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 .
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.
This Cylinder Sieve (Part #560014) is a fundamental filtration component for your Pfeiffer DUO vacuum pump . Its job is to trap debris and contaminants. This keeps your pump clean and running efficiently. A clean pump means better vacuum pressure and a longer pump life. This sieve is designed for the Pfeiffer DUO 250A, DUO 255M (Index C), DUO 120A, and DUO 125 pump models . If you are rebuilding your pump, this is a part you will need. In fact, it is included in major overhaul kits for these pumps
This Spacer (Part #440050) is an essential component for your Pfeiffer DUO vacuum pump . Its job is to maintain a specific distance or gap between different parts inside the pump . It also helps keep everything perfectly aligned. The right spacing and alignment are critical for smooth, efficient operation . This spacer is designed specifically for the Pfeiffer DUO 120A and DUO 125 pump models . If you are rebuilding your pump or replacing worn internal parts, you may need this spacer.
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