Also known as loaded-lip seals and PolyPaks, an O-ring secures these U-cups to the rod or piston for better sealing performance at lower pressures than unsupported U-cup seals.

These seals have a beveled lip that optimizes contact against the rod, while a secondary lip keeps the seal stable.

Replace the standard O-ring/backup ring combination with a more reliable alternative—these head seals resist twisting and remain stable even in applications with fluctuating pressure.

These rod wipers are also known as U-type wipers.

Replace wipers in open-groove cylinders—these wipers have an integral steel case so they press fit into the groove around the rod.

More abrasion resistant than Buna-N O-rings, these also resist mineral oil and motor oil.

Use these polyurethane balls as seals in pumps and check valves or let them bounce inside of vibrating sifters for an effective screen cleaner. They are made of polyurethane, which combines the shock absorbing qualities of rubber with the strength of plastic.