U Cup Seal

An 6226 buna n u cup seals.

U cup seal.

Speak with a product expert. The u shape energizes the sealing lips as the application pressure increases. When compressed between mating surfaces an o ring blocks the passage of liquids or gases. Many different u cup configurations exist to properly seal that demanding application.

The u cup is ideal for use on linear moving shafts and piston heads because unlike an o ring the shape does not try to roll with the movement and create friction. These u cup seals create less friction than o ring loaded u cups so they wear more slowly also known as lip seals u cups have a sealing lip on both the inside and outside edges so they can be used for rod and piston sealing. U cup seals or u ring seals are commonly used in linear applications to seal the rod or piston. 6226 epdm u cup seals.

Contents introduction 1 seal selection 2 profiles 3 part numbering 4 specifying a seal 5. Loaded u cups non loaded u cups hydraulic or pneumatic u cups mfp. They are used for both dynamic and static applications. Order o rings online quick and easy since 2007 from the o ring store llc.

Dual rod and piston seals sometimes called u ring u seals or unloaded u cups are universal seals used in hydraulic applications. Liquid or air pressure inflates the u cup and affects a seal. A u cup is an o ring formed into a u shaped channel. Enable the u cup to have a longer life expectancy.

Mfp offers a wide range of u cup designs and produces them from a broad range of materials. U cups are a lip seal named for the cross section s distinctive u shape. Rubber cup seals also called u cup and lip seals from marco rubber are used for hydraulic pneumatic and other dynamic applications. They are used in static and dynamic applications to seal the rod and piston.

An o ring is a solid rubber seal shaped like a dough nut or torus. Hsu 626 straight lip u cups.