U Cup Seal

Hsu 626 straight lip u cups.

U cup seal.

When compressed between mating surfaces an o ring blocks the passage of liquids or gases. 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. The u shape energizes the sealing lips as the application pressure increases.

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. 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. An 6226 buna n u cup seals.

Order o rings online quick and easy since 2007 from the o ring store llc. Hru 666 block vee u cups. 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. U cup seals or u ring seals are commonly used in linear applications to seal the rod or piston.

This brochure will take you through a variety of u cup related sealing products and materials while giving you some basic guidelines of sealing principles and theories to help you design for your unique needs. This brilliant design has been modified to create several unique configurations. Enable the u cup to have a longer life expectancy. A u cup is an o ring formed into a u shaped channel.

Speak with a product expert. Many different u cup configurations exist to properly seal that demanding application. Dual rod and piston seals sometimes called u ring u seals or unloaded u cups are universal seals used in hydraulic applications. They are used for both dynamic and static applications.

6226 epdm u cup seals. An o ring is a solid rubber seal shaped like a dough nut or torus.