This is the Busch Aluminum Sealing Ring for Becker U Series pumps (Part #94801310000) . Despite the “Busch” name, this sealing ring is used on many Becker U Series pump models including U4.165, U4.190, U4.250 (with E and F variants), and U4.20
Becker U4.20 pump sealed tight with this Dowty seal. It measures 18.5 mm outer diameter, 11.8 mm inner diameter, and 1.5 mm thick. A Dowty seal is a special type of washer that combines a metal ring with a rubber insert. It creates a leak-proof seal on threaded connections. Designed specifically for the Becker U4.20 pump.
This Dowty Seal, 18. 5 x 11. 8 x 1. 5 mm is used on Becker brand of U Series family’s U4. 20 pump models.
Becker U4.20 pump clean and environmentally friendly with this Exhaust Filter (Part# 96541300000). This is an oil mist separator, also called an oil separating element . It removes oil from the exhaust air of your oil-lubricated rotary vane pump. It fits the Becker U4.20 pump model and all its index versions . If you are doing routine service, this is the exact part you need.
this Filter Cartridge (Part# 84040105000). This paper filter cartridge catches dust and dirt before they enter your pump. It is designed specifically for the Becker U4.20 pump model . This filter is also used in the F10 external canister filter housing and is included in the U4.20 Major Overhaul Kit . If you are doing routine service, this is the exact filter you need.
Filter Cartridge is used on the pump family of Becker U Series U4.20 pump model.
This is the filter cartridge for Becker U Series vacuum pumps. Part #74000101000 fits U4.20 and U4.40 models . It uses paper filtration media and catches 99% of particles as small as 2 microns . A clean filter keeps your pump running smoothly and efficiently.
10 in stock
This is a replacement Gasket for Becker U Series vacuum pumps, specifically for the U4.20 pump model (Part #00310040300) . It creates a tight seal between pump components to prevent air and oil leaks. This gasket is also included inside the complete Seal & Gasket Kit for U4.20 pumps (Part #54900040300)
Becker vacuum pump running at its best with this Gasket (Part# 300040300). It is made specifically for the Becker U Series family, especially the U4.20 pump model. This part creates a tight seal between pump components, stopping air leaks and keeping your vacuum strong .
This is the Major Overhaul Kit for the Becker U4.20 pump (Part #33805600000) . It includes everything you need for a complete pump rebuild: O-rings, gaskets, shaft seals, exhaust filter, bearings, coupling components, vanes (3 pieces), and float assembly . This “Complete Rebuild Kit” brings your U4.20 pump back to factory specifications and is designed for when your pump requires more attention than standard maintenance to make it run like new again
This is the Seal & Gasket Kit for the Becker U4.20 pump (Part #54900040300) . It includes every gasket, O-ring, sealing ring, and valve washer you need for a complete seal replacement on your oil-lubricated U Series pump . This Becker Original Gasket Set allows you to change all gaskets and seals in the U4.20 pump . The kit contains gaskets (00310040300, 00300040300), O-rings (Viton and Buna in various sizes), copper and aluminum sealing rings, fiber sealing rings, Dowty seals, and valve washers .
10 in stock
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. .
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.
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
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)
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