STEEL CASTINGS
FOR HYDROELECTRIC PLANTS
Over the years Gsa has specialized in the production of high quality castings for the hydroelectric market. The excellence of its products and related services is recognized worldwide especially in this sector.
The range of castings made is composed of Francis, Pelton, Kaplan blades and turbine accessories such as guide blades, nozzle holders and more to complete the system. Pieces that are supplied finished and balanced, subject to the most scrupulous inspections, ready for assembly in the control unit.
CASTINGS WITH SAND CASTING PROCESS
Hub
Mat: 1.4317
Weight: 250 kg
Nozzle
Mat: G20MN5
Weight: 500 kg
Wicket gate
Mat: 1.4317
Weight: 50 kg
Deflectors
Mat: ASTM A743 CA-6NM
Weight: 60 kg
Kaplan blade
Mat: 1.4317
Weight: 40 kg
Wicket gate
Mat: 1.4317
Weight: 130 kg
Runner hub
Mat: 1.4317
Weight: 175 kg
Deflectors
Mat: 1.4317
Weight: 20 kg
CASTINGS WITH CERAMIC CASTING PROCESS
Francis runner
Mat: ASTM A743 CA-6NM
Weight: 500 kg
Francis blades
Mat: ASTM A743 CA-6NM
Weight: 3 kg
Pelton blades
Mat: 1.4317 GX4CrNi13-4
Weight: 15 kg
Pelton runner
Mat: ASTM A743 CA-6NM
Weight: 400 kg
Francis runner
Mat: 1.4317 GX4CrNi13-4
Weight: 600 kg
Francis double aspiration
Mat: 1.4317 GX4CrNi13-4
Weight: 900 kg
Pelton runner (dye penetrant test)
Mat: 1.4317 GX4CrNi13-4
Weight: 520 kg
Francis runner
Mat: 1.4317 GX4CrNi13-4
Weight: 800 kg
Francis runner
Mat: ASTM A743 CA-6NM
Weight: 1100 kg
Francis runner
Mat: ASTM A743 CA-6NM
Weight: 1100 kg
Francis runner
Mat: ASTM A743 CA-6NM
Weight: 700 kg
Pelton runner
Mat: ASTM A743 CA-6NM
Weight: 1300 kg
CASTINGS WITH LOST WAX CASTING PROCESS
Wicket gate
Mat: A743 CA-6NM
Weight: 12 kg
Pelton blade
Mat: ASTM A743 CA-6NM
Weight: 1 kg
