| 1. | Maximum operating pressure differential 最大工作压差 |
| 2. | Maximum operating pressure 最高工作压力 |
| 3. | 16 . gas supply systems - pipelines for maximum operating pressure over 16 bar - functional requirements 燃气供应系统.最大工作压力 |
| 4. | Gas supply systems - pipelines for maximum operating pressure over 16 bar - functional requirements 燃气供应系统.最大工作压力超过16巴的气体管道.功能要求 |
| 5. | Gas supply - gas pipework in buildings - maximum operating pressure 5 bar - functional recommendations 燃气供应.建筑物中的燃气管道.最大工作压力为5bar .功能性推荐标准 |
| 6. | Gas supply systems - pipelines for maximum operating pressure over 16 bar - functional requirements ; german version en 1594 : 2000 供气系统.最大工作压力大于16巴的管道.功能要求 |
| 7. | Valves for gas distribution systems with maximum operating pressure less than or equal to 16 bar - performance requirements 最大工作压力小于或等于16巴的配气系统用阀门.性能要求 |
| 8. | Valves for gas distribution systems with maximum operating pressure less than or equal 16 bar - performance requirements 最大工作压力等于或小于16巴的气体分配系统的阀门.性能要求 |
| 9. | 5 . gas supply - gas pipework for buildings - maximum operating pressure up to and including 5 bar - functional recommendations 燃气供应.建筑物的燃气管道工程.最大工作压力不超过 |
| 10. | Valves for gas distribution systems with maximum operating pressure 16 bar - performance requirements ; german version en 13774 : 2003 最大工作压力为16bar及以下的配气系统用阀.性能要求 |