$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 Dowty Seal (Part #4088022) is a replacement part made for two popular Pfeiffer pump models: the UNO 1.5A and the DUO 1.5A . A Dowty seal is a special type of seal. It has a rubber ring bonded to a metal outer ring. This design creates a very tight, reliable seal that stops oil from leaking out and air from getting in . If you are rebuilding your small Pfeiffer pump or fixing a leak, this is exactly the part you need.
10 in stock
This is the Pfeiffer Part# 192122 Plate Valve Nib. It is a replacement part made from durable Viton material . This valve nib is used on many Pfeiffer UNO and DUO pump models including UNO1.5A, DUO1.5A, DUO5, DUO5C, DUO6, DUO6M, DUO10, DUO10C, DUO11, DUO11M, and DUO11MC . You will also find this part included inside minor repair kits and overhaul kits for these pumps . Keep your pump’s valve system working right with this direct-fit component.
10 in stock
Out of stock
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
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.
10 in stock
10 in stock
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