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Stainless Steel Tanks and Equipment for Ethanol Processing Plants

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Ethanol Storage Tanks

Beginning as a field fabricator over 30 years ago, SFI has constructed over 1,000 stainless steel tanks on-site at customer facilities. With this kind of experience, we have been able to grow our knowledge base to include the needs and preferences of the ethanol industry and many others.

The tanks that SFI builds for the ethanol industry are typically field fabricated and range in capacity from 25,000 up to 750,000 gallons. We have the experience necessary to design and build what you need, meeting standards such as API 620, API 650, UL-142, and ASME.

Examples of Equipment Built by SFI

  • CIP tanks
  • Condensate tanks
  • Feed Separator
  • Fermenters
  • Fiber mash conversion
  • Liquefaction
  • Mash tanks
  • Membrane tanks
  • Permeate tanks
  • Reflux tanks
  • Saccharification
  • Slurry tanks
  • Stillage tanks
  • Syrup tanks
  • Wastewater

Equipment Options

  • Materials of construction – stainless steel and other nickel based alloys
  • Material and weld finishes
  • Field fabricated carbon steel tanks may be considered on a job-by-job basis
  • Single or double wall construction, with our without insulation
  • Heat transfer surfaces
  • Supports – legs, lugs, skirts, saddles, flat pitched
  • Manways and fittings

And more…

Materials of Construction

  • 300 Series Stainless Steel
  • Other nickel based alloys including:
    • Hastelloy
    • Monel
    • Inconel
    • Duplex 2205

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Material Finishes

  • 2B (cold rolled sheet)
  • Mill (HRAP)
  • Mechanical polish (from 50 to 10 Ra)
  • Mechanical polish plus Electropolish (from 30 to 10 Ra) 

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Weld Finishes

  • As-Is
  • Scotch-Brite buffed
  • Mechanical grind (50 grit)
  • Mechanical polish (32 to 10 Ra)

Click here to download our Materials and Finishes PDF for more information.

Modifications and Repairs

and more…


SFI utilizes various standards to ensure your product is built to the highest quality possible. 

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