SCI Alternative Fuel Cylinders
SCI pioneered the development of a lightweight, composite fuel tank 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 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 road or off-road vehicle application.
With a full line of cylinders, we have a product for your alternative fuel needs. Contact us for details.
SCI Hall of Fame
SCI pioneered the development of the light weight composite fuel tanks (mid 1970’s) for Natural Gas and Hydrogen (late 1970’s) powered vehicles.
| SCI | | | Service | CNG | Equivalent | Equivalent | |
| Model | Cylinder Diameter | Length | Water Capacity | Weight | Pressure | Capacity | Gasoline | Diesel | Neck |
| Number | mm | inches | mm | inches | Litres | cu. in. | lb. | PSI | SCF | Gallons (US) | Gallons (US) | Mount |
| ALT747 | 343 | 13.5 | 1115 | 43.9 | 74.0 | 4516 | 68.8 | 2900 | 678 | 5.5 | 4.9 | No |
| ALT881E | 404 | 15.9 | 3048 | 120.0 | 308.1 | 18802 | 251.0 | 2900 | 2824 | 23.0 | 20.3 | Yes |
| ALT753 | 255 | 10.0 | 1870 | 73.6 | 71.4 | 4357 | 86.0 | 3600 | 743 | 6.0 | 5.3 | No |
| ALT890S | 333 | 13.1 | 1270 | 50.0 | 77.5 | 4730 | 92.5 | 3600 | 807 | 6.6 | 5.8 | No |
| ALT890 | 333 | 13.1 | 1778 | 70.0 | 113.1 | 6902 | 128.5 | 3600 | 1178 | 9.6 | 8.5 | No |
| ALT807S | 333 | 13.1 | 1905 | 75.0 | 120.2 | 7338 | 154.4 | 3600 | 1252 | 10.2 | 9.0 | No |
| ALT821 | 333 | 13.1 | 2180 | 85.8 | 135.0 | 8241 | 149.0 | 3600 | 1406 | 11.4 | 10.1 | Yes |
| ALT807 | 333 | 13.1 | 3048 | 120.0 | 195.6 | 11939 | 211.0 | 3600 | 2037 | 16.6 | 14.7 | Yes |
| ALT972 | 347 | 13.5 | 762 | 30.0 | 47.1 | 2877 | 51.0 | 3600 | 491 | 4.0 | 3.5 | No |
| ALT867 | 347 | 13.6 | 889 | 35.0 | 57.2 | 3488 | 62.5 | 3600 | 595 | 4.8 | 4.3 | No |
| ALT823F | 388 | 15.3 | 1001 | 39.4 | 77.7 | 4744 | 78.0 | 3600 | 809 | 6.6 | 5.8 | Yes |
| ALT823E | 388 | 15.3 | 1850 | 72.8 | 162.8 | 9936 | 149.0 | 3600 | 1695 | 13.8 | 12.2 | Yes |
| ALT823A | 388 | 15.3 | 1943 | 76.5 | 173.0 | 10555 | 165.0 | 3600 | 1801 | 14.6 | 13.0 | Yes |
| ALT918 | 388 | 15.3 | 1993 | 78.3 | 182.6 | 11145 | 171.0 | 3600 | 1902 | 15.5 | 13.7 | No |
| ALT823B | 388 | 15.3 | 2548 | 100.3 | 233.2 | 14231 | 207.4 | 3600 | 2428 | 19.7 | 17.5 | Yes |
| ALT823D | 388 | 15.3 | 3048 | 120.0 | 283.4 | 17294 | 246.5 | 3600 | 2951 | 24.0 | 21.2 | Yes |
| ALT881S | 404 | 15.9 | 1803 | 71.0 | 172.0 | 10496 | 149.0 | 3600 | 1791 | 14.6 | 12.9 | Yes |
| ALT881L | 404 | 15.9 | 1905 | 75.0 | 188.7 | 11514 | 165.0 | 3600 | 1965 | 16.0 | 14.1 | No |
| ALT881M | 404 | 15.9 | 2159 | 85.0 | 211.4 | 12902 | 177.0 | 3600 | 2201 | 17.9 | 15.8 | Yes |
