| 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. | Specification for cast iron plug valves
铸铁旋塞阀规范 |
| 6. | 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 |
| 7. | Specification for steel plug valves
钢塞阀规范 |
| 8. | Rotary eccentric plug valve
偏心旋转阀 |
| 9. | Gland packing plug valve
填料式旋塞阀 |
| 10. | Lubricated plug valve
油封式旋塞阀 |
