Water/Wastewater Clarifiers & Thickeners
Column and Bridge Supported Clarifier Drives
Column and bridge supported drive units to match your application.

Suction Header Clarifier

Spiral Blade Clarifier

Suction Pipe Clarifier

Plow Blade Clarifier
Customized Clarifier & Thickener Solutions
Specializing in municipal and industrial applications, Sentry's (formerly RockWater Equipment) clarifiers, clarifier drives, and thickeners are the economical and reliable choice. Each clarifier and drive is backed by 100 years of manufacturing experience and can easily retrofitted to other manufacturers without losing quality. The welded clarifier bodies and custom programmed drives ensure that your operations maintain high efficiency while saving time and money.
Ready to take control over your return activated sludge (RAS) removal? Review our product offerings below or contact one of our professionals to find the right solution for your operations.

Used Equipment
Get your plant up and running quickly with Rebuild-its complete line of used equipment.