10 in stock
10 in stock
Becker U4.20 pump sealed properly with this small copper sealing ring. It measures 13.16 mm outer diameter, 10.4 mm inner diameter, and 0.8 mm thick. Made from soft copper that compresses to form a tight, leak-proof seal. Designed specifically for the Becker U4.20 pump. A tiny but very important part.
This Sealing ring with material copper having size 13.16 x 10.4x 0.8 is used on Becker brand and U Series family and Used pump models U4.20. .
10 in stock
Becker U4.20 pump sealed properly with this copper sealing ring. It measures 21.75 mm outer diameter, 16.4 mm inner diameter, and 1.3 mm thick. Made from soft copper that compresses to form a tight, leak-proof seal. Designed specifically for the Becker U4.20 pump. A small but critical part.
This Sealing ring with material copper having size 21.75 x 16.4 x 1.3 mm is used on Becker brand and U Series family and Used pump models U4.20.
Becker U Series pump sealed properly with this copper sealing ring. It measures 25.75 mm outer diameter, 21.2 mm inner diameter, and 1.4 mm thick. Made from soft copper that compresses to form a tight, leak-proof seal. Designed specifically for Becker U4.400 and U4.630 pumps. A simple but critical part.
This is the Copper Sealing Ring for Becker U Series pumps (Part #94802910000) . It is a vacstellar-engineered copper ring that creates a tight, reliable seal inside your vacuum pump . This sealing ring is used on many Becker U Series pump models including U4.165, U4.190, and U4.250
10 in stock
10 in stock
This is the Fiber Sealing Ring for Becker U4.20 pumps (Part #300094) . It measures 46.7 mm outer diameter, 40.0 mm inner diameter, and 1.9 mm thickness . Made from durable fiber material, this sealing ring creates a tight, reliable seal inside your Becker U Series pump . This part is also included in the official Becker Seal & Gasket Kit (Part #54900040300) and Major Overhaul Kit (Part #33805600000) for the U4.20
10 in stock
10 in stock
10 in stock
Becker U4.20 vacuum pump sealed tight with this silicone sealing ring. It measures 23.0 mm outer diameter, 8.0 mm inner diameter, and 3 mm thickness. Made from soft but durable silicone. This small ring prevents air leaks and oil leaks. A simple part that keeps your pump running strong.
This Sealing ring with material Silicone having size 23.0 x 8.0 x 3 mm is used on Becker brand and U Series family and Used pump models U4.20. .
This is the Viton Sealing Ring for Becker U4.20 pumps (Part #300092) . It measures 22.8 mm x 8 mm x 2.8 mm . Made from durable Viton material, this sealing ring creates a reliable seal that resists heat, oil, and chemicals . This ring is used on the Becker U4.20 pump and is also included in the Seal & Gasket Kit (Part #54900040300) and Major Overhaul Kit (Part #33805600000)
10 in stock
This Valve Seat (Part #390028) is a specialized component for your Pfeiffer DUO vacuum pump . It works together with the valve spindle to create a tight seal. This seal controls the flow of gases through the pump. A worn or damaged valve seat can cause leaks and reduce vacuum performance. This valve seat is designed specifically for the Pfeiffer DUO 125 and DUO 255M (Index C) pump models . If you are rebuilding your pump or fixing a valve leak, this is the part you need.
this shaft sealing ring for Becker U Series pumps. Made for U4.165, U4.190, and U4.250 models and their variations. This critical part seals the rotating shaft where it enters the pump housing. If this seal fails, oil will leak out and air will leak in. OEM quality direct replacement.
this shaft sealing ring for Becker U Series pumps. Made for U4.400 and U4.630 models. This is a critical part that seals the rotating shaft where it enters the pump housing. If this seal fails, oil will leak out and air will leak in. OEM quality direct replacement.
This Shaft Sealing ring Used Becker brand and U Series family and Used pump models U4.400, U4.630.
This is the shaft sealing ring for Becker U Series vacuum pumps. Part number 90652800000 fits right on the pump shaft where it comes out of the housing. It stops oil from leaking out along the spinning shaft. It also keeps air from getting sucked in. If you see oil dripping from the front of your pump, this is likely the part you need. It fits many U4.70 and U4.100 models.
Not a member? Create an account
Already got an account? Sign in here
