Kek-Gardner Ribbon Mixer for Rapid and High Efficiency Powder Blending

Kek-Gardner Ribbon Mixers are tried and tested horizontal mixers for the consistent batch and continuous blending of powders and granules.

Kek-Gardner Ribbon Mixer

Kek-Gardner Ribbon Mixer

- with cantilever shaft and hinged end access door

Kek-Gardener Ribbon Mixer

Kek-Gardener Ribbon Mixer

- continuous with 'overflow-weir' discharge

Kek-Gardner Ribbon Mixer

Kek-Gardner Ribbon Mixer

- large capacity ribbon mixer

Kek-Gardner Ribbon Mixer

Kek-Gardner Ribbon Mixer

- HE Series Ribbon Mixer with short aspect ratio mixing trough

Kek-Gardner Ribbon Mixer

Kek-Gardner Ribbon Mixer

- with circular mixing trough

Kek-Gardner Ribbon Mixer

Kek-Gardner Ribbon Mixer

- with product air-cool plenum.

Kek-Gardner Ribbon Mixer

Kek-Gardner Ribbon Mixer

- view of internals with cantilever shaft

Kek-Gardner Ribbon Mixers


Features Include:

  • Batch or Continuous Mixing
  • Range From 35L (1.25 cu. ft.) to 50,000L (1760 cu. ft.)
  • High Efficiency Single Helix Ribbon Agitator
  • Short-Aspect Ratio Mixing Troughs for Rapid Mixing
  • Cantilevered Shaft Models Available
  • Low Energy Mixing

L Series MixerKek-Gardner Ribbon Mixer – Batch Mixers

Kek-Gardner Horizontal Ribbon Mixers are designed for the rapid and efficient blending of powders and granular materials.  Batch processing Ribbon Mixers are available in 2 product ranges:

 L-Series Ribbon Mixers

  • Small and compact batch Ribbon Mixers featuring:
  • Model Range – 35L (1-1/4 cu. ft. ) to 400L (14 cu. ft.)
  • Full length opening top covers for maximum access
  • Easily removable agitator
  • Interrupted spiral agitator
  • Large range of outlet valves available

HE Series Mixer



HE-Series Ribbon Mixers

Probably the most efficient batch Ribbon Mixer available, featuring:

  • Short-aspect ratio mixer trough
  • High-efficiency “double helix” agitator with only 6 mixing blades
  • Large top cover for ease of access
  • Low-energy mixing
  • Ideal for sticky powders

Continuous MixerKek-Gardner Ribbon Mixer –
Continuous Operation

Kek-Gardner Continuous Ribbon Mixers are custom designed and built to meet the demands of individual process needs.

Based on the tried and tested Kek-Gardner Batch Ribbon Mixer technology, the continuous process mixers are adapted to receive, mix and discharge powdered and granular materials.

Typical features include:

  • Interrupted Spiral Ribbon Agitator
  • Long-aspect ratio mixing trough
  • Adjustable ‘weir-type’ overflow outlet
  • Total discharge valve fitted to trough
  • Large access doors
  • Rates from 250 lb/hr to over 100,000 lb/hr

Ribbon MixerCustom Design

Kek-Gardner Ribbon Mixers can be customized and adapted to suit the varying demands of individual applications.

These typically include:

  • Choice of mixing trough shapes – U-shaped or circular
  • External jackets on the mixer trough for heating or cooling the mixer contents
  • Pressure and vacuum capable vessels for drying, heating, cooling and sterilizing applications
  • Liquid addition facilities including pressure spraying, atomizing and gravity sparge pipe.
  • Cantilever shaft, with no non-drive end bearing or seal
  • Range of various materials of construction

Ribbons of a Ribbon MixerApplications

Kek-Gardner Ribbon Mixers are the workhorse of the powder mixing and blending industries.

Typical applications include:

  • General Dry Powder Mixing
  • Liquid Addition with Powders
  • Drying of moist or damp powders
  • Live storage of sticky powders
  • Granulation of Powders

Kek-Gardner Ribbon Mixers can be used in the Food, Chemical and Pharmaceutical Industries.