Kraftwerk Union Aktiengesellschaft

Frederik E Heuckelbach

Robert Weber

Jakob Weber

Repair plug for sealing heat exchanger tubes, including a closure plug part being tightly connectable to a heat exchanger tube and having an end for insertion into the heat exchanger tube, and a polisher plug part disposed on the insertion end of the closure plug part axially in front of the insertion end in insertion direction thereof forming a single structural unit with the closure plug part, the polisher plug part remaining in the sealed heat exchanger tube after completing the tight connection.

Growing community of inventors

Heinkenszand, Netherlands

Frederik E Heuckelbach