Laveur à sables


ConWash is a compact grit washer carried out by a cyclone with a prewash and ConSep Grit Dewaterer.

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Benefits of ConWash sand washer

  • Combined separator and grit washer
  • Available in 4 different sizes up to 25 l / sec
  • Made of stainless steel
  • Washed sand reaches < 3% organic content
  • Above mentioned organic content is reached without top mounted agitator due to the cyclone effect created at the inlet



The grit separation tank is designed to be as small as possible but with high efficiency and with separation of grit down to a grain size of 0.20 mm. It is equipped with necessary connections for cleaning water and drainage. There is an inspection door and also the valves necessary for automatic operation.

Conveyor and shaftless screw

Shaftless screws have excellent dewatering properties and combined with the strong performance achieved an ideal solution for this application. The spiral is made of high quality material for long life. The trough in stainless steel is designed to clean and dewater the grit on the way up to the unloading.

Driving system

The conveyor’s driving system is designed for continuous operation.

Frame and legs

ConWash screw has an inclination of 35 degrees which will save floor space. Loading height can be varied to adapt to the container.

Control and electrical system

As an option a complete control cabinet can be chosen which is deigned for optimal operation of the unit. Solenoid valves, gauges and engine are controlled from the control panel with a possibility to operate the valves manually.

Models and capacities

ConWash 380 0,2 m3/h (Dewatered grit)

ConWash 381 6,7 l/s (Mixture of grit/water)

ConWash 382 12,5 l/s (Mixture of grit/water)

ConWash 383 25 l/s (Mixture of grit/water)