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Profile XB64 is a compact double acting / bi-directional composite piston seal used for media separation.

It consists of a low-friction PTFE sealing element an elastomeric O-Ring energiser and a low-friction elastomeric media separator seal located in the PTFE sealing cap.

The media separator allows the separation of two types of media, a fluid on one side and a gas on the other – situations normally encountered in piston accumulators.