This Trefa Continu Aerating Systems T250 is a mixer and blender — sometimes referred to as a foam mixer or aerating mixer — designed to continuously blend and aerate liquid products by incorporating air into a flowing medium under controlled pressure. Trefa Continu Aerating Systems is a Dutch specialist manufacturer focused on continuous aeration and foam-mixing technology, serving industries such as food processing, confectionery, and cosmetics where precise, consistent aeration of liquids and semi-liquids is required.
Built in 2004 and constructed throughout in stainless steel, this used unit carries serial number 025.282 and is currently located in Barneveld, Netherlands. It is mounted on a stainless steel frame with a total installed height of 2.2 metres and a floor footprint of 0.9 × 1.6 metres, making it a relatively compact unit for a continuous inline system.
The heart of the machine is a rotor/stator arrangement fitted with pins, with the rotor measuring 168 mm in diameter and 175 mm in length. Maximum rotor speed is 604 RPM, controlled by an integrated frequency controller that allows variable speed adjustment to suit different product viscosities and aeration requirements. The rotor and stator are also fitted with a jacket, enabling temperature control of the product during mixing. The drive motor is rated at 7.5 kW and is configured for 380/420 V supply.
Product enters and exits through 25 mm diameter inlet and outlet connections. The system is rated to a maximum air capacity of 360 litres per hour at a maximum working pressure of 10 bar. Switchgear is included as-is. The machine carries CE marking.
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