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FN25 and FN60 Aeration Nozzles can be easily fitted on bins or silos from outside which makes them particularly suitable for retrofitting or in cases where the inside of a bin cannot be accessed. For sizing, layout and number of nozzles refer to the relevant data sheet.

The plastic insert with the sintered metal nozzle has to be screwed into the steel nipple which has been previously welded on the outside of the bin or silo. Then the connection with the compressed air line has to be carried out.
FN25 Aeration Nozzles are used with fine powdery materials at a working pressure of 3 PSI, while FN60 Aeration Nozzles work with a pressure of 14 PSI.
Decades of experience with FN25 and FN60 have shown that virtually all materials can be successfully fluidized at intermittent operation according to Pulse-Jet or Felder System.
For food-grade applications the use of FD-type Vibrating Aerators is recommended.

Performance & Technical Features - Benefits

  • Operating pressure: 3 PSI for FN25; 14 PSI for FN60
  • Air consumption: 0.03 Cfm at 3 PSI for FN25; 1.1 Cfm at 14 PSI for FN060
  • Weight:0.33 lb for FN25; 0.62 lb for FN60
  • Suitable for cement, lime and similar powders
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Item #

Operating Pressure

Air Consumption (at 0.2 BAR - 2.9 PSI)

Air Consumption (at 1 BAR - 14 PSI)

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FN100 N/A 0.2 bar3 psi N/A 0.03 CFM0.05 m³/h N/A
FN200 N/A 1 bar14 psi N/A N/A 1.1 CFM1.8 m³/h
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