| 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. | 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 |
| 4. | Cock assembly for domestic gas appliance
家用燃气器具旋塞阀总成 |
| 5. | 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。 |
| 6. | Specification for cast iron plug valves
铸铁旋塞阀规范 |
| 7. | Standard specification for interchangeable taper - ground stopcocks and stoppers
可互换的圆锥接地旋塞阀和栓塞的标准规范 |
| 8. | Gland packing plug valve
填料式旋塞阀 |
| 9. | Lining t - cock valves
衬里三通旋塞阀 |
| 10. | Lubricated plug valve
油封式旋塞阀 |
