Manufacturers


Charter Machine Company’s decades of commitment to serving the wastewater and bio-solids management industry enables us to build and maintain mutually beneficial customer relationships for the betterment of water conditions in our environment. Charter’s engineers use the most innovative technology available to ensure that we are providing superior dewatering equipment.

Product List:

  • Belt Filter Presses
  • Conveyors
  • Polymer Systems
  • Royal Screw Press
  • Dewatering Trailers
  • Lime Post Treatment
  • Gravity Belt Thickeners
  • Rotary Drum Thickeners
  • Fine Bubble Diffusers
  • Sludge Baggers

Visit Charter Machine’s Website


The Fournier Rotary Press is the perfect fit for dewatering conventional sludges from municipal treatment plants as well as sludge from a wide variety of industrial applications. The benefits of using the Fournier Rotary Press are lower operating costs through it high performance, easy operation, reduced polymer usage, low power consumption, and low maintenance.

Visit Fournier’s Website.


GEA. Environmental decanters from GEA have been specially developed for applications in municipal and industrial wastewater for treatment of biosolids, sludge and manure. No matter the size of the facility, operators count on this engineered equipment to deliver the highest efficiencies. Featured technology can reduce energy consumption by up to 50% and provide first-class separation performance.

Visit GEA’s Website.


Komline-Sanderson designs and manufactures innovative solutions to wastewater treatment and sludge management problems facing municipal wastewater treatment facilities. Komline-Sanderson equipment and technology are used for clarifying wastewater to meet discharge regulations, reduce costly surcharges, or recover valuable products and water for reuse. Komline-Sanderson help customers reduce sludge volume by thickening, dewatering and drying, reducing disposal cost and impact. Thermal processing also converts some waste products to useful by-products or fuel.

Komline-Sanderson Solutions Include:

  • Belt Filter Press
  • Gravity Belt Thickener
  • Paddle Dryers
  • Dissolved Air Flotation
  • Rotary Vacuum Filter
  • Filtration Media
  • Plunger Pump
  • Process Filtration
  • Process Drying, Heating, and Cooling
  • Rotary Atomizers for Dry Scrubbing

Visit Komline-Sanderson’s Website


OR-TEC INC. specializes in the manufacture and sales of wastewater treatment equipment for the municipal marketplace. OR-TEC designs, manufactures, and markets high-quality sludge dewatering, chemical dosing, flotation, screening, and conveying equipment. Virtually every application of OR-TEC products is specifically designed to meet individual customer requirements and site-specific conditions.

OR-TEC Products Include:

  • Sludge Dewatering
  • Polymer Dosing
  • Flotation Systems
  • Screens
  • Headworks
  • Conveying

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Penn Valley Pump Co., Inc manufactures the rugged and reliable Double Disc Pump™ for municipal and industrial water and wastewater and industrial process applications. The pump has great solids handling capability and is typically used on higher viscosity sludges and slurries. The unique pump design does not rely on close tolerances to create flow providing for low life cycles cost.

Products benefits include:

  • Low friction – Low wear design
  • Runs dry without damage
  • No mechanical seals or seal water requirement
  • Low to No routine maintenance
  • Maintain-in-Place hinged housing design
  • Made in the USA

Visit Penn Valley Pump’s Website


SERPENTIX specializes in the design and manufacture of continuous path conveyors. Offering the three-dimensional continuous path™ conveyors, Three-Dimensional Conveying™ systems solve difficult bulk handling problems encountered in municipal applications. The unique capabilities of the Serpentix belt (and other design features of the various models offered) permit a single Serpentix conveyor to perform the work of multiple conventional conveying devices.

Serpentix Three-Dimensional Conveying Benefits Include:

  • No Idler Rollers
  • Positive Alignment
  • Low Maintenance
  • Adapts Easily to Existing Plant Layouts
  • Tear, Abrasion, and Chemically Resistant Belting Surface
  • Eliminates Transfer Points with Continuous Path Conveying

Visit Serpentix’s Website