Rotor Weighfeeder Pfister® TRW

Highly accurate and reliable gravimetric feeding and dosing of coarse, abrasive and hot materials

Rotor weighfeeder Pfister TRW
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Whether dosing materials to the raw and finish mill or clinker pre-loading, the robust design of rotor weighfeeder Pfister® TRW is ideal for metering coarse bulk materials such as clinker, pre-ground cement, limestone, gypsum etc. with high constancy and precision. Due to the integration of material extraction, weighing and dosing the system is easy to operate and thus extremely reliable.

Rotor weighfeeder Pfister® TRW + prospective control ProsCon®: the innovative solution for metering coarse materials

Pfister TRW in process

Application fields: Grinding process and pre-loading

Dosing capacity: Up to 400 t/h

Materials: Bulk materials such as limestone, gypsum, clinker, slag, raw coal

• Calibration bin
• Bin load cells
• Needle gate
• Rotor weighfeeder Pfister® TRW

• Stable material dosing
• Outstanding reliability
• High short- and longterm accuracy
• Compact, robust and closed design
• High measuring loads
• Large feeding range
• Online calibration possible
• Simple and modular design
• Slowly moving rotor
• Easy to maintain
• Wear resistant design

Dosing control:
• Feeder dosing controller Pfister® FDC
• Prospective control ProsCon®
• FlowBalanceTM control
• User oriented interfaces
• Remote service access available

Certificates: ISO 9001

Rotor weighfeeder Pfister® TRW for dosing iron oxide into a raw mill 

Sketch of a rotor weighfeeder Pfister® TRW installation 


Rotor weighfeeder Pfister® TRW for pre-ground white cement clinker feeding at a cement mill


Rotor weighfeeder Pfister® TRW at a roller mill circuit feeding pre-ground cement clinker


Rotor weighfeeder Pfister® TRW animation
Function principle of rotor weighfeeder Pfister® TRW


For an animation of rotor weighfeeder Pfister® TRW on Youtube click here