Arrangement e.g. for sealing high pressure boring, has pressure and has bore with comprehensive expander plug provided in bore and within bore are additional plugs which consist mainly of much harder material than expander plugs

摘要

The arrangement for sealing has a pressure and has a bore (1), a comprehensive expander plug (2) is provided in the bore (1). Within the bore (1) are additional plugs (3). The plugs (3) consist mainly of a much harder material than the expander plugs (2) such as hard metal or ceramic material.