependable solution for routine maintenance

Minor Kit, Pfeiffer, Duo, Duo2.5, Part# 194324

Minor Kit, Pfeiffer, Duo, Duo2.5, Part# 194324
The Duo 2.5 is a compact two-stage rotary vane pump. It is used in many labs and small industrial settings. It is reliable and popular. But like all pumps, it needs regular maintenance.This kit includes the most common wear parts your pump needs for a minor service. Here is the complete list of what you get :
O-Rings & Seals (Stop Leaks)
| Part Number | Description | Quantity |
|---|---|---|
| 4070166 | O-ring, 10 x 2.5 mm – Viton | 2 |
| 4070125 | O-ring, 8 x 2.0 mm – Viton | 1 |
| 4070262 | O-ring, 15 x 5 mm – Viton | 1 |
| 4070259 | O-ring, 15 x 2.5 mm – Viton | 1 |
| 4070088 | O-ring, 6 x 2.2 mm – Viton | 3 |
| 4070065 | O-ring, 5 x 1.5 mm – Viton | 1 |
| 320174 | O-ring, 16 x 1.0 mm – Viton | 1 |
| 4070321 | O-ring, 18 x 5.0 mm – Viton | 3 |
| 320175 | O-ring, 22 x 1.5 mm – Viton | 2 |
| 4070420 | O-ring, 24 x 2.5 mm – Viton | 1 |
| 300057 | Ring Gasket | 1 |
| 194081 | Case Gasket, Cork | 1 |
| 310061 | Shaft Seal, Viton – Single Lip | 1 |
Valve Parts (Control the Flow)
| Part Number | Description | Quantity |
|---|---|---|
| 580042 | Valve Flap, Round | 1 |
| 580043 | Valve Flap, Long | 2 |
| 580044 | Hydraulic Piston | 1 |
| 390009 | Valve Coupler Plate, Stainless Steel & Viton | 1 |
Springs & Other Parts
| Part Number | Description | Quantity |
|---|---|---|
| 490036 | Pressure Spring | 4 |
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This Cork Case Gasket (Part #300165) is made specifically for the Pfeiffer DUO 2.5 vacuum pump. It goes between the two main halves of the pump body. Its job is to create a tight, reliable seal. This stops oil from leaking out. It also stops air from leaking in. A good seal means your pump holds strong vacuum pressure. If you are opening the pump for maintenance or a minor repair, you must replace this gasket. It is a one-time-use part .
10 in stock
This Ring Gasket (Part #300057) is a critical sealing component for your Pfeiffer vacuum pump. It is made from Viton, a high-performance rubber material. This gasket creates a tight seal between different parts inside the pump. It stops leaks and keeps the vacuum pressure strong. This ring gasket fits the Pfeiffer DUO 2.5 and DUO 2.5C pump models . If you are doing any repair work on these pumps, you will likely need this gasket.
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
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