Passive Intake Screen

Passive Intake Screen

Many years after inventing Vee-Wire®, we at Johnson Screens leveraged this technology to introduce a new innovation in 1968: our passive intake screen. 50+ years and over 4,000 installations later, we continue to lead the way in static intake screening equipment.

Johnson Screens passive intake screens provide uninterrupted water withdrawal from rivers, lakes, and oceans. Initially, our High-Capacity intake model set the industry standard when it came to efficiency. The combination of our non-plugging Vee-Wire® design and our patented internal flow modifiers provided a high open area while maintaining the lowest entrance velocity and pressure drop on the market. Additionally, our passive intake screens have no submerged moving parts that could break down or wear out and incorporate the use of the Hydroburst air backwash cleaning system, guaranteeing minimal maintenance.

When the industry demanded a shallow water screen, we developed our Half-Screen model to function identically to the High Capacity screen but with half of the required water depth. Most recently in 2018, we improved upon our existing models to design the Max-Flow™ intake system. With 40% greater flow capacity than previous models and a newly redesigned internal modifier, the Max-Flow™ is the culmination of over a half century of passive intake expertise.

Available in a variety of materials including stainless steel, super duplex, and NSF-certified Z-Alloy, every system is fully compliant with Section 316(b) of the Clean Water Act, and is a proven fish-safe intake solution that reduces impingement while protecting aquatic life. Fit for use in power plants, desalination processing, cooling stations, and so much more, Johnson Screens passive intake systems are the clear choice across industries.

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Full Flow Intake:

Round Passive Intake System

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Half Intake Screen:

Lower profile passive Intake System, works in low water depth applications.

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Zebra Mussel resistant material.

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An Eco-Friendly Solution to the Zebra Mussels Problem

Johnson Screens introduced an innovative approach to combat the Zebra Mussel infestation, which is detrimental for water intake systems.

We created an eco-friendly solution by introducing water intake screens constructed with patented Z-Alloy wire.

Since the first installation in the J.H. Campbell Power Plant in 1993, we’ve seen the effectiveness of the Z-Alloy design provide years of Zebra Mussel protection.

    Related Applications:

  • Water Intake
  • Municipal Water
  • Food and Beverage
  • Pulp and Paper
  • Mining
  • Power
  • Agriculture

Give us a call today at 604-878-8092. Let’s discuss your unique application needs.

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