Device for sealing protective gases for molding chambers in pipes to be welded comprises two or more seals inserted into the tubular sections to be sealed and connected to each other on the protective gas inlet and outlet

摘要

Device for sealing protective gases for molding chambers in pipes to be welded comprises two or more seals (1) inserted into the tubular sections to be sealed and connected to each other on the protective gas inlet and outlet using a detachable securing device.