$44.66
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.
Dowty Seal, Pfeiffer, UNO, DUO, Part# 4088022
Dowty Seal, Pfeiffer, UNO, DUO, Part# 4088022
A regular O-ring or flat gasket is just rubber. A Dowty seal is smarter. It has a rubber ring bonded tightly inside a metal outer ring . When you tighten a bolt or fitting onto a Dowty seal, the rubber compresses and creates a perfect seal. The metal ring keeps it from squishing out too much. The result? A seal that works great for both vacuum and pressure applications.
This Dowty seal is made for these Pfeiffer pump models :
UNO 1.5A (single stage pump)
DUO 1.5A (two stage pump)
Check your pump’s model tag before ordering. Look for “UNO 1.5A” or “DUO 1.5A” on the label
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10 in stock
10 in stock
This GX Vane (Part #192109G) is a replacement part made specifically for Pfeiffer UNO1.5A and DUO1.5A vacuum pumps . Made from durable high-strength GX material, this vane helps maintain a tight seal inside your pump, which is essential for creating strong vacuum pressure. If you are rebuilding your UNO1.5A or DUO1.5A pump, this vane is a critical component for a complete overhaul .
10 in stock
This Shaft Seal (Part #4083174) is a replacement part made for two popular Pfeiffer pump models: the UNO 1.5A and the DUO 1.5A . Its main job is to seal the rotating shaft where it enters the pump body. This stops oil from leaking out and keeps air from getting in. If you are rebuilding your small Pfeiffer pump or fixing a leak, this is the part you need. It is also known by the cross-reference number SV0004 and is included in the official repair kit for these pumps .
10 in stock
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 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 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 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 .
10 in stock
10 in stock
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