10 in stock
10 in stock
This Pressure Spring (Part #490037) is a replacement part made for Pfeiffer DUO series vacuum pumps, including the SV1200 model . A pressure spring is designed to maintain precise pressure levels inside your pump . It is a critical component that helps keep your pump running reliably. If you are rebuilding your DUO pump, you may need four of these springs for a full overhaul .
10 in stock
10 in stock
10 in stock
10 in stock
10 in stock
10 in stock
This is the Pfeiffer Part# 80010 Minor Repair Kit for the UNO 1.5A and DUO 1.5A vacuum pumps . This maintenance kit includes essential components such as the sight glass, shaft seal, oil box gasket, valve plate, vane springs, centering ring, and O-rings . Designed for seamless compatibility, this kit provides a dependable solution for routine maintenance and helps restore your pump’s performance.
This Retaining Ring (Part #470016) is a small but essential hardware component for your Pfeiffer DUO vacuum pump . It measures 10 mm x 1 mm. A retaining ring, also known as a snap ring or circlip, fits into a groove on a shaft. Its job is to hold other components in place. It prevents parts from sliding off the shaft. This ensures stable and reliable pump operation . This retaining ring is designed specifically for the Pfeiffer DUO 10 and DUO 10C pump models . If you are rebuilding your pump, this is a part you may need.
This Axial Anti-Vibration Ring (Part #440036) is a specialized component for your Pfeiffer vacuum pump. Its job is to reduce vibrations that travel along the shaft, or in the “axial” direction. Think of it like a cushion or a shock absorber. It protects the pump’s bearings and other internal parts from damaging shocks and vibrations. This leads to smoother operation, less noise, and a longer pump life. This ring is often used alongside a radial anti-vibration ring for complete vibration protection
This Distance Ring (Part #440025) is a component for your Pfeiffer DUO 65M vacuum pump . Its job is to maintain the correct distance between two parts inside the pump. It also helps keep everything perfectly aligned. The right spacing and alignment are critical for smooth, efficient operation. This distance ring is designed specifically for the Pfeiffer DUO 65M pump model . If you are rebuilding your pump or replacing worn internal parts, you may need this ring.
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 Support Ring (Part #520035) is a component for your Pfeiffer DUO vacuum pump . It provides essential reinforcement and stability to the pump’s internal assembly. This helps your pump run smoothly and reliably. This ring is designed specifically for the Pfeiffer DUO 120A and DUO 125 pump models . If you are rebuilding your pump or replacing worn parts, this support ring is a critical component you will need.
10 in stock
This Radial Anti-Vibration Ring (Part #440037) is a specialized component for your Pfeiffer vacuum pump. Its job is to reduce vibrations that travel from side to side, or in the “radial” direction . Think of it like a cushion or shock absorber for the pump’s bearing assembly. It protects the sensitive bearings and other internal parts from damaging shocks and vibrations. This leads to smoother operation, less noise, and a longer pump life. This ring is often used alongside an axial anti-vibration ring for complete vibration protection
This small but important part is a Pfeiffer sealing ring, also known as a Dowty seal. The part number is 300216. It is made from tough FKM rubber and measures exactly 10.4 x 16 x 2 millimeters. If you have a Pfeiffer DUO 255M vacuum pump (Index C version), this seal helps stop leaks and keeps the pressure just right. Replace your old or worn seal with this one to keep your pump running strong.
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.
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