| ALT881 | 404 | 15.9 | 3048 | 120.0 | 308.1 | 18802 | 253.0 | 3600 | 3208 | 26.1 | 23.1 | Yes |
| ALT982L | 415 | 16.3 | 914 | 36.0 | 81.7 | 4984 | 88.0 | 3600 | 850 | 6.9 | 6.1 | no |
| ALT810P | 415 | 16 | 1397 | 55 | 137 | 8373 | 126 | 3600 | 1429 | 12 | 10.3 | No |
| ALT982L | 415d | 16.3 | 1524 | 60.0 | 150.0 | 9156 | 126.0 | 3600 | 1562 | 12.7 | 11.2 | No |
| ALT810A | 415 | 16.3 | 1869 | 73.6 | 190.3 | 11614 | 174.0 | 3600 | 1982 | 16.1 | 14.3 | No |
| ALT810B | 415 | 16.3 | 1905 | 75.0 | 191.9 | 11713 | 180.0 | 3600 | 1998 | 16.2 | 14.4 | No |
| ALT889S | 415 | 16.3 | 2083 | 82.0 | 212.9 | 12995 | 194.0 | 3600 | 2217 | 18.0 | 16.0 | No |
| ALT810S | 415 | 16.3 | 2083 | 82.0 | 204.0 | 12450 | 190.0 | 3600 | 2124 | 17.3 | 15.3 | Yes |
| ALT810M | 415 | 16.3 | 2179 | 85.8 | 215.1 | 13127 | 188.0 | 3600 | 2240 | 18.2 | 16.1 | Yes |
| ALT889 | 415 | 16.3 | 2540 | 100.0 | 266.4 | 16258 | 235.0 | 3600 | 2774 | 22.6 | 20.0 | No |
| ALT810N | 415 | 16.3 | 3048 | 120.0 | 312.9 | 19092 | 273.0 | 3600 | 3257 | 26.5 | 23.4 | Yes |
| ALT891 | 462 | 18.2 | 2667 | 105.0 | 342.0 | 20870 | 272.0 | 3600 | 3561 | 28.9 | 25.6 | Yes |
| ALT820SG | 532 | 21.0 | 2032 | 80.0 | 318.1 | 19410 | 361.0 | 3600 | 3312 | 26.9 | 23.8 | Yes |
| ALT820G | 532 | 21.0 | 2180 | 85.8 | 344.6 | 21027 | 386.0 | 3600 | 3588 | 29.2 | 25.8 | Yes |
| ALT604 | 183 | 7.2 | 533 | 21.0 | 9.2 | 563 | 12.1 | 4500 | H2 | .20 (Kg H2) | | No |
| ALT988 | 183 | 7.2 | 490 | 19.3 | 7.0 | 427 | 11.7 | 5000 | H2 | .18 (Kg H2) | | No |
| ALT848 | 432 | 17.0 | 1074 | 42.3 | 92.0 | 5614 | 132.0 | 5000 | H2 | 2.15 (Kg H2) | | Yes |
| ALT836U | 432 | 17.0 | 1003 | 39.5 | 90.2 | 5504 | 131.0 | 5000 | H2 | 2.11 (Kg H2) | | No |
| ALT909s | 419 | 16.5 | 2667 | 105.0 | 273.7 | 16700 | 258.0 | 5000 | H2 | 6.40 (Kg H2) | | Yes |
| ALT909 | 419 | 16.5 | 3048 | 120.0 | 312.9 | 19092 | 288.0 | 5000 | H2 | 7.31 (Kg H2) | | Yes |
| ALT962L | 439 | 17.3 | 2976 | 117.2 | 304.1 | 18557 | 420.0 | 6250 | H2 | 8.41 (Kg H2) | | Yes |
| ALT962L | 439 | 17.3 | 3048 | 120.0 | 311.8 | 19025 | 435.0 | 6250 | H2 | 8.62 (Kg H2) | | Yes |
| Alt861B | 229 | 9.1 | 1093 | 43.1 | 27.4 | 1675 | 67.7 | 10000 | H2 | 1.07 (Kg H2) | | No |
| Gas Transport Cylinders can be manufactured and certified to US DOT, ISO11119-2, EIN (Pi) specifications |
| CNG fuel tank cylinders can be manufactured and certified to US DOT FMVSS 304, NGV2-2000, ECE R110, ISO11439, KHK (Japan), CSA B51 (Canada). |
Contact a SCI Composite Cylinders Sales Representative