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A Coanda screen is a specialized wedge wire intake screen designed to separate water from debris such as leaves, sediment, and aquatic life. It is installed at water intakes—such as rivers, streams, or dam outlets—to provide clean, filtered water for downstream applications. Coanda screens are an innovative solution widely used in hydropower plants, irrigation systems, water intake structures, and wastewater treatment facilities. Known for their self-cleaning ability and efficiency in filtering debris, they rely on the Coanda effect—a natural hydraulic principle that allows water to adhere to a curved surface. The Coanda Screen Working Principle So, how does a Coanda screen work? ▪ Water Flow Over the Weir Water is directed over a sharp crest or weir and flows onto the screen surface. ▪ The Coanda Effect in Action Due to the Coanda effect, the water clings to the curved screen surface, following its slope rather than separating immediately. ▪ Separation of Water and Debris Water pass...

Wedge Wire River Intake Coanda Screen : An Advanced Water Filtration Solution Used in Hydro Power Plant ✔ Hydropower plants rely on a consistent and clean water supply to generate electricity efficiently. ✔ The wedge wire Coanda screen filters river water before it enters the system, ensuring optimal performance and reducing maintenance costs. ✔ Designed for hydropower water intake filtration while minimizing environmental impact and operational disruptions. The wedge wire river intake Coanda screen uses the Coanda effect to divert water while efficiently removing debris and unwanted particles. Made from stainless steel wedge wire, these screens are engineered to handle high flow rates while preventing clogging and ensuring a steady water supply to the hydro turbines. Key Features of a Coanda Intake Screen • Self-Cleaning Mechanism: The Coanda effect naturally washes debris away, reducing maintenance needs. • High Efficiency: Capable of filtering fine particles and ensuring a clean w...

We provide various types and sizes of Johnson intake screens used to filter debris and aquatic organisms of varying sizes from raw water sources such as rivers, lakes, streams, and oceans. Email: admin@steellong.com Vee Wire Screen Structure Our Johnson intake screens comprise non-clogging V-shaped wires, offering a high open area while ensuring minimal inlet velocity and pressure drop. This provides maximum water capacity while minimizing entrainment and impact. Corrosion-Resistant Material Our intake screens are manufactured with sturdy materials such as stainless steel, and other corrosion-resistant alloys. The screens are suitable for use in harsh corrosive environments. Customization for Every Need With customizable options available, including screen size, material, and configuration, Johnson intake screens can be tailored to meet your specific requirements, ensuring seamless integration into your existing infrastructure.  Contact us anytime to customize a Johnson intake s...

A Coanda screen is a type of water intake screen used in hydroelectric power plants, water treatment plants, and other industrial applications. It is designed to prevent debris, such as leaves, sticks, and fish, from entering the intake pipes and causing damage to the equipment.  Principle of Coanda Screens The Coanda screen operates by utilizing the Coanda effect, which is the tendency of a fluid to adhere to a curved surface, to direct the flow of water towards the screen. Material of Coanda intake screen The Coanda screen also referred to as the Coanda intake screen, is typically constructed from durable materials such as stainless steel and is designed to be easily cleaned or replaced as required. The size of a Coanda screen is determined by the specific application and the flow rate of the water being screened. Benefits of Coanda screen The Coanda intake screen offers several benefits in industrial applications. 1. Efficient debris removal: The Coanda effect allows the scree...