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SCI pioneered the development of light weight, composite fuel tanks for natural gas and hydrogen fueled vehicles. In the 1970s, SCI helped the United States Department of Transportation develop the first safety standards for composite fuel tanks, and SCI manufactured the first DOT approved composite fuel tank. SCI also developed the first composite fuel tank certified under European Standard ECE R110. SCI is now the world leader in composite fuel tanks, and our fuel tanks can be certified to any safety standard in the world, including the following:

KHK/METI (Japan) ECE R110 (Europe)
ISO11439 (Europe) FMVSS 304 (United States)
CSA B51 (Canada) ANSI NGV2 (North America)

Compressed Hydrogen (CH) Fuel Tanks

SCI has been the leader in developing lightweight composite fuel tanks for hydrogen fuel vehicles. In the late 1970s, SCI developed one of the first hydrogen fuel tanks, a composite tank installed on a Dodge pickup truck. SCI is currently supporting the effort to commercialize hydrogen powered fuel cell vehicles, and our fuel tanks have been used for several fuel cell demonstration projects. SCI currently has the capability to design hydrogen fuel tanks for any passenger car, transit vehicle, or fleet vehicle application with operating pressures up to 10,000 psi.

Liquid Natural Gas (LNG) and Liquid Hydrogen (LH) Fuel Tanks

SCI has developed a lightweight and durable fuel tanks for LNG and LH vehicles. These tanks provide a cost-effective method for storing large quantities of natural gas or hydrogen onboard vehicles. SCI can design tanks to fit the size and capacity requirements for all on-road or off-road vehicle applications.

Partial Listing of Type III Hydrogen and CNG Fuel Tanks
SCI               Service CNG Equivalent Equivalent
Model Cylinder Diameter Length Water Capacity Weight Pressure Capacity Gasoline Diesel
Number mm inches mm inches Litres cu. in. lb. PSI SCF Gallons (US) Gallons (US)
ALT747 345 13.5 1115 43.9 74 4516 68.8 3000 662 5.4 4.8
ALT753 255 10.0 1870 73.6 72 4357 86.0 3600 751 6.1 5.4
ALT821 333 13.1 2180 85.8 132 8241 149.0 3600 1376 11.2 9.9
ATL807 333 13.1 3048 120.0 196 11939 211.0 3600 2039 16.6 14.7
ALT823F 388 15.3 1001 39.4 74 4744 78.0 3600 766 6.2 5.5
ALT823E 388 15.3 1850 72.8 167 9936 149.0 3600 1738 14.1 12.5
ATL823A 388 15.3 1943 76.5 173 10555 165.0 3600 1801 14.6 13.0
ALT823B 388 15.3 2548 100.3 230 14231 207.4 3600 2428 19.7 17.5
ALT823D 388 15.3 3048 120.0 283 17294 246.5 3600 2951 24.0 21.2
ALT810A 415 15.3 1869 73.6 185 11614 174.0 3600 1928 15.7 13.9
ALT810S 415 16.3 2083 82.0 200 12450 179.0 3600 2081 16.9 15.0
ALT810M 415 16.3 2179 85.8 210 13127 188.0 3600 2186 17.8 15.7
ALT810N 415 16.3 3048 120.0 313 19092 273.0 3600 3257 26.5 23.4
ALT820 532 21.0 2180 85.8 344 21027 372.0 3600 3494 28.4 25.1
ALT714 375 14.8 700 27.6 49 3016 52.0 3600 510 4.1 3.7
ALT772 440 17.3 955 37.6 100 6146 100.0 3600 1041 8.5 7.5
ALT712 520 20.5 955 37.5 135 8307 139.0 3600 1405 11.4 10.1
ALT713 520 20.5 1060 41.7 156 9501 163.0 3600 1624 13.2 11.7
ALT898 432 17.0 1074 42.3 92 5614 132.0 5000 H2    
ALT909 419 16.5 3048 120.0 313 19092 288.0 5000 H2    
(1) Cylinders can be manufactured and certified to US DOT FMVSS 304, NGV2-2000, ECE R110, ISO11439, KHK (Japan), CSA B51 (Canada).
(2) Divisor (5.861) for converting cu. In. water volume to SCF at 70F/3600 psi is based on natural gas having a composition of 17.4 Kg/Kmol.
(3) Divisor (6.657) for converting cu. In. water volume to SCF at 70F/3000 psi is based on natural gas having a compostion of 17.4 Kg/Kmol.

 


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