10 in stock
This Disc Coupling (Part #540005) is a component for your Pfeiffer DUO 120A vacuum pump . It connects the motor shaft to the pump shaft. Its job is to transmit torque, or turning power, from the motor to the pump. It also compensates for small misalignments between the two shafts. This helps the pump run smoothly and reduces wear. This disc coupling is designed specifically for the Pfeiffer DUO 120A pump model .
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 Viton O-Ring (Part #320520) is a critical sealing component for your Pfeiffer DUO 120A vacuum pump . It measures 12.5 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. If you are rebuilding your DUO 120A 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 this pump .
This Viton O-Ring (Part #4070488) is a critical sealing component for your Pfeiffer DUO 120A 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 designed specifically for the Pfeiffer DUO 120A pump model . 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) and the Major Overhaul Kit (Part # PMK024) for the DUO 120A, where exactly one of these O-rings is used .
10 in stock
10 in stock
This Viton O-Ring (Part #320523) is a critical sealing component for your Pfeiffer DUO 120A vacuum pump . It measures 73 mm x 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. If you are rebuilding your DUO 120A pump, this O-ring is a must-have part. In fact, it is included as a standard component in the Seal Kit (Part # PSK024) and the Major Overhaul Kit (Part # PMK024) for this pump .
This Sealing Ring (Part #300207) is a replacement part made for Pfeiffer DUO 120A vacuum pumps. It is a small but critical component that helps keep your pump running properly. Two of these rings are used inside each DUO 120A pump, and they are also included in the official Pfeiffer seal kit (PSK024). If you are rebuilding your pump or fixing a leak, this is the right part for the job.
This Steel Sleeve (Part #250030) is a genuine replacement part made for Pfeiffer DUO 120A and DUO 125 vacuum pumps. It is a durable, precision-engineered component made from high-quality steel. This sleeve is a critical internal part that helps your pump run smoothly and efficiently. If you are rebuilding your pump or replacing worn parts, this is the correct sleeve for the job
This Vane Spring (Part #490069) is a replacement part made for Pfeiffer DUO 120A and DUO 125 vacuum pumps . Unlike a regular spring, a vane spring has one specific job: it pushes the vane outward against the cylinder wall. This creates the seal needed to generate vacuum pressure. If you are rebuilding your pump, you will need eight of these springs for a full overhaul
This Compression Valve (Part #580052) is a replacement part made for three popular Pfeiffer DUO series vacuum pumps. It fits the DUO 120A, DUO 125, and DUO 250A models . A compression valve helps control gas flow and pressure inside your pump. If you are rebuilding your pump, you will need one of these valves for a complete overhaul .
This Stamp Valve (Part #580054) is a replacement part made for several popular Pfeiffer DUO series vacuum pumps. It fits the DUO 120A, DUO 250A, and DUO 255M (Index C) models . A stamp valve is a critical component that helps control the flow of gas through your pump. If you are rebuilding your pump, you will need either one or two of these valves, depending on your specific model .
This 1st Stage Vane (Part #230092) is a replacement part made for Pfeiffer DUO120A and DUO125 vacuum pumps . It is designed for use in the first stage of these two-stage pumps. Made from durable GX material, this vane helps maintain a tight seal inside your pump, which is essential for creating strong vacuum pressure . If you are rebuilding your DUO120A pump, you will need two of these vanes for a complete overhaul .
This 2nd Stage Vane (Part #230093) is a replacement part made for Pfeiffer DUO120A and DUO125 vacuum pumps . It is designed for use in the second stage of these two-stage pumps. Made from durable GX material, this vane helps maintain a tight seal inside your pump, which is essential for creating strong vacuum pressure. If you are rebuilding your DUO120A pump, you will need two of these vanes for a complete overhaul .
Not a member? Create an account
Already got an account? Sign in here
