Industrial Mixers

PerMix Vacuum Mixer and Dryer - Vacuum Mixing and Vacuum Mixers

PerMix Liquid Mixers

PerMixPerMix Vacuum Mixer and Dryer - Vacuum Mixing and Vacuum Mixers

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PerMix Vacuum Mixer & Dryer

The PerMix series of Vacuum Mixers & Mixers/ Dryers are turbulent mixing reactor-dryers. It is used as a high-speed mixer dryer, chemical reactor or, if both processes are combined, as a dryer-reactor.

The PerMix series of Vacuum Mixers & Mixers/ Dryers, part of our powder mixers collection, are used with particular success in agglomeration-free rapid drying, heterogeneous reactions with systems of different substances, extraction, sterilization, and in general for vacuum, positive-pressure, thermal energy, and comminuting aids.

The considerably superior heat transfer characteristics of PerMix PTP-D series Vacuum Mixer Dryer are mainly attributable to the fact that external heat applied through the contact surfaces of the mixing vessel and mixing element, supplemented by frictional heat generated during the mixing process.

When operating at the usual speed, this accounts for 30 to 35 percent of the total heat applied. Heat transfer is not inhibited by agglomerates or layers of material adhering to the internal components of the tank. This is largely due to the comminuting units and the high-speed, edge-sweeping paddle agitators, which ensure rapid circulation of the materials at the contact faces.

  1. Different mixing elements (paddles, plows, ribbons, or combined tools)
  2. PerMix multichopper unit
  3. Different sealing arrangements (packing seals, double mechanical seal, Cinchseal, etc)
  4. Vacuum filter housing
  5. Heating jacket for electric heater, thermal oil, steam, etc
  6. Flush-fitting semi-ball discharge valve
  7. Special spraying unit for coating
  8. Open sidewall for cleaning purposes
  9. Pneumatic semi-ball discharge valve
  10. Discharge screw
  11. Different metal constructions (SS304, SS316L, Titanium, Duplex steel, Hastelloy, etc.)
  12. Heated shaft
  13. Sampling port
  14. Explosive-proof construction
  15. Control board, etc.

  1. Cost savings: The PerMix PTP-D series Vacuum Mixer Dryer combines several machines: less pipe-work, fewer control and space requirements.
  2. Short reaction times.
  3. Optimum heat transfer via large contact areas.
  4. Turbulent mixing by mechanical fluidization of reaction material.
  5. No dead areas in reactor and the discharge areas.
  6. The PerMix PTP-D series Vacuum Mixer Dryer can also be supplied with removable mixing tools.
  7. Easy to clean and sterilize.
  8. Long service life through the use of corrosion resistant reactor materials (Stainless Steels, Hastelloy, Titanium, Nickel Alloys).


Horizontal Vacuum Mixers & Dryers are the most popular vacuum mixers & dryers offered on the market as they are available in the most configurations and types.  With size ranges from 1 liter to 30,000 liters and higher, combined with agitation types that include:

These types of vacuum mixers & dryers allow the user to select a configuration that allows them to mix any type of product and achieve desired results needed whether they need a no/low shear effect or a very quick resizing of products leading them to choose a medium to high-shear type, and anything in between.

With the additions of choppers, these units are very versatile and allow users to meet the needs of today yet adapt to the demands of tomorrow easily and quickly.

Vertical Vacuum Mixers & Dryers are rapidly becoming more popular than the horizontal versions.  Although the operating theory is the same, the advantages of going vertical bring with it several advantages which include:

  • Larger surface area contact in regards to heat transfer versus horizontal mixers
  • Less residue left in the mixer due to its vertical, center bottom discharge, which allows for an easy discharge of product with minimal to low/no residue left behind.
  • Requires less product space/footprint, which lowers them amount of space needed for the production area.  Ideal for small facilities with big production demands.When cleaning between batches, cleaning is quicker and, if using CIP, water is easily drained completely which lowers the amount of waiting between batches is needed.A larger flexibility of batch sizes is allowed as the vertical mixers allow for a lesser amount to be used for a minimal batch size.
  • With size ranges from 1 liter to 15,000 liters or more…our Vertical Vacuum Dryers allows users to select a configuration that still meet the needs of today while adapting to the demands of tomorrow quickly.

    Types of Vertical Vacuum Mixers offered include:

  • Vertical Paddle Mixers
  • Vertical Ribbon Mixers
  • Conical Type Mixers (Nauta Style)


Tumble Vacuum Mixers & Dryers gained their popularity as they possess all the same characteristics of vacuum mixing & drying yet have fewer moving parts and are very easy to use as well as maintain.  The tumbling action allows for an aggressive yet gentle mixing.  Our tumble mixers may also include intensifier bars which add to mixing efficiency if mixing products/ingredients of various densities.

Our Vacuum Tumble Mixers & Dryers are available in size ranges from 1 liter to 10,000 liters and include:

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