Presenting a truly unique yet incredibly effective solution to the separation of light and heavyweight materials from one another, the Screenpod Hydra line of water density separators provide exceptional performance and outstanding capability from a functionally intense package like no other, featuring a wide range of settings that ensure the machine can be tailored to suit a vast array of different applications, allowing processing of the toughest and most challenging material streams.

Available as either a tracked or static version, these machines offer high throughput with low operating costs, offering a significantly faster method of separation than manual sorting, as well as improved quality of materials produced and even providing the ability to extract materials that can be sold for recycling to create new revenue streams, all from a package that is fast & easy to set up with a clear and straightforward user interface for simple operation.

Hydra FS1400 Flotation Separator

  • Large Capacity Water Tank for material separation
  • Can handle material ranging from 10mm to 150mm in size
  • Rotating brush/paddle conveyor for light material removal
  • Wide, folding conveyor to carry heavy material out
  • Dual heavy-duty augers for sediment and fines removal
  • Rotary brush for cleaning heavies’ conveyor
  • Water jets for improved material separation and preventing sediment build up
  • Side mounted sediment tank with removable filter elements for easy cleaning
  • Float valve on inlet water supply to keep tank topped up during operation
  • Wide hopper lined with wear plates
  • Electrical control panel with clear layout for straightforward operation
  • Walkways with ladders for service access
  • Removable doors on main tank for maintenance
  • Water hoses fitted with quick couplers for easy removal and maintenance
  • Powered from 32A 50/60Hz electrical supply


  • Outstanding separation of lights and heavies from material streams
  • Can reduce and ultimately replace need for manual sorting of various materials
  • Improves quality of processed materials produced
  • Significantly faster method of separation than manual sorting
  • Higher rates of recycling and larger volumes of extracted material
  • Can remove materials that can be sold for recycling to create new revenue streams
  • Reduce amount of waste destined for landfill, lowering disposal costs
  • Low dust emissions from water soaked output materials
  • High throughput and low operating costs
  • Variable settings to suit a wide range of applications


  • Construction & Demolition Waste (C&D)
  • Commercial & Industrial Waste (C&I)
  • Household Waste Processing
  • Glass Recycling
  • Wood recycling
  • Metal Recycling
  • Aggregate Clean Up
  • Landfill Mining & Reclamation
  • Plastics Recycling
  • Trommel Fines Clean Up

How it Works:

  • The machine is known as a flotation separator, which can separate low density material, such as wood and plastic, from high density material, such as stone and concrete.
  • A mixture of heavy and lightweight material is fed into the top of the machine via a conveyor. As the material falls into the water, the buoyancy of the water causes the lightweight, low-density material to float to the top, whilst the heavyweight, high density material, sinks to the bottom.
  • A conveyor at the base of the tank takes the heavy material out one side, whilst the brush conveyor skims the lightweight material off the surface of the water and takes it out the other side, thus separating the two material types from one another.
Waterbath How it Works

Water Density Separation