Flow Controller FC3

Flow Controller FC3

Continuous, gravimetric dosage of free flowing bulk solids
  • Electrically controlled flat slider with weighing sensor
  • Exact regulation of flow capacity in kg/h
  • Summation of total amount in kg
  • Very low installation height, easy installation directly below the silo
  • Control of slider position and position presetting


  • Special version for seeds available (residue-free drain, only electric power supply: no compressed air connection required)


The Flow Controller FC3 is suited for the following applications:
  • Production of grain blends by dosage from different silos, automatic recipe control
  • Controlled discharge of silos for constant feeding of processing machinery
  • Easy exchange of old discharging devices with low installation costs

For operation of the Flow Controller FC3 full product stock at the inlet of the device is required.



An electrically controlled flat slider is located in a steel housing. Under the flat slider there is a weighing sensor which measures the product flow rate. The user enters a desired flow capacity and starts dosage. The flat gate opens gradually and the product flows with increasing flow capacity over the weighing sensor. When reaching the desired flow capacity, movement stops.

Applied products

All free flowing products can be measured, e.g. grain, pulses, granules, malt, pellets, soya and diverse bruised grains.

Integrated interfaces as per standard:
  • Output 0(4)-20mA (alternatively configurable as 0-10V output)
    for actual capacity
  • Input 0(4)-20mA (alternatively configurable as 0-10V input)
    for target capacity
  • Relay output (24V)
    for kg-pulses
  • Relay output (24V)
    for alarm notifications
  • Digital input (24V)
    for start-/stop-signal
  • RS485 (also configurable as Modbus-RTU)
    all process data can be accessed
  • RS232
    all process data can be accessed
Optionally available interfaces
  • Profibus
    all process data can be accessed
  • Profinet
    all process data can be accessed
  • Ethernet/IP
    all process data can be accessed
  • Extern touch-panel (connection via Modbus RTU)
    all process data can be accessed
  • Further interfaces are available on demand.
Operating instruction


Dimension sheets

Size FC3.120 – (Pipe diameter 120 mm)

Size FC3.150 – (Pipe diameter 150 mm)

Size FC3.200 – (Pipe diameter 200 mm)

Size FC3.250 – (Pipe diameter 250 mm)

Size FC3.300 – (Pipe diameter 300 mm)


Standard model in standard steel, powder-coated, RAL7035

Option: Special model in stainless steel

Option: Series 12 with reduced installation height

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