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Stripper Column Manufacturer

Custom fabricated stainless steel strippers & scrubbers

SFI builds stainless steel stripper and scrubber columns that are used to filter/remove VOCs (volatile organic compounds) from liquid or vapor streams and we provide them to any level of integration required.  We do not engineer the process, but based on customer specifications, SFI will provide:

  • Stand-alone units with fully welded internal supports, ready for field installation of customer-furnished internals
  • Complete integrated assemblies with bed limiters, packing supports, sieve trays, mist eliminators and internal packing

Stainless Steel Gas Scrubbers

Our 35 years of experience building stainless steel equipment for customers across numerous industries has given us the knowledge and skills necessary to fabricate high-quality vessels such as these.  Stripper and scrubber columns share many design elements similar to the pressure vessels, mixers, and storage tanks we build:

  • ASME designed and stamped pressure vessels
  • 300 series stainless or nickel alloys such as Hastelloy or 2205 duplex
  • Manways
  • Sight glasses
  • Insulation rings, vacuum rings
  • Skirt supports
  • Shop or field fabricated

Below is a sampling of stainless steel columns, strippers, & scrubbers built by SFI for customers in various industries.

Click here to go to the Shop Fabrication page for more information.  


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Shop or field fabrication

Pressure vessels and reactors are typically shop-built in our facility, however, if circumstances require that they be built in the field, we can do that too.  All SFI welders are ASME certified.

Modifications and Repairs

SFI is ASME certified to not only build new equipment, but also make modifications and repairs. These services include:

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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)

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Heating & Cooling

  • Dimple jacket
  • Half pipe coil
  • Internal pipe coil
  • Open jacket

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SFI can create a custom-designed mixing solution to meet your needs. 

We offer mixers or combinations of mixers for processing a wide variety of viscosities and applications for our stainless steel tanks. Mixer styles include turbine, sweep, scrape, and dual motion.

Click here to learn more about our Agitation capabilities


  • Legs
  • Lugs
  • Skirts
  • Saddles


Sampling of stainless steel columns built by SFI

Chemical Catalyst Columns
Chemical Extractor Column
Chemical NH3 Scrubber (ammonia)
Chemical NOx Scrubber (nitrogen and oxygen)
Chemical Quenching Scrubber
Chemical Stripper Column
Chemical Wash Column
Energy Gas Scrubber
Food Aroma Column
Food Carbon Columns
Food Caustic Scrubber
Food CO2 Scrubbers
Food Water Scrubber
Pharmaceutical Carbon Column
Pharmaceutical Distillation Column
Pharmaceutical Recycle Column
Pharmaceutical Resin Columns


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

We hold the following certificates:

  • ASME “U” certification
  • National Board “R” certification

Other standards are utilized as required, such as:

  • API 620 & 650
  • ASME BPE Guidelines
  • Canadian Registration Number (CRN) documentation
  • Ministry of Manpower-Singapore (MOM) documentation
  • PED (European Pressure Equipment Directive) “CE” Mark
  • UL-142
  • USDA

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