Rotor Weighfeeder Pfister® FRW/SRW

Highly accurate and reliable gravimetric feeding and dosing of fine grained materials

Rotor weighfeeder Pfister FRW/SRW
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Whether kiln feeding, additive feeding to the raw or finish mill, the robust design of rotor weighfeeder Pfister® FRW/SRW is ideal for dosing powdered bulk materials such as raw meal, fly ash,bypass, chloride or kiln dust dust or cement products with high dosing 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® FRW/SRW + prospective control ProsCon®: the innovative solution for metering powdered materials

Pfister FRW/SRW in process

Application fields: Kiln and grinding process

Dosing capacity: From a few 100 kg/h up to 800 t/h

Materials: Fine grained materials such as raw meal, fly ash, bypass-, chloride- or kiln dust, cement, ground slag, fluorspar, perlite etc.


• Calibration bin
• Bin load cells
• Shut-off gate
• Flow control gate
• Rotor weighfeeder Pfister® FRW


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

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 FRW/SRW 

Kiln feed installation with rotor weighfeeder Pfister® FRW and a dosing capacity of 300 t/h

Pfister FRW/SRW drawing

Kiln feed or fly ash installation with rotor weighfeeder Pfister® FRW

Pfister FRW/SRW on site

Rotor weighfeeder Pfister® FRW cement mill feeding with chloride and kiln dust, each 6 t/h

Data Sheet and Brochure

Rotor weighfeeder Pfister® FRW
Rotor weighfeeder Pfister® FRW/SRW Data sheet rotor weighfeeder Pfister® FRW/SRW
Technical data of rotor weighfeeder Pfister® FRW/SRW
FRW Brochure Rotor weighfeeder Pfister® FRW/SRW
Detailed product information of rotor weighfeeder Pfister® FRW/SRW


Rotor weighfeeder Pfister® FRW/SRW animation
Function principle of rotor weighfeeder Pfister® FRW/SRW


For the animation of rotor weighfeeder Pfister® FRW/SRW on Youtube click here