Case Studies

Our customer was using two seals installed back to back and was having issues with leaks. It was found that the seals were occasionally installed such that the seals were not back to back - allowing for leakage. A double lip design was developed to fit in the same groove and provide fail safe... Read More...

Hydraulic cylinder manufacturers are constantly being challenged to provide product with dry running rods. Between government regulations and customer satisfaction, a solution was needed to improve the hydraulic rod sealing package.

Assembly is easy! The unique "D"-ring shape provides sealing in critical areas while reducing the chance of the seal being cut in installation. This hydraulic seal assures proper installation versus the traditional multi-component seals.

Parker P5065 polyurethane meets the performance demands of the agricultural equipment industry. Parker's P5065A88 low temperature polyurethane is formulated specifically for the agricultural industry. After carefully listening to the needs of leading agricultural cylinder manufacturers, Parker... Read More...

Carboxylated Nitrile (XNBR) is one of the many types of nitrile on the market today. It exhibits lower high temperature limits and warmer low temperature limits than standard nitrile materials. Reacting a nitrile base polymer with a carboxylic acid dramatically improves the wear resistance of... Read More...

Parker's innovative external coating, ParkerSlick, was designed to provide excellent adhesion and friction properties beyond that of standard PTFE coatings. It not only serves as an identification aid, but also reduces drag friction during installation and dynamic applications. Its uses are... Read More...

In vehicle and engine design, control of noise and vibration is a major issue concerning the migration of undesirable engine noises into the passenger compartment.

A major life sciences manufacturer was experiencing leakage around a plastic cover face seal. This caused the equipment in the enclosure to be exposed to moisture and dirt. This resulted in field failures and increased warranty claims.

A major medical equipment manufacturer was looking for a cost effective, long life solution for a pivoting joint in a hose pump application on a dialysis machine.

R. E. Purvis & Associates, Inc., in conjunction with Rotor Clip, offers a line of wave springs. A wave spring is made from coiled flat wire with waves added to give it a spring effect. Wave springs are superior to coil springs in certain applications because they provide lower work heights... Read More...

A major manufacturer of agricultural machinery replaced bronze bearings with iglide J plastic bushings from Igus to eliminate corrosion and increase life span on its potato planter.

When a manufacturer of mountain bike shocks and springs needed a bushing design for a coil shock, they needed a product that would handle all the rigors and pounding that their mountain bike enthusiasts could dish out.

R. E. Purvis & Associates, Inc., in conjunction with Parker Engineered Materials Group, offers a line of bearing protection seals called Pro Tech. Pro Tech is well-suited for caustic environments and offers superior bearing protection.