Sioux® Steam-Flo® Soil Sterilizer

Sioux® Steam-Flo® Soil Sterilizer

Sioux is the number one producer of portable Steam-Flo steam generators since 1939. A wide variety of models are in operation worldwide. The Sioux Steam-Flo is a perfect solution for quick, low pressure, saturated steam for a variety of applications including sterilizing soil for greenhouses and nurseries, devitalization, steaming ground beds, and pots or flats.

  • 4 Models from 385 to 880 lbs/Hr Steam
  • Constructed from 1/4" boiler plate steel
  • Fiberglass Insulated with a Stainless Steel wrap
  • 3 Pass dry back Scotch Boiler is more efficient
  • Steam within 20 minutes of startup
  • Built to section IV of the ASME code
  • Access Ports for easy inspection
  • Simplified design with fewer moving parts
  • Registered with National Board of Boiler & Pressure Vessel Inspectors
  • Automatic water feeder maintains correct water level automatically
  • Low water sensor protects vital components.
  • All models 4" Steam output on top.

Hummert Manufacturing Options

  • Skid Mount for SF-11 or SF-20; Oil model includes fuel tank with level gauge (SF-11 37 gallon, SF-20 60 gallon).
  • Portable non-highway Trailer, single axle with leveling jacks for SF-11 or SF-20; Oil models include fuel tank with level gauge.
  • Self Contained non-highway Trailer, double axle with leveling jacks, 300-gallon water tank, transfer pump, fuel tank with level gauge (sizes see above) & power generator for SF-11 or SF-20.
  • Complete non-highway Trailers including 210 Steam Aerator and Large power generators are also available, please inquire.
  • All trailers include 2” hitch coupler and ball, torsion axles, white steel wheels, and fenders.


Connection Hoses
  • 2” Hose connects Steam-Flo to Aerator
  • 4” Connection Hose connects Aerator to Media Steamer
  • 4” Coupler Connects Output Hoses together
  • 4” Dust blocks unwanted debris from cart or aerator
  • Reducer will adapt the Steam-Flo to our 2” Hose

Hummert connection hoses are used to connect soil treatment components together.  We recommend keeping the sum of all connection hoses under 25’ for best results.  All three hoses have a 15” bend radius.

To ensure your order's accuracy, please carefully READ ALL PARTS of chart below. Examine model number, specifications, etc. of each item before entering a quantity.  PLEASE NOTE: Prices subject to change without notice. Shipping, handling and freight charges are not included in prices shown.

