Vane, Rietschle, VTN 10, Rietschle, Dry Rotary Vane, Part# 513455

Overhaul Kit, Pfeiffer DUO 250A

Name: Overhaul Kit, Pfeiffer DUO 250A
Brand: Pfeiffer
SKU: 23502
Availability: InStock

$2,276.40

This is the Pfeiffer Part# PMK027 Major Overhaul Kit for the DUO 250A vacuum pump. This complete kit includes everything you need for a full pump rebuild: 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.

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The DUO 250A is a large, powerful two-stage rotary vane pump. It is the standard version of this pump series. This pump holds about 23 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
230094	Vane, DUO 255M (Index)	4
230095	Vane, DUO 250A	2
490075	Vane Spring	1
490076	Spring, DUO 255M	1
490077	Spring, 54 mm Long	1

Seals & O-Rings (Stop All Leaks)

Part Number	Description	Quantity
310152	Shaft Seal, Single Lip	2
300214	Ring Gasket	2
300215	Case Gasket, Cork	1
38250019	Dowty Seal, 12.7 x 18 x 1.5 mm	1
4070088	O-ring, 6 x 2.2 mm – Viton	7
4070259	O-ring, 15 x 2.5 mm – Viton	3
4070333	O-ring, 19 x 2.5 mm – Viton	2
4070420	O-ring, 24 x 2.5 mm – Viton	5
4070542	O-ring, 32 x 3 mm – Viton	2
4070621	O-ring, 38 x 3.0 mm – Viton	4
320525	O-ring, 35 x 5 mm – Viton	2
320538	O-ring, 85 x 5 mm – Viton	1
PL23970129	O-ring, 65 x 5 mm – Viton	2
PL23970419	O-ring, 125 x 5 mm – Viton	3
PL23970504	O-ring, 55 x 5 mm – Viton	2
48655900	O-ring, 44 x 3 mm – Viton	1
48656700	O-ring, 140 x 5 mm – Viton	1
02106062	O-ring, 107.32 x 5.33 mm – Viton	4