| 1. | Plug valve - potential pressure life test regulation
旋塞阀.静压寿命试验规程 |
| 2. | General purpose industrial valves - iron plug valves
通用阀门铁制旋塞阀 |
| 3. | Resilient - seated cast iron eccentric plug valves
弹性座式铸铁偏心塞阀 |
| 4. | Metal plug valves - flanged and welding ends
金属塞阀.法兰和焊接端 |
| 5. | Cocks with female scpew connection cock type level indicator
内螺纹连接旋塞阀旋塞式液面指示器 |
| 6. | Cock assembly for domestic gas appliance
家用燃气器具旋塞阀总成 |
| 7. | The valve type shall be globe valve
阀体型式为直通型柱塞阀 |
| 8. | Be sure to close test cock before pressurizing valve
在重新对阀门加压之前，请确认关闭测试旋塞阀。 |
| 9. | Specification for cast iron plug valves
铸铁旋塞阀规范 |
| 10. | Railway rolling stock . shut - off plug valves , for compressed air circuits
铁路车辆.压缩空气管路用截止塞阀 |
