ISO 9001 Certified Hydro Turbine Runner Our runner workshop operates under ISO 9001. From casting to final balance, each runner is inspected and documented so buyers receive a quality record with every unit. Technical Specifications Certification ISO 9001, CE, TUV Blade Configurations 3-10 Blades Efficiency 92% Material Stainless Steel ZG0Cr13Ni4Mo Key Features Manufactured under ISO 9001 quality control 3-10 blade configurations available 92% hydraulic efficiency Inspection