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

Overhaul Kit, Pfeiffer DUO 120A

Name: Overhaul Kit, Pfeiffer DUO 120A
Brand: Pfeiffer
SKU: 23500
Availability: InStock

$1,739.50

This is the Pfeiffer Part# PMK024 Major Overhaul Kit for the DUO 120A 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.

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Pfeiffer recommends a major overhaul every 4 years. That means taking the pump completely apart. Cleaning everything. And replacing all the wearable parts.

That is exactly what this kit is for. This is the Pfeiffer Major Overhaul Kit, Part# PMK024. It is made specifically for the DUO 120A pump.

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
230092	GX Vane, 1st Stage	2
230093	GX Vane, 2nd Stage	2
490069	Vane Spring	8

Seals & O-Rings (Stop All Leaks)

Part Number	Description	Quantity
310149	Oil Seal, DUO 120A	2
300206	Case Gasket, Cork	1
300207	Sealing Ring	2
4070088	O-ring, 6 x 2.2 mm – Viton	5
320520	O-ring, 12.5 x 2.5 mm – Viton	1
4070420	O-ring, 24 x 2.5 mm – Viton	5
PL23970436	O-ring, 27 x 2.5 mm – Viton	3
4070488	O-ring, 28 x 5 mm – Viton	1
320524	O-ring, 32 x 2.5 mm – Viton	1
23963115	O-ring, 38 x 3 mm – Viton	3
4070874	O-ring, 59 x 3.0 mm – Viton	1
PL23970129	O-ring, 65 x 5 mm – Viton	2
320523	O-ring, 73 x 5 mm – Viton	1
320521	O-ring, 75.56 x 5.33 mm – Viton	3
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

Valves (Control the Flow)

Part Number	Description	Quantity
580052	Compression Valve	1
580053	Exhaust Valve	1
580054	Stamp Valve	2
390024	Safety Valve Buffer	1

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

Coupling & Drive Parts

Part Number	Description	Quantity
512107041	Coupling	1
540005	Coupling Disc	1

Filter & Sight Glass

Part Number	Description	Quantity
700073	Star-shaped Screen Filter	1
583569633	Oil Sight Glass	1

The vanes in this kit (Part# 230092 and 230093) are made from GX material. GX is a high-strength fiberglass composite. Think of it like very tough plastic mixed with glass fibers.