Controls Group Automatic laboratory mixer BITUMIX Automatic laboratory mixer BITUMIX
Asphalt/bituminous mixture

Automatic laboratory mixer BITUMIX

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Main features
  • Conforms to EN 12697-35
  • Ideal to prepare laboratory samples for mix design
  • New improved mixing drum and heating system quickly adjustable up to 250° C
  • Mixing capacity up 30 litres
  • Mixing speed adjustable from 5 to 35 rpm
  • Mixing temperature adjustable up to 250°C
  • Stainless steel (AISI 304) mixing container
  • Temperature control by PT 100 probe
  • Digital temperature display
  • Easy unloading by motorized tilting system of the container
General description
General description
The design and testing of bituminous mixtures includes various laboratory tests such as the Marshall stability (EN 12697-34), Gyratory compaction (EN 12697-31), Slabs laboratory compaction (EN 12697-33) to prepare specimens for Wheel tracking (EN 12697-22) and Determination of stiffness including Beam fatigue testing (EN 12697-26, EN 13108).
To produce samples for performing the above tests, it is essential that the preparation of a bituminous mixture  is carried out at a reference temperature and a limited time period in order to reduce mechanical degradation of the aggregates. The mixer shall also be capable of entirely coating all mineral substances in not more than 5 minutes as stated by EN 12697-35.

The mixer consists essentially in a horizontal stainless steel mixing container with helical mixing shaft. The container is thermally insulated and comes complete with heating element and probe sensor which provide uniform temperature control. The container can be easily tilted by the electric motor for the unloading operation.
The control panel includes: a digital display to monitor mixing temperature, a digital thermo-regulator, a mixing speed controller and various commands.

The Bitumix mixer can be used as part of your Superpave performance based testing program
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Technical specifications

  • Mixer capacity: 30 litres
  • Mixing speed: adjustable from 5 to 35 rpm
  • Mixing temperature: adjustable from ambient to 250°C
  • Heater: 4500 W
  • Temperature control: PT 100 sensor
  • Tilting angle up to 130°
  • Power: 7000 W (total)
  • Voltage: 380-400V, 50 Hz, 3 ph or 220V, 60 Hz, 3 ph
  • Overall dimensions: 1350 x 650 x 1205 (w x d x h)
  • Weight: approx. 320 kg

Ordering info

BITUMIX automatic laboratory mixer, 30 litres capacity.
380-400 V, 50 Hz, 3 ph

Same as above but 220 V, 60 Hz, 3 ph


Contact Us

Controls Group USA, Inc.

2521 Technology Drive, Suite 203
Elgin, Il 60124.
Phone: +1 844 291 4305

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