An Axial Seal, also known as a Wiper Seals, creates a seal and allows a reciprocating shaft through the seal's bore. Wiper seals can contain fluid and prevent dirt from getting into a reciprocating shaft mechanism.
Wiper Seals, also known as Scraper Seals and Dust Seals, were created to protect hydraulic systems from contaminants. The seal has wiping lips that clean any dirt, dust or moisture off the cylinder's rod during each cycle.