welding-alloys.com 3 7. Kaplan blade CAVITALLOY preventive hardfacing improves the durability of Kaplan blades by increasing resistance to cavitation and erosion, helping maintain blade geometry and reducing maintenance intervals. 8. Discharge ring TETRA 309L-G or CAVITALLOY cladding enhances discharge ring longevity by reducing cavitation and corrosion wear, offering a stable and durable protective layer for continuous operation. 6. Deflector HARDFACE AP-G work-hardening alloy or CAVITALLOY protect Pelton deflectors against severe erosion, pressure peaks and cavitation, ensuring stable flow control and reliable operation during load variations. Valves STELLOY cobalt alloys provide a durable hardfacing solution for hydropower valves exposed to pressure, turbulence and metal-tometal contact. 9. Guide vane wicket gate Wire arc spray coatings rebuild worn guide vane and wicket gate surfaces, improving protection against metal-to-metal wear and corrosion while restoring correct operating clearances. turbine Kaplan turbine 9 8 7 4 Back to contents page
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