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| Serial No. | Type | Nominal working Pressure | Water test pressure | Volume | Design wall thickness | Nominal Outer Dia. | Length | Weight | Material for cylinder | Carry out standard |
| 1 | CNP20-34-279A | 20 | 33.4 | 34 | 7.5 | 279 | 1080 | 76 | 30CrMo | GB17258 |
| 2 | CNP20-50-279A | 20 | 33.4 | 50 | 7.5 | 1290 | 88 | 30CrMo | ||
| 3 | CNP20-53-279A | 20 | 33.4 | 53 | 7.5 | 1490 | 99 | 30CrMo | ||
| 4 | CNP20-60-279A | 20 | 33.4 | 60 | 7.5 | 1640 | 108 | 30CrMo | ||
| 5 | CNP20-55-325A | 20 | 33.4 | 55 | 4.9 | 325 | 865 | 41 | 30CrMo | |
| 6 | CNP20-60-325A | 20 | 33.4 | 60 | 4.9 | 930 | 43 | 30CrMo | ||
| 7 | CNP20-65-325A | 20 | 33.4 | 65 | 4.9 | 995 | 46 | 30CrMo | ||
| 8 | CNP20-70-325A | 20 | 33.4 | 70 | 4.9 | 1060 | 49 | 30CrMo | ||
| 9 | CNP20-80-325A | 20 | 33.4 | 80 | 4.9 | 1190 | 55 | 30CrMo | ||
| 10 | CNP20-90-325A | 20 | 33.4 | 90 | 4.9 | 1320 | 60 | 30CrMo |
type1 CNG cylinder