Rotor Weighfeeder Pfister FRW/SRW

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

Rotor weighfeeder Pfister FRW/SRW
  • Product information
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Whether kiln feeding, additive feeding to the raw or finish mill, the robust design of Pfister FRW/SRW rotor weighfeeders 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.

Pfister FRW/SRW + 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:

• Can System Controller CSC
• Prospective Control ProsCon ®
• Remote service access available

Certificates: ISO 9001:2008

Rotor weighfeeder Pfister FRW/SRW 

Pfister FRW kiln feed installation 300 t/h

Pfister FRW/SRW drawing

Pfister FRW kiln feed or fly ash installation

Pfister FRW/SRW on site

Pfister FRW CM mill feeding with chloride and kiln dust, each 6 t/h

Datasheet and Brochure

Pfister FRW/SRW datasheet
Short product information of the rotor weighfeeder Pfister FRW/SRW
FRW Pfister FRW/SRW brochure
Detailed product information of the rotor weighfeeder Pfister FRW/SRW


Pfister FRW/SRW animation
Function principle of the rotor weighfeeder FRW/SRW


For the Pfister FRW/SRW animation on Youtube click here