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Kaprun

2016-09-29 | 

Replacement of a penstock for the Kaprun pumped storage plant in Austria: 3 pipe segments with lengths of 2 meters were prefabricated in the workshop (2 seams SAW welded). On site, the installation was carried out using the TIG-hot wire process. The transmission line to the turbine has a length of 25 meters, and the bifurcator a length of 38 meters. The total length of the penstock, consisting of 4 lines, is 8.9 km, whereof 7.7 km are installed in the cavern.

Replacement of a penstock for the Kaprun pumped storage plant in Austria: 3 pipe segments with lengths of 2 meters were prefabricated in the workshop (2 seams SAW welded). On site, the installation was carried out using the TIG-hot wire process. The transmission line to the turbine has a length of 25 meters, and the bifurcator a length of 38 meters. The total length of the penstock, consisting of 4 lines, is 8.9 km, whereof 7.7 km are installed in the cavern. 

Year

2001

Country of installation

Austria 

Industry Segment

Power generation /  Hydro power

Components

Penstock replacement using high-strength base material S690 Q 

Base materials

  • S 690 Q
  • ASTM A514

 

Dimensions:

  • Diameter 2300 mm, wall thicknesses  32–62 mm

 

Products:

  • BÖHLER 3 NICRMO 2,5-UP
  • BÖHLER BB 24