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Schreiber bar screen installation

The Schreiber Wastewater Bar Screen performs a complete job of removing screenings from the wastewater and placing them into a container for disposal. Using a rugged screen to remove large, potentially hazardous materials, the wastewater bar screen is the right tool for shallow-depth coarse screening.

The rake and bar rack are constructed of 304 stainless steel, and the unit cover is fabricated aluminum. An endless chain running on UHMW polymeric guides precisely controls the rake arm. The rake engages the bars of the screen at the bottom of the channel and the downstream side to prevent jamming, while a float switch and timer control the unit’s automatic operation. The entire mechanism is located above water level for ease of service without dewatering.

The bar screen fits channels up to 4’8″ in depth and is available in sizes from 15″ to 48″ in width, with flow rates up to 16 MGD. The standard size of the unit’s screen openings is 5/8″ (1/2″ and 3/4″ opening options are available).


  • Wastewater headworks 
  • Shallow-depth coarse screening

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Features & Benefits

Reduced Maintenance

Screen located above channel
to ease water serviceability

Reduced Maintenance

No conveyor necessary,
allowing screenings to be dumped directly into a container

Improved function

Back-cleaned screen
prevents jamming

Reduced Maintenance

Few moving parts
allow for low maintenance

Cost Savings

Shipped fully tested and assembled
to ease installation and reduce construction and startup time

Water drop

Robust design
increases installation life (units in operation 20+ years) and durability

Improved function

Low height
accommodates installation in buildings with normal head room

Reduced Maintenance

Stainless steel bar and racks
provide protection against corrosion


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