Flat Bottom Silos

Ahrens manufacture and supplies a standard range of Flat Bottom Silos from 500+ tonnes that are Australian made with a 5 year warranty, ensuring the highest quality solution for your on farm storage.

Our Flat Bottom Silos are engineered to Australian standards for rural and commercial applications, available with a wide range of unload systems and aeration options.

With guaranteed sealing through our GasLock system we provide fan forced fumigation options to suit all your storage requirements.

Our range of flat bottom silos include the following standard features:

  • Sealed to AS 2628-2010
  • Sidewall access ladders, cages & platforms
  • Roof stairs
  • Fumigant recirculation system
  • Ground level centre fill control
  • Level indicators
  • Eave inspection hatch
  • Side-wall access door
  • Industry-leading footing design incorporating:
    • High capacity 300mm unloaders with emergency slide gate
    • In-floor aeration system (‘T’ or ‘H’ configuration)
  • Aeration options available to suit your requirements

Utilising our in house design capability, we can also assist our clients with conceptual development drawings to plan for current and future grain storage and handling possibilities.

Standard Range

Model Approx
Tonnes
Diameter Overall
Height
Min Auger
Length (Ft)
FB 9-3 176 220 8.25 5.7 42
FB 9-4 222 278 8.25 6.8 47
FB 9-5 269 336 8.25 7.9 52
FB 9-6 316 395 8.25 9.0 54
FB 9-7 363 453 8.25 10.1 61
FB 9-8 409 512 8.25 11.2 69
FB 9-9 456 570 8.25 12.2 74
FB 9-10 503 628 8.25 13.3 80
FB 9-11 549 687 8.25 14.4 86
FB 9-12 596 745 8.25 15.5 93
Model Approx
Tonnes
Diameter Overall
Height
Min Auger
Length (Ft)
FB 11-3 274 342 10.08 6.2 47
FB 11-4 344 429 10.08 7.3 50
FB 11-5 413 517 10.08 8.4 51
FB 11-6 483 604 10.08 9.5 60
FB 11-7 553 691 10.08 10.6 66
FB 11-8 623 778 10.08 11.7 72
FB 11-9 692 865 10.08 12.8 78
FB 11-10 762 953 10.08 13.9 84
FB 11-11 832 1040 10.08 15.0 90
FB 11-12 902 1127 10.08 16.1 95
Model Approx
Tonnes
Diameter Overall
Height
Min Auger
Length (Ft)
FB 13-3 398 498 11.92 6.8 47
FB 13-4 496 619 11.92 7.8 50
FB 13-5 593 741 11.92 8.9 53
FB 13-6 690 863 11.92 10.0 61
FB 13-7 788 985 11.92 11.1 67
FB 13-8 885 1107 11.92 12.2 74
FB 13-9 983 1228 11.92 13.3 80
FB 13-10 1080 1350 11.92 14.4 86
FB 13-11 1178 1472 11.92 15.5 93
FB 13-12 1275 1594 11.92 16.6 99
FB 13-13 1373 1716 11.92 17.7 110
Model Approx
Tonnes
Diameter Overall
Height
Min Auger
Length (Ft)
FB 15-3 551 689 13.75 7.3 47
FB 15-4 681 851 13.75 8.4 51
FB 15-5 810 1013 13.75 9.5 57
FB 15-6 940 1175 13.75 10.6 63
FB 15-7 1070 1337 13.75 11.7 70
FB 15-8 1200 1500 13.75 12.7 76
FB 15-9 1329 1662 13.75 13.8 82
FB 15-10 1459 1824 13.75 14.9 89
FB 15-11 1589 1986 13.75 16.0 95
FB 15-12 1719 2148 13.75 17.1 103
FB 15-13 1848 2310 13.75 18.2 110

Note: Stated tonnage based on 800kg/m3 with 0% compaction

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