U Cup Seals

Contents introduction 1 seal selection 2 profiles 3 part numbering 4 specifying a seal 5.

U cup seals. Using these criteria throughout the selection process will ensure the desired sealing requirements of the application will be met i e. Many different u cup configurations exist to properly seal that demanding application. U cup seals or u ring seals are commonly used in linear applications to seal the rod or piston. Order o rings online quick and easy since 2007 from the o ring store llc.

Also known as type b seals loaded lip seals and polypaks these u cups are wider than our other o ring loaded u cup seals for better stability and fit in wider grooves. When compressed between mating surfaces an o ring blocks the passage of liquids or gases. Symmetrical metric u cup seal u cup seal 4mm id x 10mm od x 4 5mm ht high temp urethane seal excellent wear and abrasion resistance up to 5000 psi applications symetrical lip design they can be used in rod or piston applications price is. When selecting the proper u cup for an application many design elements and general guidelines must be considered.

Hru 666 block vee u cups. An o ring is a solid rubber seal shaped like a dough nut or torus. 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. Enable the u cup to have a longer life expectancy.

An 6226 buna n u cup seals. Loaded u cups non loaded u cups hydraulic or pneumatic u cups mfp. Hydraulic u cup metric 4mm id x 10mm od x 4 5mm seal price for 1 pc. Hsu 626 straight lip u cups.

U cup selection criteria hi tech seals offers an extensive selection of u cup designs. An o ring secures them to the rod or piston preventing leaks at low pressure and as the seal wears. 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. Liquid or air pressure inflates the u cup and affects a seal.

6226 epdm u cup seals. A u cup is an o ring formed into a u shaped channel. 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.