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
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 .
10 in stock
10 in stock
10 in stock
10 in stock
10 in stock
This Leak Nozzle (Part #220170A) is a component for your Pfeiffer vacuum pump . It is used on Pfeiffer pumps within the UNO and DUO families . Its job is to control the flow of gases inside the pump. Think of it like a small but important passageway. It manages and directs gas movement. This helps your pump run efficiently and reliably . If your pump is not performing well, a worn or clogged leak nozzle could be the reason. This is a replacement part.
This Locking Cap (Part #192126) is a replacement component for your Pfeiffer vacuum pump. Its job is to securely fasten and lock certain internal parts in place . Think of it like a specialized nut or retainer. It keeps components from moving or loosening during pump operation. This locking cap is designed specifically for the Pfeiffer UNO 1.5A and DUO 1.5A pump models . If you are rebuilding your pump, you will likely need this part. In fact, it is included in the Minor Repair Kit for these pumps .
10 in stock
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.
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
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