Lab ribbon/paddle blender

Charles Ross & Son Co. has introduced a new ribbon blender, the 42NSD-1S, a multi-purpose unit equipped with interchangeable double ribbon and paddle agitators.

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Charles Ross & Son Co. (Hauppauge, N.Y., USA) has introduced a new ribbon blender, the 42NSD-1S, a multi-purpose unit equipped with interchangeable double ribbon and paddle agitators. With a maximum working capacity of 1 ft3/0.03m3, the 42NSD-1S is designed for laboratory and pilot-scale blending requirements. It comes with a discharge extruder assembly installed along the bottom of the trough to enhance mixing, eliminate dead zones and enable 100 percent discharge. The unit shown is supplied with NEMA 4X controls with variable frequency drive (VFD) keypad for soft start and speed control of the main agitator and the screw auger of the discharge extruder. The agitator’s inner and outer helical ribbons are pitched to move material axially, in opposing directions, and also radially. This combination promotes fast and thorough blending. Paddle agitators deliver gentler mixing which is more suited for shear-sensitive and friable applications. Options include sight/charge ports, safety gratings, pneumatically-operated covers and discharge valves, sanitary construction, spray bar assembly, heating/cooling jacket, caster wheels for portability, explosion-proof operator stations and HMI/PLC systems.