| GB-17258 standard cng cylinder series comply with international standard of ISO11439:2000 as well;the feature of cylinder is high non-aging properties,low volume weight rate.  
   
    | Type | Water Capacity | Height(mm) | Weight(mm) | Service Pressure(mpa) | Design Wall Thickness | Material |   
    | CNP20-40-279A | 40 | 900 | 55 | 20 | 7.8 | 30Crmo |   
    | CNP20-40-279A | 50 | 1090 | 65 | 20 | 7.8 |   
    | CNP20-40-279A | 60 | 1280 | 76 | 20 | 7.8 |   
    | CNP20-40-279A | 70 | 1470 | 86 | 20 | 7.8 |   
    | CNP20-40-279A | 80 | 1660 | 97 | 20 | 7.8 |   
    | CNP20-40-279A | 90 | 1850 | 107 | 20 | 7.8 |  |