Overhaul Kit, Pfeiffer UNO 250A – vacstellar

this comprehensive Overhaul Kit (Part #PMK026). This complete kit contains everything you need for a full Level 3 overhaul, including all gaskets, seals, vanes, O-rings, shaft seals, valve components, and wear parts . It is the ideal solution for restoring your pump to like-new performance .

This is a complete overhaul kit for the Pfeiffer UNO 250A. It includes every part that typically wears out during normal use .

The kit contains a full set of components, including:

• Vanes (Part #230094) – Two vanes for the pumping mechanism

• Shaft Seals (Part #310152) – Two single lip shaft seals

• Valve Components – Exhaust valves (Part #580053), ring seat valve (Part #380050)

• Springs – Vane spring (Part #490075) for proper tension

• Gaskets – Case gasket (Part #300215), ring gaskets (Part #300214)

• O-rings – A full set of Viton O-rings in various sizes (15 x 2.5 mm, 6 x 2.2 mm, 19 x 2.5 mm, 24 x 2.5 mm, 55 x 5 mm, 38 x 3.0 mm, 85 x 5 mm, 125 x 5 mm, 107.32 x 5.33 mm, 140 x 5 mm, 65 x 5 mm, 44 x 3 mm, 35 x 5 mm, 32 x 3 mm)

• Sight Glass (Part #583569633) for easy oil level monitoring