Gravity Filters
Reliable Gravity Filtration for Municipal and Industrial
Water Treatment
For more than a century, Roberts Filter Group has delivered gravity filtration systems that communities and industries trust. From early U.S. municipal plants to today’s advanced treatment facilities, our filters are known for durability, efficiency, and long-term performance. Whether building a new plant or upgrading an existing one, Roberts gravity filters provide proven solutions backed by generations of expertise.
Why Gravity Filters from Roberts?
- Proven in the Field: Thousands of municipal installations worldwide, many in operation for decades.
- Engineered for Reliability: Designs tailored to local water conditions, with robust construction and ISO 9001-certified manufacturing.
- Ease of Maintenance: Thoughtfully engineered layouts and components simplify inspections, cleaning, and media replacement.
- Built to Last: With proper rehabilitation, Roberts gravity filters can continue performing for generations — saving utilities money and downtime.
Our technologies meeting todays as well as future regulatory requirments for clean water treatment standards.
Key Components & Options
Filter Underdrain Solutions
With underdrain solutions like Trilateral® SST and Infinity®, Roberts ensures every filter cleans evenly, operates more efficiently, and lasts for decades.
Learn More About Filter Underdrain Solutions
Auxiliary Wash Solutions
Improve backwash performance and water savings with the Aries® Managed Air System and Unisweep® surface wash agitators. These upgrades enhance cleaning and extend media life.
Learn More About Auxiliary Wash Solutions
Wash Water Troughs
Engineered troughs that promote uniform backwash flow and efficient solids removal.
Learn More About Wash Water Troughs
Instrumentation & Controls
Integrated monitoring systems track turbidity, headloss, and filter run times, ensuring compliance and optimization.
Learn More About Instrumentation & Controls
Filter Media
Complete range of sand, anthracite, garnet, and carbon media, supplied with full installation and changeout services.
Lifecycle Services for Gravity Filters
Roberts Filter Group doesn’t stop at equipment supply. Our team offers:
- Rehabilitation & Retrofits to modernize aging filters with new underdrains, wash systems, or controls.
- Inspections & Audits to diagnose performance issues and recommend upgrades.
- Media Changeouts
handled by experienced crews with minimal downtime.
Ready to upgrade or design your gravity filtration system?
Our experts will help you choose the right configuration and guide you through every step — from design to startup and beyond.
