CNG tubes trailers use four major types of CNG Tubes. The types include CNG-1, CNG-2, CNG-3, and CNG-4. The quality and number of filaments vary across the four types.
The higher the number of CNG tube, the lighter the quality, the more the filament, and the harder the manufacturing process. Below is a description of the materials used to make each of these models of CNG tubes.
Series of products
1)CNG-I （Type I CNG cylinder: Seamless steel gas cylinder）、CNG-II（Type II composite CNG cylinders for vehicle）
Water volume (L): 50 60 75 80 90 100 130 140 145
Outside diameter (mm): 219 232 273 356 406
Service pressure (bar): 200
2)CNG-Ⅲ（Type Ⅲ fully wrapped carbon fiber reinforced aluminum lined composite CNG cylinder for vehicle）
Water volume (L):80 100 135 150
Outside diameter (mm): 396
Service pressure (PSI): 3600
The product has passed DOT, KGS, TC, ABS, BV and TPED certification.
OGF have provided products to Canada, USA, UK, Peru, Australia, Malaysia, Indonesia, Japan, Korea, Iraq, Egypt, Nigeria and China etc.