The Stephan UMM SK 44 E is a used meat processing machine — sometimes referred to as a bowl cutter or meat cutter — built for the fine cutting, mixing, and emulsifying of meat and other food products. Stephan is a well-established German manufacturer with a long history of producing high-performance food processing equipment for the meat, dairy, and food industry at large. This unit was manufactured in 2001, carries a CE mark, and is currently located in Barneveld, Netherlands. It is mounted on a wheeled frame, making it straightforward to reposition within a production facility.
The machine is constructed throughout in stainless steel 1.4301 (AISI 304), making it suitable for hygienic food-contact environments. The bowl has a working capacity of 44 litres and a total volume of 58 litres, with a bowl diameter of 500 mm and a depth of 350 mm. The cutter assembly is fitted with two knife blades, each with a knife diameter of 250 mm, and a scraper driven by a 0.37 kW motor is included to keep the bowl walls clear during processing.
The main drive motor is rated at 7.5 kW and operates on 400 V. A variable speed drive allows the knife speed to be adjusted across a range of 300 to 3,000 rpm, giving operators precise control over cut quality and product texture. The inlet and outlet are both 70 mm in diameter. A hopper is included to assist with product loading.
The bowl is fitted with a jacket, rated to a working pressure of 2 Bar, allowing the product temperature to be controlled during processing. The maximum temperature is 133 °C, which supports cooking, pasteurisation, or sterilisation applications. The bowl itself operates at a working pressure of 1.5 Bar, and vacuum processing is also possible, enabling the production of low-oxygen or airtight emulsions. The machine has a floor footprint of 2.20 × 0.75 m and is supplied complete with switchgear. Its serial number is .
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