Coanda Screens for Hydroelectric Plants (Coanda Hydro Screen)
Coanda Screens – High-Efficiency Self-Cleaning Water Intake
Coanda screens (Coanda Hydro Screen) are water collection and filtration systems designed for mini- and micro-hydroelectric plants, ideal for streams and waterways with variable flow rates and debris.
They exploit the Coanda effect: water adheres to the curved surface of the screen and passes through the calibrated slots, while leaves, sand, gravel, and coarse material are automatically expelled.
The result is a self-cleaning inlet, requiring minimal maintenance and maximum operational continuity.
Main advantages:
Effective separation of solids and sediments
Self-cleaning system with no moving parts
Reduction in clogging and downtime
Better protection of Pelton, Turgo, and Banki (cross-flow) turbines
Lower maintenance costs
High hydraulic efficiency and low pressure drops
Applications
Our stainless steel Coanda screens are suitable for:
mini hydroelectric plants
micro hydro and pico hydro
lateral intakes and diversion channels
retrofitting and revamping of existing structures
mountain sites with dirty water or water loaded with floating debris
Custom design
Each Coanda screen is sized based on:
flow rate, head, intake width, gap width, slope, and site conditions.
We design and build structures, frames, supports, and debris discharge systems in-house, ensuring a robust, simple, and long-lasting solution.
If you want a reliable water intake that “works by itself”, the Coanda grill is the smartest choice.
