Klein is a pioneer in manufacturing, development and commissioning of thickening, dewatering and and drying sector worldwide. Klein Company is one of main subsidiaries of energy group SUELZLE engineering holding with 135 years’ experience. All the main equipment’s in Klein scope of supply manufacture in Germany and also accessories used in the equipment’s supplied from well-known companies like Siemens.


  • Polymer Preparation Package Gravity Belt Thickener Dewatering system:
    • Belt Filter Press
    • Screw Press

    Low temperature belt dryer

    • Combi-Dry with evaporation capacity of 100-150 Kg/h
    • Compact Dry with evaporation capacity of 150-700 Kg/h
    • Conti-Dryer with evaporation capacity of 500-5000 Kg/h
    • Pro-Dry with evaporation capacity of 500-6000 Kg/h

Properties and Application

Some unique properties of Klein belt thickener and dewatering system

  • Steel body
  • Less polymer consumption
  • Steel mixing and dosing tank
  • Mixer with optimized energy consumption
  • Using high quality material for belt and high water separation
  • PreTested and ready to run system
  • Robust structure
  • Using 14 rollers for dewatering
  • Automatic system for washing belt
  • Automatic control unit with user panel and manually adjusting system


  • Hefei Wangtang in China, thickening and dewatering of aerated stabilized sludge(120 m3/h),2002
  • Hanau in Germany, 2 thickening unit for secondary sludge (140 m3/h), 2003