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High Pressure Cylinders Print Page
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Nom. Dimensions   Approximate Capacity at Rate Service Pressure   Approximate Capacity at 10% Overfill1
Min.
Cylinder
Volume
Nom.
Cylinder
Weight
OD L tmin DOT
Service
Pressure
Air Oxygen Nitrogen Argon Helium Hydrogen 10%
Overfill
Pressure
Air Oxygen Nitrogen Argon Helium
(in3) (lb) (in) (in) (in) (psi) (ft3) (psi) (ft3)
(liter) (kg) (mm) (mm) (mm) (bar) (m3) (bar) (m3)
Standard DOT/TC Specification High Pressure Cylinders1
20CF 220 10.5 5.263 13.75 0.113 2015 17.7 18.7 17.3 18.6 16.5 16.5 2216 19.3 20.6 19 20.5 18
3.6 4.8 133.7 349 2.87 138.9 0.5 0.53 0.49 0.53 0.47 0.46 153 0.54 0.58 0.54 0.58 0.5
40CF 500 27 7 18 0.144 2015 40.1 41.7 38.5 41.5 36.7 37.5 2216 43.9 45.9 42.4 45.7 40.4
8.2 12.2 178 457 3.66 138.9 1.13 1.18 1.09 1.18 1.04 1.06 153 1.24 1.3 1.2 1.29 1.14
55CF 650 32 7 22.875 0.144 2015 53 57 52.7 56.8 50.2 49.4 2216 57.9 62.7 57.9 62.4 55.2
10.6 14.5 177.8 581.02 3.66 139 1.5 1.61 1.49 1.61 1.42 1.39 153 1.64 1.78 1.64 1.77 1.56
80CF 995 46 6.9 32.38 0.144 2015 79.9 85.9 79.4 85.6 75.7 74.5 2216 87.3 94.5 87.3 94.1 83.3
16.3 20.9 176 822.3 3.66 138.9 2.228 2.43 2.25 2.42 2.14 2.1 153 2.47 2.68 2.47 2.67 2.36
110CF 1379 62 6.9 43 0.144 2015 110.7 115.7 106.9 115.2 101.9 103.3 2216 121 127.3 117.6 126.7 112.1
22.6 28.1 175 1092.2 3.66 138.9 3.13 3.28 3.03 3.26 2.89 2.92 153 3.42 3.6 3.33 3.59 3.18
125CF 1379 62 6.9 43 0.162 2265 123.6 130.1 119.1 129.5 113.6 115.2 2491 134.4 143.1 131 142.5 124.9
22.6 28.1 176.5 1092.2 4.1 156.2 3.49 3.68 3.37 3.67 3.22 3.26 172 3.8 4.05 3.71 4.04 3.54
150CF 1650 67.5 7.3 46.5 0.15 2015 132.5 141.2 130.5 140.6 124.4 123.6 2216 144.8 155.3 143.5 154.7 136.8
27 30.6 185.4 1181.1 3.81 138.9 3.75 4 3.69 3.98 3.52 3.5 153 4.1 4.4 4.06 4.38 3.88
8BC75A 3058 136 9.28 56.5 0.215 2300 277.8 296.7 271.5 295.7 259 253.7 2530 302.3 325.7 295.4 324.6 282.7
50.1 61.7 235.7 1435 5.5 159 7.87 8.4 7.69 8.37 7.33 7.18 174 8.56 9.22 8.36 9.19 8
8BC200 2395 101 8.75 51 0.174 2015 192.3 203.4 188.3 202.9 179.4 176.2 2216 210.2 223.9 205.5 223.2 196
39.2 45.8 222.3 1295 4.42 139 5.45 5.76 5.33 5.75 5.08 4.99 153 5.95 6.34 5.82 6.32 5.55
8BC200S 2040 94 8.75 45.5 0.155 1800 147.1 154.5 144.3 154.3 137.5 135.4 1980 161.1 170.2 157.7 169.8 150.3
33.4 42.6 222.3 1156 3.93 124 4.16 4.38 4.09 4.37 3.89 3.83 137 4.56 4.82 4.47 4.81 4.26
8BC220 2640 114 9.28 51 0.187 2015 212 224.2 207.5 223.7 197.8 194.3 2216 231.7 246.8 226.5 246 216
43.3 51.7 235.7 1295 4.75 139 6 6.35 5.88 6.33 5.6 5.5 153 6.56 6.99 6.41 6.97 6.12
8BC220S 2270 104 9.28 45 0.211 2265 203.4 216.9 198.8 216.2 189.6 185.8 2491 221.3 238.2 216.3 237.3 206.9
37.2 47.2 235.7 1143 5.36 156 5.76 6.14 5.63 6.12 5.37 5.26 172 6.27 6.74 6.13 6.72 5.86
8BC250 2640 115 9.28 51 0.211 2265 236.6 252.2 231.2 251.4 220.5 216 2491 257.4 277 251.6 276 240.6
43.3 52.2 235.7 1295 5.36 156 6.7 7.14 6.55 7.12 6.24 6.12 172 7.29 7.84 7.12 7.82 6.81
8BC295 2447 135 9.02 50.5 0.266 2900 273.3 297.4 266.4 296.4 256.3 249.3 3190 296.4 325.2 288.7 324 279.5
40.1 61.2 229 1283 6.75 200 7.74 8.42 7.54 8.39 7.26 7.06 220 8.39 9.21 8.17 9.17 7.91
8BC300 2995 134 9.28 55.5 0.224 2400 282.6 303.2 276.4 302.1 263.9 258.2 2640 307.5 332.4 300.2 331.2 287.8
49.1 60.8 235.7 1410 5.69 165 8 8.58 7.83 8.55 7.47 7.31 182 8.71 9.41 8.5 9.38 8.15
8BC340 2557 170 9.15 51 0.326 3500 334.6 370.1 325.9 368.8 317.6 307.2 3850 360.8 401.5 350.6 400.3 345.6
