Dierks & Sohne will show a Diosna R 200/C 800 mixer. This is representative of the company's range of mixing plants, which are intended for use with PVC powder blends, and in drying and blending other materials. The unit incorporates frequency converter control of mixing speed, up to a maximum of 840 rpm, allowing the full 90 kW power of the drive to be used without overloads. Mixing is claimed to be fast, but the temperature rise of the material per unit time can be set as a command variable in the control sequence. The nominal volume of the cooling section is four times that of the heating section, contributing to fast mixing, and the control system provides diagnostics and a …
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