Armfield – Miniature-Scale Research & Development Technology – FT141/FT142 Multifunction Laboratory Mixers


    Jasmine Keller, Assistant General Manager, Scientific Solutions

    DKSH Technology Sdn. Bhd.
    B-11-01, The Ascent, Paradigm, No. 1, Jalan SS7/26A, Kelana Jaya
    47301 Petaling Jaya, Selangor

    +60 3-7882 6285



    Monica Wan, General Manager

    DKSH Singapore Pte Ltd
    625 Lorong 4 Toa Payoh, #03-00
    319519 Singapore

    +65 6962 3121

    +65 6273 1503



    Nguyen Thi Xuan Mai, Senior Manager, National Sales

    DKSH Technology
    5th Floor, Viettel Complex, 285 Cach Mang Thang Tam Ward 12,
    District 10/6th Floor, Peakview Tower,
    36 Hoang Cau O Cho Dua Ward
    70000 Ho Chi Minh City / Dong Da District, Ha Noi

    +84 28 3812 5806 ext 89604

    +84 8 3812 5807


The Armfield FT141 and FT142 are versatile batch processing vessels, the FT142 having UHT capability. They are suitable for high shear mixing, dispersing, homogenising, emulsifying, evaporation and vacuum deaerating.

The FT141 and FT142 are multifunction batch process systems designed for the hygienic processing of up to either 10 litres (FT141 or FT142) or 20 litres (FT142) of product, depending on the unit and option selected. Each system comprises the jacketed mixing tank, a high-speed mixer, a gentle agitator, a vacuum system, steam heating and water cooling of the jacket, water flush for the shaft seals. Direct steam heating of the vessel can be provided as an option.

The FT141 is capable of processing at 95% vacuum and up to 100°C. The FT142 extends the performance into UHT processing at up to 140°C and 3 bar.

Each tank is fitted with a large-diameter (51mm) manual outlet valve and a 25mm manual inlet valve complete with inlet funnel. All contact surfaces are 316 stainless steel. The vessels are equipped with a temperature sensor, a safety cut-out switch and a sight glass with a light and wiper. The clamped lid has a powered lift mechanism for easy raising. The heating/cooling jacket can be pressurised and is fitted with a safety valve.

A high-speed mixing head with variable-speed control is provided in the bottom of the vessel, carefully positioned in relation to the outlet valve to enable easy drainage. The standard mixing wheel has a stator and a single knife on top. The stator rings are available with different hole sizes from 1 to 4mm. Other types of mixing units, such as a double-bladed knife with blind plate or fibre-cut, can be provided on request.

A slow-speed gentle agitator is fitted on the vessel lid. This is a double-arm agitator with a flexible scraper on one arm to prevent burn-on of the product to the side of the vessel. A liquid-ring vacuum pump is used when required to process below atmospheric pressure. A combined pressure and vacuum gauge is used to display the tank pressure. The FT142 includes as standard an automatic vacuum control. Options are available for a cooler on the connection pipe to the vacuum pump and for a condensation collector with sight glass in the vacuum line. The mechanical seals on the rotating shafts are automatically flushed with water via a solenoid valve, activated together with the motors.

The FT141 has a PLC control system with touchscreen display as standard. The FT142 has a standard electronic panel made of stainless steel, which includes start/stop controls, speed controls for the motors, temperature display, heating and cooling setpoints, plus emergency stop. Once the heating set point has been reached the temperature is maintained using on/off control.

Key Features

FT141/FT142 Multifunction Laboratory Mixers

Key Features

  • 10 or 20-litre product capacity
  • High-speed bottom-mounted emulsifying mixer
  • Top-mounted gentle agitator with flexible scraper
  • Simultaneous high shear mixing and sidewall agitation
  • Vacuum capability
  • Powered lift for tank lid
  • Inlet funnel and valve FT142 has UHT capability: 140°C, 3 bar
  • FT141 is PLC controlled via a touchscreen as standard
  • FT142 has an electronic control panel with PLC control available as an option
  • Large-diameter hygienic outlet valve
  • Full instrumentation
  • Jacketed vessel for indirect heating and cooling
  • Optional direct heating using steam
  • Viewing window with light and wiper
  • Range of process options


  • Representative results from small quantities of product
  • Maximum flexibility enables development of a wide range of products
  • Fast emulsifying for improved dissolving of powders
  • Deaeration with vacuum
  • Straightforward scale-up
  • Simple to use

Key Industries

  • Biopharmaceutical and Biotechnology
  • Chemical
  • Cosmetics & Personal Care
  • Education & Academics
  • Food & Beverage
  • Oil & Gas
  • Pharmaceutical
  • Powders & Pigments / Coating

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