41.9 77.1 232.5 1295 8.28 241 9.47 10.48 9.22 10.44 8.99 8.69 266 10.21 11.36 9.92 11.33 9.78
8BC345 2557 170 9.31 51 0.336 3600 341.4 378.1 332.1 376.9 325.3 314.1 3960 369.3 411.7 358.8 410.5 354.6
41.9 77.1 236.5 1295 8.53 248 9.66 10.7 9.4 10.67 9.21 8.89 273 10.46 11.66 10.16 11.63 10.04
8BC370 3058 161 9.02 61 0.266 2900 341.5 371.7 332.9 370.4 320.3 311.6 3190 370.4 406.4 360.8 404.9 349.3
50 73 229 1550 6.75 200 9.67 10.53 9.43 10.49 9.07 8.82 220 10.49 11.51 10.22 11.47 9.89
8BC435 2285 267 9.37 51 0.568 6000 441.9 507 426.8 502.9 454.1 425.8 660 466.5 538 450.7 531.9 491.4
37.4 121.1 238 1295 14.43 414 12.51 14.36 12.08 14.24 12.86 12.06 455 13.21 15.23 12.76 15.06 13.91
10BC100A 4079 188 10.69 58 0.25 2300 370.5 395.7 362.2 394.4 346.5 338.4 2530 403.2 434.5 394 432.9 377
66.8 85.3 271.5 1473 6.35 159 10.49 11.21 10.26 11.17 9.78 9.58 174 11.42 12.3 11.16 12.26 10.68
10BC400 3960 186 10.69 56 0.258 2400 373.6 400.8 365.5 399.4 348.9 341.4 2640 406.5 439.5 396.9 437.9 380.5
64.9 84.4 271.5 1422 6.55 165 10.58 11.35 10.35 11.31 9.88 9.67 182 11.51 12.45 11.24 12.4 10.78
11BC439 5000 210 11.13 64.25 0.257 2300 454.2 485.1 444 483.5 423.5 414.8 2530 494.3 532.6 483 530.7 462.2
81.9 95.3 282.6 1632 6.53 159 12.86 13.74 12.57 13.69 11.99 11.75 174 14 15.08 13.68 15.03 13.09
11BC615 4893 270 11.25 64 0.343 3000 563.3 614.7 548.8 612.5 528.9 513.8 3300 609.5 670.8 593.7 668.4 576.2
80.2 122.5 285.8 1626 8.71 207 15.95 17.41 15.54 17.34 14.98 14.55 228 17.26 18.99 16.81 18.93 16.32
DOT Special Permits SP9370 / TC Equivalency Certificates SU 42102
8BC360 2640 115 9.25 51 0.211 3280 327.2 359.9 318.7 358.6 309.2 NA 10% Overfill Not allowed for these Cylinders
43.3 52.2 235 1295 5.36 226 9.27 10.19 9.03 10.15 8.76 NA
8BC440 3181 144 9.4 57.5 0.219 3330 399.3 439.7 388.9 438.1 377.7 NA 10% Overfill Not allowed for these Cylinders
52.1 65.3 238.8 1461 5.56 230 11.31 12.45 11.01 12.41 10.69 NA
DOT Special Permits SP10869 / TC Equivalency Certificates SU 43692
8HP500C 2750 140 9.41 50.5 0.274 4500 436.9 491 424.1 490.5 426.6 NA 10% Overfill Not allowed for these Cylinders
45 63.5 239 1282 6.96 310 12.37 13.9 12.01 13.89 12.08 NA
8HP535C 2750 170 9.409 52.5 0.309 5000 471.8 531.1 456 532 467.5 NA 10% Overfill Not allowed for these Cylinders
45.1 77.1 239 1334 7.85 345 13.36 15.04 12.91 15.06 13.23 NA
8HP585C 2641 195 9.409 52 0.373 6000 510.5 585.8 493.1 581 524.6 NA 10% Overfill Not allowed for these Cylinders
43.3 88.5 239 1321 9.47 414 14.45 16.58 13.96 16.45 14.85 NA
8HP500LC 2850 146 9.41 52.5 0.274 4500 452 508 438.8 507.4 441.4 NA 10% Overfill Not allowed for these Cylinders
46.7 66.1 239 1334 6.96 310 12.8 14.38 12.42 14.36 12.5 NA
8HP550C 3051 159 9.41 56.5 0.274 4500 486 546.2 471.8 545.6 474.6 NA 10% Overfill Not allowed for these Cylinders
50 72.1 239 1435 6.96 310 13.76 15.47 13.36 15.45 13.44 NA
8HP575C 3210 167 9.41 58.25 0.274 4500 511.3 574.6 496.3 574 499.3 NA 10% Overfill Not allowed for these Cylinders
52.6 75.7 239 1479 6.96 310 14.48 16.27 14.05 16.25 14.14 NA
Notes:
1 DOT Regulations permit filling these cylinders with 10% overcharge (from DOT rated pressure) provided certain other requirements are met.
2 Under no circumstances are these cylinders to be filled to a pressure exceeding the marked service pressure at 70 F.
-All Cylinders furnished with 3/4" NGT inlet threads, unless specified otherwise.
-Nominal weight includes neckring but excludes the valve and cap.
-Cylinder capacities are approximate at 70 F (21 C).