This Case Gasket (Part #194081V) is made from Viton, a high-performance synthetic rubber. It is designed specifically for the Pfeiffer DUO 2.5C vacuum pump. Its job is to create a tight, chemical-resistant seal inside the pump casing. This stops leaks and keeps your vacuum pressure strong. Unlike standard cork gaskets, this Viton version offers better resistance to heat and chemicals . If you are opening your DUO 2.5C for repair or maintenance, this gasket should be replaced.
This is the Pfeiffer Part# PKE02030T Major Overhaul Kit for the DUO 2.5C corrosive gas version vacuum pump . This comprehensive kit includes everything you need for a full pump rebuild: GX and PEEK vanes, Viton O-rings, springs, valves, shaft seal, coupling, sight glass, and more . Following Pfeiffer’s recommended 4-year maintenance schedule, this kit restores your pump to like-new condition.
10 in stock
10 in stock
This Viton O-Ring (Part #320176) is a critical sealing component for your small Pfeiffer DUO vacuum pump . It measures 15 mm (inner diameter) x 1.5 mm (cross section). Made from Viton, a high-performance synthetic rubber, this O-ring creates a tight, reliable seal. It prevents leaks and keeps your vacuum pressure strong.
This O-ring is designed for the Pfeiffer DUO 2.5, DUO 2.5C, DUO 5, and DUO 5C pump models . If you are rebuilding your pump, this O-ring is a must-have part. In fact, it is included as a standard component in the Seal Kit for the DUO 5 / DUO 5C (Part # PKE30005T) , where two of these O-rings are used , as well as in the Seal Kit for the DUO 2.5C (Part # PKE00020T) and the Major Overhaul Kit for the DUO 5C (Part # PKE32006T) .
10 in stock
This Viton O-Ring (Part #320174) is a critical sealing component for your small Pfeiffer DUO vacuum pump . It measures 16 mm (inner diameter) x 1.0 mm (cross section). Made from Viton, a high-performance synthetic rubber, this O-ring creates a tight, reliable seal. It prevents leaks and keeps your vacuum pressure strong.
This O-ring is designed for the Pfeiffer DUO 2.5 and DUO 2.5C pump models . If you are rebuilding your pump, this O-ring is a must-have part. In fact, it is included as a standard component in the Seal Kit for the DUO 2.5C (Part # PKE00020T) , where two of these O-rings are used , as well as in the Minor Kit for the DUO 2.5 (Part # 194324) , which contains one of these O-rings .
10 in stock
10 in stock
10 in stock
10 in stock
10 in stock
10 in stock
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
This Sight Glass Assembly (Part #500015PP) is a replacement part that fits multiple popular vacuum pumps. It works on Pfeiffer DUO 2.5 and DUO 2.5C models. It also works on Busch R5 RD0300A and RD0360A pumps. The clear glass lets you see the oil level inside your pump at a quick glance. No more guessing if the oil is low or too high. Just look, and you will know.
10 in stock
10 in stock
This GX Vane (Part #230064) is a replacement part made specifically for Pfeiffer DUO2.5 and DUO2.5C vacuum pumps . Vanes are the heart of a rotary vane pump. They slide in and out of the rotor, creating the seal that compresses gas and generates vacuum pressure. Made from durable high-strength GX material, this component is critical for maintaining the efficiency and reliability of your pump . If you are rebuilding your pump, you will need one of these vanes for a complete overhaul .
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