This Steel Ball (Part #330096) is a component for your Pfeiffer DUO 125 vacuum pump . It measures 8 mm in diameter and features a mirror finish. The ball is typically used as a check valve inside the pump. It allows gas to flow in one direction and blocks it from flowing backward. A smooth, perfectly round ball is essential for a good seal. This steel ball ensures smooth and efficient pump operation . If you are rebuilding your pump, this is a critical component you will need .
10 in stock
10 in stock
10 in stock
Pfeiffer vacuum pump running smoothly with this Star Shaped Screen Filter (Part #700073). Designed specifically for the DUO 120A model, this small but essential part traps dirt and debris before they can enter your pump. It helps protect the internal parts, so your machine lasts longer and works better. It is a direct replacement for your old or clogged filter.
This Feather Key (Part #220004) is a small but essential hardware component for your Pfeiffer DUO 125 vacuum pump. It measures 5 mm x 5 mm x 10 mm. The key fits into slots on a shaft and a rotating part. Its job is to connect them together. It transmits torque, or turning power, from one part to another. Without it, the rotating parts would slip. This key is designed specifically for the Pfeiffer DUO 125 pump model .
This Round Ends Key (Part #220005) is a small but essential hardware component for your Pfeiffer DUO 125 vacuum pump. Unlike standard keys with square ends, this one has rounded ends . The key fits into slots on a shaft and a rotating part. Its job is to connect them together. It transmits torque, or turning power, from one part to another. Without it, the rotating parts would slip. This key is designed specifically for the Pfeiffer DUO 125 pump model .
Keep your Pfeiffer DUO pump running smoothly with this Needle Bearing (Part #330094). This bearing is made to fit specific DUO pump models, reducing friction and supporting rotating parts inside the pump.
10 in stock
10 in stock
This Viton O-Ring (Part #PL23970419) is a critical sealing component for your vacuum pump. It measures 125 mm (inner diameter) x 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 compatible with Pfeiffer and Leybold pump brands . It fits the Pfeiffer DUO 120A, DUO 125, DUO 250A, DUO 255M (Index C), UNO 250A and Leybold Ruvac WAU2000, WSU2000, WA2001, WAU2001, WS2001, WSU2001 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 120A (PSK024) and the Overhaul Kit for the DUO 125 (PMK025) .
Get your vacuum pump back in shape with this large, durable Viton O-ring. Measuring 150 mm inside diameter (ID) x 3.0 mm width (CS) , this Part# 29361336 is a perfect fit for the Pfeiffer DUO 125 pump. It is also used in repair kits for Edwards EH/QMB booster pumps. Made from high-quality Viton (FKM) , it handles the high heat and oils of industrial vacuum systems without breaking down.
This Viton O-Ring (Part #320177) is a critical sealing component for your Pfeiffer DUO vacuum pump. It measures 18 mm (inner diameter) x 2.0 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 specifically for the Pfeiffer DUO 125 and DUO 255M (Index C) 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 125 (Part # PSK025) , where exactly one of these O-rings is used .
10 in stock
10 in stock
This Viton O-Ring (Part #02124025) is a critical sealing component for your Pfeiffer vacuum pump. It measures 28 mm (inner diameter) x 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 compatible with Pfeiffer DUO and UNO pump families . It fits the Pfeiffer DUO 120A, DUO 125, DUO 255M (Index C), DUO 10, DUO 10C, DUO 20, DUO 20C, and UNO 30M 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 120A (PSK024) , the Seal Kit for the DUO 125 (PSK025) , and the Seal Kit for the DUO 255M (PSK028) .
This Viton O-Ring (Part #320524) is a critical sealing component for your Pfeiffer DUO vacuum pump . It measures 32 mm x 2.5 mm. 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 120A, DUO 125, and DUO 255M (Index C) 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 (Part # PSK024) for the DUO 120A .
This Viton O-Ring (Part #320529) is a critical sealing component for your Pfeiffer DUO 125 vacuum pump . It measures 410 mm x 3 mm. 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. If you are rebuilding your DUO 125 pump, this O-ring is a must-have part. In fact, it is included as a standard component in the Major Overhaul Kit (Part # PMK025) for this pump
10 in stock
10 in stock
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