Laboratory/Pilot Dissolver

Laboratory/Pilot Dissolver

by GRIESER 2018

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The dissolver is used for desagglomeration and wetting of solids in a liquid base. It is the interplay of mass acceleration and friction, which provides the basis for the optimal product-specific shear rate. Typical applications are found in the production of paints and lacquers, primers, inks, adhesives, coatings, creams and ointments.


The laboratory and pilot plant dissolver are ideal to analyze and optimize the overall mixing process of a specific product. The gained process knowledge can be used to scale up the machine to the desired production size:

Laboratory-Dissolver Typ GFD 30 L with 3,0 kW drive power and a mixing shaft speed between 300 – 6.000 1/min.

Pilot-Plant-Dissolver Typ GFD 30 T with 3,0 to 7,5 kW drive power and a mixing shaft speed between 200 and 2.800 1/min. Vessel clamping system between 190 and 550 mm.

Options and versions

  • Different mixing tools (toothed disk, combined disk, Lenart-disk, butterfly, impellers, propellers, blades, paddles, etc.)
  • Vacuum design with vacuum unit and vacuum control
  • One-armed wall scraper
  • Change vessels with and without double jacket / bottom
  • Integrated tempering system (Heating and/or cooling)
  • Filler / powder feed below product level enabled by vacuum suction
  • FDA, GMP or SIL compliant design
  • Explosion protection according to ATEX
  • Digital pressure, temperature, speed and/or electrical power measurement
  • Oxygen or gas measurement monitoring systems
  • Hard-wired relais control (VPS), compact controller or programmable logic controller (SPS)
  • Automatic mixing sequences with variable time, speed and vacuum setting
  • Batch related logging of operational, process and production data
  • Remote maintenance and diagnostics

Laboratory Dissolver

  • Change vessel out of glas or stainless steel
  • Movable work table


Pilot-Plant Dissolver

  • Drive power according to product characteristics and batch size
  • Oscillation of the mixing tools
  • Motorized vessel clamping system
  • Variable lift movement with height measurement
  • Movable change vessels with and without double jacket / bottom
  • Dust cover with and without extraction nozzle
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