Gravisand® Filtration System for Wastewater Effluent Polishing

Wastewater plant operators love the Gravisand® filtration technology.  Its unique features eliminate the regular headaches normally associated with conventional traveling bridge filters.  Such as

• Off-line downtime for maintenance on underwater mechanisms
• Off-line downtime for filter bed maintenance
• Filter media loss through the underdrain
• Migration of filter media to the ends of the tank
• Underdrain failure
• Bridge derailment
• Excessive backwashing

If you have these problems, take two aspirin and call us.  You don’t have to wait until the morning.

• Unique Tubular Underdrain
  Prevents media leakage and irreversible fouling
  
•  IAS System
  Provides maximum media cleaning without ancillary mechanical equipment
  
• No-Wear Backwash Shoe
  Eliminates seal face wear and side loading of the traveling bridge
  
• Indexing System
  Accomplishes superior cleaning by allowing the bridge to remain stationary at the index point
  
• Bolt-in Upgrade Option
  Conveniently retrofits ineffective filters to the Gravisand technology
  
• XCELL configuration
  Saves on installation and equipment costs by eliminating the need for cell dividers
  

Brochures
Gravisand Filtration Technology Makes Your Water Shine