U Cup Seal Design Guide

Wear rings guide the rod and piston to prevent uneven wear and optimize seal performance.

U cup seal design guide.

Rod seals maintain the pressure inside cylinders and prevent fluid from leaking out. Rod seals maintain the pressure inside cylinders and prevent fluid from leaking out. Wear rings guide the rod and piston to prevent uneven wear and optimize seal performance. Seals for additional recommendations.

In addition to providing superior sealing in vacuum low and high pressure applications the polypak seal offers a number of distinct advantages over conventional symmetrical or non symmetrical u cup seals including. Head seals are a more reliable alternative to the standard o ring backup ring combination they resist twisting. This brilliant design has been modified to create several unique configurations. U cup seals or u ring seals are commonly used in linear applications to seal the rod or piston.

Rubber seals sealing devices o ring seal design apple. Mfp offers a wide range of metric u cup designs and produces them from a broad range of materials. Hydraulic sealing solutions for fluid power applications have become a priority in our continued product offering. Head seals are a more reliable alternative to the standard o ring backup ring combination they resist twisting.

Rod wipers scrape dirt dust and moisture from the rod preventing contamination inside your cylinder. The u shape energizes the sealing lips as the application pressure increases. Chamfers are used as a guide to aid seal installation. Surface finishes that are too high or too low can reduce seal life.

The o ring store offers an assortment includes rod piston and wiper seals as well as guides o rings and back up rings. Rod wipers scrape dirt dust and moisture from the rod preventing contamination inside your cylinder. Many different ucup configurations exist to properly seal that demanding application. 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.

U cups are a lip seal named for the cross section s distinctive u shape. Fluid power seals sizes readily available in a multitude of materials to provide optimal compatibility with the various hydraulic fluids encountered in service. The a dimension shown below will allow the o ring loaded u cup to enter a cylinder bore and should be the minimum width designed.