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Steam Generators
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Steam Generator
The Sioux Steam-Flo is a perfect source of low pressure steam for a variety of commercial and industrial applications. This unit can be used in place of a conventional boiler for a variety of commercial and industrial applications. The generator produce 370-845 lbs. per hour of saturated steam in minutes. The Steam-Flo provides continuous, unlimited steam. The unit is easy to maintain and built to last. Mountings include portable, stationary, or over-the-road trailer. The unit can be outfitted with an optional water tank and generator for completely self-contained operation. Because of its portability, the Steam-Flo is excellent for use in overflow production and outlying area.

Steam-Flo generators are often used in commercial greenhouses and nurseries. The vessel is registered with the National Board of Boiler and Pressure Vessel Inspectors, meets requirements of CSD-1 of the ASME Code, and is built to Section IV of the ASME code. Sioux has manufactured the Steam-Flo steam generator since 1939. Thousands are in operation worldwide, providing years of trouble-free service.

Steam Generator Specifications
       
       
Specifications with Insulation Option SF-11 SF-20 SF-25
Operating Current (Amps) 115V/1Ph/60Hz 115V/1Ph/60Hz 115V/1Ph/60Hz
Boiler Horsepower 10.7 BHP 19.7 BHP 24.5 BHP
Fuel Oil, LP or NG Oil LP or NG
Steam Output 370 LBS/HR 680 LBS/HR 845 LBS/HR
Input, BTU/Hr 427,000 BTU/HR 791,000 BTU/HR 1,010,000 BTU/HR
Maximum Steam Working Pressure 15 PSI 15 PSI 15 PSI
Operating Steam Working Pressure 5-10 PSI 5-10 PSI 5-10 PSI
Maximum Temperature 250 º F 250 º F 250 º F
Heat Transfer Surface Area, Square Feet 65 118 118
Firing Rate (#2 Fuel Oil) 3.05 GPH 5.65 GPH N/A
Firing Rate (Natural Gas, CFH) 427 CFH N/A 404 CFH
Firing Rate (LP Gas, CFH) 171 CFH N/A 1,010 CFH
Machine Dimensions, Leg Mounted 60" L x 40" W x 51" H 73" L x 58" W x 63" H 73" L x 58" W x 63" H
Machine Weight, Dry (Approximate) 900 LBS 1200 LBS 1200 LBS
Boiler Volume (Approximate) 55 GAL 135 GAL 135 GAL
Optional Fuel Tank Capacity 36 GAL 65 GAL N/A
Efficiency (Approximate) 0.84 0.83 0.82
       
       
Specifications Without Insulation Option      
Boiler Horsepower 10.3 BHP 19.2 BHP 23.85 BHP
Steam Output 355 LBS/HR 660 LBS/HR 821 LBS/HR
Efficiency (Approximate) 81% 80% 79%
Approximate Insulation Cost Payback Period, Based on 1000 Hrs/Yr Operation 2.2 YEARS 2.3 YEARS 2.3 YEARS
 
 
Options (Consult Factory)
Steam-Flo, ASME Coded, Leg Mounted, GFCI
Insulation Option. Includes: 1" Fiberglass Insulation and Stainless Steel Protective Cover
Trailer, 2-Wheel, Non-Highway. Includes: 15" Tires, Tongue with Pin Type Hitch. Includes Fuel Tank.
Trailer, 2-Wheel, Over-the-Road. Includes: 15" Tires, Tongue with 2" Ball Hitch, Tail Lights and Wiring Harness. Includes Fuel Tank.
Skid Mount. Includes Optional Fuel Tank
Hot Water Boiler Option
2" x 25' Steam Hose with 2" MPT ends
2" x 50' Steam Hose with 2" MPT ends
The Sioux Steam-Flo ® is a three-pass, dry-back, Scotch boiler registered with the National Board of Boiler and Pressure Vessel Inspectors, is built to Section IV of the ASME Code and meets ASME CSD-1 Code.
Stock/Quick Ship Models: Models in bold are the most popular. Sioux stocks parts for these commercial steam generators and they are available from stock or can be shipped faster. Consult factory for details.
- Approximate - Consult factory for exact figures if required.