Catalog #Product InformationSize / Spec.Weight LbsUnit of MeasureQty Per CasePrice Break QuantityPriceQuantity
Sioux® Steam-Flo® Soil Sterilizer
43-1025-1SF-11 OIL - 385 LBS/HR STEAM OUTPUTSF-11 OIL900EA(?)-1 --- UPWholesale Only
43-1025-9SF-11 OIL - 385 LBS/HR STEAM OUTPUTSF-11 OIL900EA(?)-1 --- 1$18,420.00
40-2650-1SF-11 OIL SKID MOUNTDESIGN 1125EA(?)-1 --- UPWholesale Only
40-2650-9SF-11 Oil SKID MOUNTDESIGN 1125EA(?)-1 --- 1$1,630.00
40-2652-1SF-11 LG/NG SKID MOUNTDESIGN 198EA(?)-1 --- UPWholesale Only
40-2652-9SF-11 LG/NG SKID MOUNTDESIGN 198EA(?)-1 --- 1$1,000.00
40-2654-1SF-20 Oil SKID MOUNTDESIGN 1175EA(?)-1 --- UPWholesale Only
40-2654-9SF-20 Oil SKID MOUNTDESIGN 1175EA(?)-1 --- 1$2,140.00
40-2656-1SF-25 LP/NG SKID MOUNTDESIGN 1128EA(?)-1 --- UPWholesale Only
40-2656-9SF-25 LP/NG SKID MOUNTDESIGN 1128EA(?)-1 --- 1$1,550.00
40-2660-1SF-11 Oil PORTABLE TRAILERDESIGN 21500EA(?)-1 --- UPWholesale Only
40-2660-9SF-11 Oil PORTABLE TRAILERDESIGN 21500EA(?)-1 --- 1$4,975.00
40-2662-1SF-11 LG/NG PORTABLE TRAILERDESIGN 32350EA(?)-1 --- UPWholesale Only
40-2662-9SF-11 LG/NG PORTABLE TRAILERDESIGN 32350EA(?)-1 --- 1$5,160.78
40-2664-1SF-20 Oil PORTABLE TRAILERDESIGN 4-EA(?)-1 --- UPWholesale Only
40-2664-9SF-20 Oil PORTABLE TRAILERDESIGN 4-EA(?)-1 --- 1$11,600.00
40-2666-1SF-25 LP/NG PORTABLE TRAILERDESIGN 5-EA(?)-1 --- UPWholesale Only
40-2666-9SF-25 LP/NG PORTABLE TRAILERDESIGN 5-EA(?)-1 --- 1$7,680.00
40-2668-1SF-20 OILDESIGN 6-EA(?)-1 --- UPWholesale Only
40-2670-1SF-11 Oil SELF CON. TRAILERDESIGN 21575EA(?)-1 --- UPWholesale Only
40-2670-9SF-11 Oil SELF CON. TRAILERDESIGN 21575EA(?)-1 --- 1$5,235.00
40-2672-1SF-20 OILDESIGN 3-EA(?)-1 --- UPWholesale Only
40-2674-1SF-20 Oil SELF CON. TRAILERDESIGN 42965EA(?)-1 --- UPWholesale Only
40-2674-9SF-20 Oil SELF CON. TRAILERDESIGN 42965EA(?)-1 --- 1$12,200.00
40-2676-1SF-20 OILDESIGN 5-EA(?)-1 --- UPWholesale Only
40-2678-1SF-20 OILDESIGN 6-EA(?)-1 --- UPWholesale Only
Connection Hoses
40-2763-1REDUCER 4" MPT x 2"FPT4" TO 1.25"2EA(?)-1 --- UPWholesale Only
40-2763-9REDUCER4" TO 1.25"2EA(?)-1 --- 1$90.00
40-2766-1BSA-10 2" M/FPT1.25" X 10'34EA(?)-1 --- UPWholesale Only
40-2766-9BSA-101.25" X 10'34EA(?)-1 --- 1$930.00
40-2773-14" COUPLER 4" M/M CAM4" MXM2EA(?)-1 --- UPWholesale Only
40-2774-14" DUST CAP 4" F-CAM4"1.8EA(?)-1 --- UPWholesale Only
40-2774-94" DUST CAP4"1.8EA(?)-1 --- 1$57.50
Sioux® Steam-Flo® Soil Sterilizer
43-1037-1SF-11 W/OIL - 345 LBS/HR STEAM OUTPUTSF-11 W-OIL1200EA(?)-1 --- UPWholesale Only
43-1038-1SF-11 LP - 385 LBS/HR STEAM OUTPUTSF-11 LP GAS900EA(?)-1 --- UPWholesale Only
43-1038-9SF-11 LP - 385 LBS/HR STEAM OUTPUTSF-11 LP GAS900EA(?)-1 --- 1$19,700.00
43-1039-1SF-11 NG - 385 LBS/HR STEAM OUTPUTSF-11 NG GAS900EA(?)-1 --- UPWholesale Only
43-1039-9SF-11 NG - 385 LBS/HR STEAM OUTPUTSF-11 NG GAS900EA(?)-1 --- 1$19,720.00
43-1040-1SF-20 OIL - 690 LBS/HR STEAM OUTPUTSF-20 OIL1200EA(?)-1 --- UPWholesale Only
43-1040-9SF-20 OIL - 690 LBS/HR STEAM OUTPUTSF-20 OIL1200EA(?)-1 --- 1$24,090.00
43-1048-1SF-25 NG - 880 LBS/HR STEAM OUTPUTSF-25 NG GAS1200EA(?)-1 --- UPWholesale Only
43-1049-1SF-25 LP - 880 LBS/HR STEAM OUTPUTSF-25 LP GAS-EA(?)-1 --- UPWholesale Only