Retrofit &
Spare Parts Support
We provide retrofit services, replacement parts, and technical support for hydropower control systems, helping extend equipment life and improve operational reliability.
Retrofit & Spare Parts Support Product Portfolio
Reliable retrofit solutions and spare parts support for long-term equipment performance.
RES-2000
Speed Signal Device | Hydro Units
Intelligent speed and frequency monitoring device for hydro-generator units. Designed for automatic operation and protection systems, with signals collected from generator terminal voltage transformers and speed measuring gear discs.
Self-Centering Main Control Valve
Proportional Servo Valve + Servo/Stepper Motor
Large-flow 200 mm compound main distribution valve with independent dual-channel control. Supports proportional valve or servo/stepper motor actuation, automatic neutral return, manual operation, and high reliability with low maintenance.
GSQ Overspeed Limiter
Hydro Unit Safety Protection
Compact overspeed protection device for hydro-generator units. It enables emergency guide vane closure when abnormal speed rise and governor failure occur, helping ensure safe and reliable unit operation.
FDF Segmented Closing Device
Hydro Governor Protection Valve
Two-stage closing device for hydro-generator governor systems. It controls servomotor closing speed with fast and slow closing stages, helping prevent water hammer and improve unit operation safety.
Contact Us
Tell us about your hydropower or power control project. Our team will respond with support for governor systems, excitation systems, automation, retrofit solutions, spare parts, or technical service.