High Pressure Steel Cylinders
Manufactured from high quality 4130 CrMo (chromium-molybdenum) alloy steel, Cyl-Tec provides HP steel cylinders that are produced using strict standards and in compliance with the US DOT and International regulations.
High pressure steel cylinders can be used for multiple applications: oxygen, nitrogen, argon, helium, carbon dioxide, hydrogen, mixtures, and many other gases and pressurized liquids.
- Capacities: 20 CF up to 300 CF (also available: special sizes such as 68 L, and 82.5 L)
- Service pressures: 2015 psi to 6000 psi
- Complies with DOT, TC, ISO, and military specifications
- Made with high-quality 4130 CrMo (chromium-molybdenum) alloy steel
- Multiple options for customization – painting – stamping – neck-rings
- A large selection of valves and other accessories are also available from stock
High Pressure Steel Cylinder Models
(See separate tab for specifications.)
- 20 CF
- 40 CF
- 55 CF
- 80 CF
- 125 CF
- 150 CF
- 250 CF
- 300 CF
- 43.3L 414 BAR
- 45 L 310 BAR
- 68 L (100 LB CO2)
- 82.5 L (125 LB CO2)
Cylinder Cradles & Gas Packs – Fully Assembled!
Cyl-Tec offers fully assembled and installed cylinder cradles, gas packs, and pallet manifolds for high pressure steel cylinders in 250 CF or 300 CF capacities.
We assemble and install them at our production facility and ship them directly to your gas fill plant… all you have to do is fill them!
Cradles
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Specifications
High Pressure Steel Cylinders
Mobile devices: Swipe left to see more specifications.
* Indicates 10% overfill.
| MODEL | Specification | Oxygen Capacity | Service Pressure | Diameter | Height | Weight | Water Volume | Inlet Thread |
| | UN ISO 9809 or DOT-3AA | ft3 at 70°F (m3 at 21°C) | psig (bar) | in. (mm) | in. (mm) | lb. (kg) | in3 (liters) | |
| 20 CF | UN ISO 9809-1 USA | 20.7 (0.6 m3) | 2,234 (154) | 5.2 (133) | 14.8 (375) | 12.3 (5.6) | 220 (3.6) | 3/4"-14NGT |
| 20 CF | DOT-3AA2015 | 18.7 / 20.6* (0.53 / 0.58*) | 2,015 (139) | 5.2 (133) | 14.8 (375) | 12.3 (5.6) | 220 (3.6) | 3/4"-14NGT |
| 40 CF | UN ISO 9809-1 USA | 44.9 (1.3) | 2,234 (154) | 7.0 (178) | 17.9 (455) | 28.2 (12.8) | 476 (7.8) | 3/4"-14NGT |
| 40 CF | DOT-3AA2015 | 42.5 / 46.8* (1.20 / 1.33*) | 2,015 (139) | 7.0 (178) | 17.3 (439) | 22.0 (10.0) | 500 (8.2) | 3/4"-14NGT |
| 55 CF | UN ISO 9809-1 USA | 62.2 (1.8) | 2,234 (154) | 7.0 (178) | 23.2 (590) | 35.3 (16.0) | 659 (10.8) | 3/4"-14NGT |
| 55 CF | DOT-3AA2015 | 56.2 / 61.8* (1.59 / 1.75*) | 2,015 (139) | 7.0 (178) | 22.5 (572) | 31.0 (14.0) | 660 (10.8) | 3/4"-14NGT |
| 80 CF | UN ISO 9809-1 USA | 90.4 (2.6) | 2,234 (154) | 7.0 (178) | 32.1 (815) | 46.3 (21.0) | 958 (15.7) | 3/4"-14NGT |
| 80 CF | DOT-3AA2015 | 81.7 / 89.9* (2.31 / 2.55*) | 2,015 (139) | 7.0 (178) | 31.0 (787) | 39.0 (17.7) | 960 (15.7) | 3/4"-14NGT |
| 125 CF | UN ISO 9809-1 USA | 140 (4.0) | 2,524 (174) | 7.0 (178) | 42.7 (1,085) | 59.5 (27.0) | 1,318 (21.6) | 3/4"-14NGT |
| 125 CF | DOT-3AA2265 | 126 / 139* (3.57 / 3.94*) | 2,265 (156) | 7.0 (178) | 41.7 (1,060) | 50.7 (23.0) | 1,318 (21.6) | 3/4"-14NGT |
| 150 CF | UN ISO 9809-1 USA | 153 (4.3) | 2,234 (154) | 7.4 (188) | 46.3 (1,175) | 67.2 (30.5) | 1,623 (26.6) | 3/4"-14NGT |
| 150 CF | DOT-3AA2015 | 140 / 154* (3.96 / 4.36*) | 2,015 (139) | 7.4 (188) | 46.1 (1,170) | 59.5 (27.0) | 1,648 (27.0) | 3/4"-14NGT |
| 250 CF | UN ISO 9809-1 USA | 281 (8.0) | 2,524 (174) | 9.0 (229) | 51.6 (1,310) | 114.6 (52.0) | 2,642 (43.3) | 3/4"-14NGT |
| 250 CF | DOT-3AA2265 | 253 / 278* (7.16 / 7.87*) | 2,265 (156) | 9.1 (232) | 50.4 (1,280) | 109.0 (49.4) | 2,643 (43.3) | 3/4"-14NGT |
| 300 CF | UN ISO 9809-1 USA | 335 (9.5) | 2,669 (184) | 9.3 (235) | 55.5 (1,410) | 134.5 (61.0) | 2,977 (48.8) | 3/4"-14NGT |
| 300 CF | DOT-3AA2400 | 303 / 333* (8.58 / 9.43*) | 2,400 (166) | 9.1 (232) | 56.5 (1,435) | 120.0 (54.4) | 2,990 (49.0) | 3/4"-14NGT |
| 43.3L 414 BAR | UN ISO 9809-2 USA | 665 (18.83) | 6,004 (414) | 9.3 (235) | 53.7 (1,365) | 200.6 (91) | 2,642 (43.3) | 25 E |
| 45L 310 BAR | UN ISO 9809-2 USA | 518 (14.67) | 4,496 (310) | 9.4 (239) | 50.8 (1,290) | 149.9 (68.0) | 2,746 (45.0) | 25 E |
| 68 L (100 lb CO2) | DOT-3AA2175 | 374 / 411* (10.59/11.65*) | 2,175 (150) | 10.5 (267) | 58.7 (1,491) | 163.0 (73.9) | 4,150 (68.0) | 3/4"-14NGT |
| 82.5 L (125 lb CO2) | DOT-3AA2175 | 533 / 586* (15.09/16.59*) | 2,175 (150) | 10.5 (267) | 70.5 (1,791) | 181.0 (82.1) | 5,033 (82.5) | 3/4"-14NGT |
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