Rotary seals are designed to seal the pressurized hydraulic fluid against the atmosphere, preventing leakage and pollution of the environment or to transfer liquids and/or gases from a stationary part into or out of rotating machinery.


ð    The profile is designed with interference on the OD which provides a good static fit, preventing the entry of humidity and other contamination via the outside diameter.

ð    Solid version of OS01 profile for closed housings.

ð    Tension spring for increasing the bonding force.

ð    Not suitable for high pressure from the trailing side.


Pumps, electric motors, swiveling cylinders, etc.

Max. pressure 0,5 bar, max. speed: PU 5 m/s; NBR 10m/s; FPM 25m/s.


snap-in installation

surface quality

surface roughness

Rtmax (μm)

Ra (μm)

sliding surface 6,3 1,6
groove face 15 3

tolerance recommendation

tolerances [mm]
L + 0.2
ø NA H8
ø NI f8