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Sioux - Steam-Flo Series Steam Generators

370 - 845 Lbs. per hour of dry steam in minutes * Continuous, Unlimited Steam
Simple Operation * Easy Maintenance * Built to Last



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Steam Generator Model SF-11
Sioux has built Steam-Flo steam generators since 1939. Thousands are in operation worldwide. The Sioux Steam-Flo vessel is constructed from 1/4" boiler plate steel, and will give years of service with minimal maintenance. Low water sensor switch and automatic water feeder maintain water level and provide low-water shutdown.

Features: Benefits:
3-pass dry Scotch boiler Smaller, lighter and much more efficient than single pass designs, saves space and reduces operating costs.
Access Ports Easy inspection and maintenance
Low exhaust stack temperature Safety and energy efficient design
Custom options available You can obtain the best equipment for your specific application
Few moving parts Low maintenance
Electrical Cord with GFCI and plug GFCI protects operator and unit in case of electrical overload


Specifications
Model
SF-11
SF-20
SF-25
Fuel
Oil, LP, Natural Gas
Oil
LP or Natural Gas
Boiler Horsepower
10.7 BTU / Hour
19.7 BTU / Hour
24.5 BTU / Hour
Steam Output**
370 Lbs. / Hr
680 Lbs. / Hr.
845 Lbs. / Hr.
Firing Rate (#2 Fuel Oil)
3.05 GPH
5.65 GPH
N/A
Firing Rate (LP Gas, CFH)
427 CFH
N/A
404 CFH
Firing Rate (Natural Gas, CFH
171 CFH
N/A
1,010 CFH
Input BTU/Hour
427,000
791,000
1,010,000
Max. Steam Working Pressure
15 PSI
15 PSI
15 PSI
Operating Steam Working Pressure
5-10 PSI
5-10 PSI
5-10 PSI
Max. Temperature
250 F
250 F
250 F
Heating Tube Surface Area
65 Ft2
118 Ft2
118 Ft2
Boiler Volume (Approx.)
55 Gallons
135 Gallons
135 Gallons
Oil Fuel Tank Capacity (Optional)
35 Gallons
65 Gallons
N/A
Efficiency (Approx.)
84%
83%
81%
Machine Dimensions (Approx.)
60"L x 40"W x 51"H
70"L x 51"W x 61"H
85"L x 51"W x 61"H
Shipping Dimensions (Approx.)
85"L x 54"W x 60"W
76"L x 58"W x 72"H
94"L x 58"W x 72"H
Machine Weight, Dry (Approx.)
900 Lbs.
1,200 Lbs.
1,200 Lbs.
Shipping Weight (Approx.)
1,200 lbs
1,820 lbs.
1,910 lbs.

Specifications - Leg-mount model without Insulation Option

Model
SF-11
SF-20
SF-25
Boiler Horsepower
10.3 BTU/Hour
19.2 BTU/Hour
24 BTU/Hour
Steam Output**
355 Lbs./Hr
660 Lbs./Hr.
821 Lbs.?Hr.
Efficiency (Approx.)
81%
80%
79%
Insulation Cost Payback Period (Approx.)*
2.2 years
2.1 years
1.9 years

* Based on standard operating conditions (1,200 hour usage per year)

.** 212 F, which is the standard boiler industry performance rating temperature.
Options:
  • Portable Non-Highway Trailer Option Includes: 15" Pneumatic Tires, 36-Gallon Fuel Tank, Trailer Hitch
  • Over the Road Highway-Rated 2-Wheel Trailer
  • Skid Mounted with 36-Gallun Fuel Tank
  • Insulation Option Includes: Protective Stainless Steel Outer Wrap and 1" fiberglass insulation
  • Available as a Hot Water Boiler


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