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    Innovative two-way fish passage systems

    at unbeatable prices

  • Many configurations available

    for virtually any situation

RONAMIC two-way fish passage weir guarantees safe fish passage in both directions, while still serving as a regular weir for altering the water level and flow characteristics. Thanks to its innovative design and constructional simplicity, the RONAMIC weir is currently the most cost-efficient fish passage solution available for artificial water barriers such as weirs, dams, etc.

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  • One-way and two-way modifications

  • Basic configuration requires no power supply

  • Pumping option (requires power supply)

  • Remote control option for automatic flow and level regulation

Through the decades, a large number of fish passage systems has been developed. While most of them provide a safe and effective fish passage, the complexity and size of these systems turn them into a serious capital investment. At RONAMIC we felt that the trade-off between the environmental concerns and the price of coping with tem could be significantly reduced. The result is the 100% fish-friendly RONAMIC two-way fish passage weir.

 

RONAMIC two-way fish passage weir guarantees safe fish passage in both directions, while still serving as a regular weir for altering the water level and flow characteristics. Thanks to its innovative design and constructional simplicity, the RONAMIC weir is currently the most cost-efficient fish passage solution for artificial water barriers such as weirs, dams, etc.

RONAMIC fish passage weir is available in a number of configurations and modifications, making it suited for virtually any situation regarding the type of (migrating) fish, the required water flow and level characteristics, the specifics of the location and installation methods, etc.

 

One-way fish passage weir 

An effective low cost solution when passage in only one direction is required. The basic configuration requires no power supply. As an option, the rotors can sequentially rotate in both directions for a sequential two-way fish passage. This option requires power supply.

 

Two-way fish passage weir

This configuration is equipped with an innovative hollow steel rotor that enables fish passage in two directions, both stream downwards and upwards. The basic configuration requires no power supply.

 

All basic configurations can be additionally equipped with a pumping option and a remote control option for automatic flow and level regulation (both options require power supply).

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