Case study: LTE, New Builds, Nuclear, Service & Support

Orbital tig welding of duplex pipes in mining shafts

Description

A mine needs to remove extensive amounts of corrosive water. The water needs to be pumped out of the mine 700m under earth. A duplex pipe shaft was welded with Orbital tig welding in order to minimize potential human welding errors due to the sensitive application. One single welding failure will stop the advanced lowering procedure of the duplex pipe.

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Problem

A mine owner needs to remove extensive amounts of corrosive water from the bottom of the mine shaft. The water needs to be pumped out of the mine 700m under earth.

Solution

A duplex pipe shaft was welded with an orbital tig welding solution in order to minimize potential human welding errors due to the sensitive application. One single welding failure would stop the advanced lowering procedure of the 700m long duplex pipe.