Fish Protection Traveling Water Screen

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Fish Protection Products for Large Water Intake Systems - Power Plants

  • Up to 50% lighter basket design reduces hanging weight, motor torque, wear and maintenance requirements. Corrosion resistant materials provide longer life and less maintenance cost compared to conventional steel baskets. Can withstand over 10 feet of differential head
  • Long lasting, dependable operation.
  • Independent lab testing of over 19,000 fish across 10 species reported mortality rates less than 5%
Discontinued product
evoqa

Fish Protection Products for Large Water Intake Systems - Power Plants

  • Up to 50% lighter basket design reduces hanging weight, motor torque, wear and maintenance requirements. Corrosion resistant materials provide longer life and less maintenance cost compared to conventional steel baskets. Can withstand over 10 feet of differential head
  • Long lasting, dependable operation.
  • Independent lab testing of over 19,000 fish across 10 species reported mortality rates less than 5%
Discontinued product
Fish Protection Traveling Water Screen

Description

Utilizing an Evoqua® Modified Traveling Water Screen with non-metallic baskets, independent lab testing of over 19,000 fish across 10 species reported mortality rates less than 5%.

EPA Section 316(b) of the Clean Water Act requires the location, design, construction and capacity of cooling water intake structures reflect the BTA for minimizing adverse environmental impact. As pioneers in the industry over 30 years ago, we developed a capture and release method of handling fish, in conjunction with Dr. Joseph D. Ristroph. A decade later, we developed an improved system with help from Dr. Ian Fletcher known as the Modified Ristroph design. We create environmentally-friendly designs and save fish and other aquatic life, not because we have to, but because it's the right thing to do.

Our traveling water screens prevent the entrainment of aquatic life in large, raw water intake systems. Fish, their larvae and other aquatic life are kept from impingement with our patented impingement-prevention designs. Evoqua's traveling water screens (TWS) and their housing structures are used in large water intake channels for power plants, pulp and paper plants and other manufacturing processes that utilize large water intake systems.

Features

Features

  • EPA compliant and recognized BTA non-metallic modified Ristroph baskets
  • Robust framework able to handle high differential loading and is designed to operate continuously 24/7
  • Molded fish bucket minimizes turbulence due to a cross section not featured in conventional steel fish baskets
  • "Fish friendly" Smooth-tex® flat wire screen mesh to prevent descaling
  • Low pressure wash to gently assist in the removal of fish prior to high pressure debris spray
  • Fiberglass housings containing custom debris and fish return troughs
  • Control systems with variable speed drive for lower operating costs
  • Optional built-in pump reduces water requirements and footprint
  • Optional fine mesh design available

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