This Unimix Haagen & Rinau Bremen Processing vessel is a mixer and blender — sometimes referred to as a mixing vessel or process blender — designed for blending, homogenising, and processing small-batch materials under controlled temperature and pressure conditions. Haagen & Rinau is a recognised German manufacturer based in Bremen with a long history of producing mixing and processing equipment for the food, cosmetics, pharmaceutical, and chemical industries.
Built in 1988 and offered in used condition from Barneveld, Netherlands, this is a compact, closed stirring vessel with a total capacity of 5.5 litres. The vessel body is conical in shape, measuring 245 mm in diameter by 165 mm deep, and is constructed entirely from stainless steel. It is fitted with a cover and operates at a working pressure of up to 2 bar, with vacuum capability also available.
The vessel is jacketed, with a jacket volume of 3 litres and a jacket working pressure rated at 6 bar. Electric heating is integrated into the jacket system, allowing the vessel contents to be brought up to a maximum temperature of 133 °C, while the jacket itself can operate up to 150 °C. This makes the unit suitable for processing heat-sensitive formulations that require precise thermal management.
Agitation is provided by an anchor-type scraper stirrer driven by a 370-watt motor, which keeps material moving along the vessel walls during processing. A homogeniser is also fitted, enabling the machine to perform both bulk mixing and fine emulsification or dispersion within the same vessel. The main motor is rated at 900 watts and runs on single-phase 220-volt power supply. A control switch is included.
The machine has a compact footprint of 0.8 by 0.5 metres and stands 1.0 metre tall in total, making it well suited to laboratory-scale or small production environments where floor space is limited.
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