Stainless Steel Turbine Runner RepairBack to
||Ontario Hydro Saunders Generating Station|
||Utility Power Generation|
Epoxy Coat™ 7000 AR
These turbine runners would receive extreme cavitation wear from the high volume flow of water. Cavitation on runners causes secondary problems such as vibration and off balancing. Runner replacement cost was estimated to be 50K
The complete repair area was first roughened using a grinder and wire wheel attachment. Repair surfaces were then chemically cleaned using Cleaner Blend 300. Ceramic Repair Putty was applied rebuilding missing eroded metal. Ceramic Repair Putty was smoothed and feathered using acetone following gel point. Following a full cure of Ceramic Repair Putty, (16 hours), Ceramic Repair Putty was sanded to a smooth finish. Devcon's repair cost was 400.00.