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The KB01 profile is an asymmetric single acting/uni-directional hydraulic piston u-cup seal. The seal has a shortened dynamic lip which offers improved low friction sealing and compression set characteristics in comparison to standard symmetrical u-rings.
The seal has an interference fit along the inside diameter to ensure a stable fit in the housing and to provide a tight static seal across the inside diameter.

The KB01 profile is available in several of DMR’s high performance materials to provide the designer or repairer with exceptional extrusion resistance, low compression set and outstanding wear properties.