Wiper seals are shaft seals used to keep contaminants from entering a reciprocating system.
Rod Seals are shaft seals used to keep fluid inside of a reciprocating shaft system.
Piston Seals are cylinder seals used to keep fluid from by-passing the piston.
Wear Rings keep components aligned with the cylinder bore and allow for side loading of the assembly.
O-Rings are round cross section circular rings used to seal fluids or gasses.
Back-up Rings allow O-rings and u-cups to withstand higher pressures.
Rotary Seals are Rod or Piston seals that withstand rotary motion and high pressures.
Oil Seals are shaft seals that keep low pressure fluids inside of a system with a rotating shaft.