| 1. | End connections ? choice of raised face smooth finish or ring type joint for piping flexibility 连接端口-根据管道特点选择凸面光滑表面或环连接端口。 |
| 2. | Plastics piping systems - thermoplastics piping systems for buried non - pressure applications - test methods for leaktightness of elastomeric sealing ring type joints 塑料管道系统.地下无压用热塑性管道系统.弹性密封环型接头密封性的试验方法 |
| 3. | Plastics piping systems - thermoplastics piping systems for buried non - pressure applications - test methods for leaktightness of elastomeric sealing ring type joints ; german version en 1277 : 2003 塑料管道系统.用于地下无压装置的热塑性管道系统.橡 |
| 4. | Plastics piping systems - thermoplastics piping systems for buried non - pressure applications - test methods for leaktightness of elastomeric sealing ring type joints 塑料管道系统.用于地下无压装置的热塑性管道系统.橡胶密封环型连接件密封性的试验方法 |
| 5. | Plastics piping systems - elastomeric sealing ring type joints and mechanical joints for thermoplastics pressure piping - test method for leaktightness under external hydrostatic pressure ; german version en 911 : 1995 塑料管道系统.热塑塑料压力管道用的弹性密封环型接头 |
| 6. | Plastics piping systems . elastomeric sealing ring type joints and mechanical joints for thermoplastics pressure piping . test method for leaktightness under external hydrostatic pressure 塑料管道系统.热塑塑料压力管道用的弹性密封环型接头和机械接头.外部液压条件下防漏密封试验方法 |
| 7. | Plastics piping systems - elastomeric sealing ring type joints and mechanical joints for thermoplastics pressure piping - test method for leaktightness under external hydrostatic pressure 塑料管道系统.热塑塑料压力管道用的弹性密封环型接头和机械接头.外部流体静压条件下防漏密封试验方法 |
| 8. | Plastics piping systems . injection - moulded thermoplastics fittings for elastic sealing ring type joints for pressure piping . test method for resistance to a short - term internal pressure without end thrust 塑料管道系统.压力管道用弹性密封圈型接头的注模热塑配件.耐无端推力短暂内压力性能的试验方法 |
| 9. | Thermoplastics piping systems - non - end - load - bearing elastomeric sealing ring type joints between pressure pipes and moulded fittings - test method for leaktightness under internal hydrostatic pressure whithout end thrust ; german version en 714 : 1994 热塑管道系统.压力管道和模压管件之间无末端承载的橡 |
| 10. | Plastics piping systems - injection - moulded thermoplastics fittings for elastic sealing ring type joints for pressure piping - test method for resistance to a short - term internal pressure without end thrust 塑料管道系统.压力管道的弹性密封圈式连接件用注模制热塑塑料性配件.耐无部端推力的快速内压的试验方法 |