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The C3R rod seal is a compact seal with the smallest possible installation dimensions. The aim is to create a smooth-running low-pressure seal that can also be used in pneumatics, depending on the material. Thus, the C3R has an excellent sealing effect with a simultaneously small profile height and width. The short contact surface on the dynamic sealing lip results in low friction. The C3R can also be used as a single-sided rotor seal. Support or retaining rings in the groove are not necessary due to the design. When used in pneumatics, lubricated air is required. Special installation proposals are available on request. For use in non-lubricated air we recommend profile E5R, with round sealing edge.
Hydraulic oils based on mineral oil, in pneumatics lubricated compressed air
Standard material: NBR with hardnesses of approx. 70 to 85 Shore A. Special materials are available for high and low temperature applications.
This seal is very easy to insert into closed grooves by kidney-shaped deformation from 25 mm nominal diameter, below this an open groove design is recommended depending on the position and seal cross-section. The oversize on the outer diameter gives the seal a tight fit in the groove, and the nominal dimension of the sealing lip is thus only achieved after installation. In special applications (high temperature, speed, specific pressure load or use in water, HFA, HFB fluids etc.) please contact our application engineering department. * Depending on material and profile width.
Profile C3R is particularly suitable for piston rods, plungers, spindles and valve tappets, as well as for slow-running compressed air rotors. When specifying the seal for a particular diameter, it is preferable to select the one with the largest cross-section.
Do you need support in selecting the right seal or do you have any questions? We will be happy to help you directly!