$19.11
This Valve Flap (Part #192348) is a replacement part made specifically for Pfeiffer UNO 1.5A and DUO 1.5A vacuum pumps . Its main job is to regulate the flow of gases inside your pump, which is essential for achieving and maintaining the right vacuum pressure . If you are rebuilding your pump, you will need one of these valve flaps for a complete repair .
Valve Flap, Pfeiffer, UNO, DUO, Part# 192348
Valve Flap, Pfeiffer, UNO, DUO, Part# 192348
valve flap like a small, flexible door inside your pump. It opens and closes at just the right times to let gas flow in one direction. When the gas tries to flow back the wrong way, the flap closes. This is called “regulating the flow” .
Without a good valve flap, your pump cannot move gas properly. The vacuum pressure drops. The pump has to work much harder. And your results can suffer.
If you use your vacuum pump for important jobs like:
Drying samples
Distillation
Filtration
Or any lab or industrial process
Then you need stable, reliable vacuum pressure. A worn or damaged valve flap can ruin that stability.
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10 in stock
10 in stock
This spring (Part #3838132SV) is a replacement part used across a wide range of Pfeiffer UNO and DUO series vacuum pumps. It is a critical component found in valve and flap mechanisms, including models like UNO1.5A, DUO1.5A, UNO35, DUO35, DUO65, DUO11, and DUO6 . If you are rebuilding your pump or restoring its performance, this spring is an essential part of the job. It is also known by the cross-reference number B0042 .
This Cork Oil Box Gasket (Part #192124) is a replacement seal for your Pfeiffer vacuum pump. It fits between the oil box (or oil casing) and the main pump body . Its job is simple but very important. It keeps the oil where it belongs. It stops leaks. It also prevents outside air from getting into the pump. This gasket is made for the Pfeiffer UNO 1.5A and DUO 1.5A pump models . If you see oil leaking from your pump, this gasket might be the problem. Replace it during your next maintenance.
10 in stock
10 in stock
This is the Pfeiffer Part# 4070262, a 15 x 5 mm O-ring made of high-performance Viton (FKM) rubber. It is specifically designed to replace the worn seal in Pfeiffer UNO 1.5A and DUO 1.5A vacuum pumps . Keep your vacuum pump leak-free and running efficiently with this direct-fit, durable seal.
This Viton O-Ring (Part #4070015) is a small but critical sealing component for your Pfeiffer vacuum pump . It measures 2.2 mm (inner diameter) x 1 mm (cross section) . Made from Viton, a high-performance synthetic rubber, this tiny O-ring creates a tight, reliable seal in a precise location within your pump.
This O-ring is designed for the Pfeiffer UNO 1.5A and DUO 1.5A 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 Minor Repair Kit (Part # 080010) for these pumps .
This Vane Spring (Part #3836534) is a replacement part made specifically for Pfeiffer UNO 1.5A and DUO 1.5A vacuum pumps . Its job is to provide the necessary tension and support for the vanes inside your pump . This allows the vanes to move freely while maintaining proper contact with the pump’s rotor . If you are rebuilding your pump, you will need four of these springs for a complete repair
10 in stock
Out of 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.
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