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Profile XB66 is a heavy duty compact double acting / bi-directional composite piston seal which consists of a main Hard PU sealing element and an elastomeric square section energiser. It operates as per our standard KB08D seal but has a rectangular energiser for use when the groove has become non-standard after repair.

The energiser provides positive compression onto the sealing element and provides an effective leak free barrier around the inside diameter of the seal groove.