Step Screens

The Step Screen operates by allowing wastewater to flow through a series of fixed and movable lamellae arranged in a stepped configuration. As solids accumulate on the steps, the movable lamellae lift the screenings upward in a stepwise motion, depositing them into a discharge chute. This self-cleaning mechanism ensures continuous operation without the need for additional cleaning systems.

Model

VectraSS

Design: Alternating fixed and movable lamellae forming a stepped screen
Slot Widths: 3 mm and 6 mm (customizable)
Installation Angle: 50° to 75°
Material of Construction (MOC): SS 304 / SS 316L
Drive System: Motorized linkage drive with self-cleaning mechanism
Optional Features: Enclosed design for odor control, integrated screenings washer-compactor

Use

Step Screens are employed in municipal and industrial wastewater treatment plants for fine screening at the inlet works. They effectively remove fine and coarse suspended solids, protecting downstream equipment and enhancing overall treatment efficiency.

Description

Key Advantages:

High separation efficiency due to narrow slot widths and screenings carpet effect
Self-cleaning design eliminates the need for brushes or spray systems
Robust construction with all components above water level for easy maintenance
Low head loss and energy consumption
Flexible installation suitable for various channel widths and depths
Optional enclosures for odor control and improved hygiene

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Step Screens

Model

Use

Description

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