Fixed Blade Kaplan Runner — Stainless Steel Hydro Turbine Runner The Fixed Blade Kaplan Runner (also known as a propeller-type runner) is a core component of low head hydro turbine systems. Unlike adjustable blade Kaplan runners, the fixed blade design features blades cast integrally with the hub, providing a robust, maintenance-free solution ideal for hydropower plants with stable water flow conditions. Manufactured by DSSD (Deyang Dongsen Hydropower Equipment Co., Ltd.),