| Outer Diameter | DN15~DN550 |
| Pressure Range | gas transmission double-wall pipe 25 ~ 1000bar |
| Design Temperature | -90℃~80℃ |
| Material | 316L、S32205 |
| Outer Diameter | DN15~DN550 |
| Pressure Range | 0 ~ 25bar for gas transmission double-wall pipe |
| Design Temperature | -90℃~80℃ |
| Material | 316L |
| Outer Diameter | DN15~DN550 |
| Pressure Range | 0~30bar |
| Design Temperature | -198℃~80℃ |
| Material | 316L |
| Outer Diameter | DN15~DN550 |
| Pressure Range | 0~30bar |
| Design Temperature | -163℃~80℃ |
| Material | 316L |