| 1. | Acoustics - acoustic insulation for pipes , valves and flanges 声学.管阀和法兰隔声 |
| 2. | Branch pipe valves . stopcocks . nominal pressure pn 10 支流管阀.制动旋塞.公称压力pn 10 |
| 3. | Elbow valves for refrigerant circuits ; nominal pressure 25 bar 公称压力25巴的冷冻电路的弯管阀 |
| 4. | Gate valve dsf6 - 3z41h - 4 . 0flange gate valve 仪表管阀件系列 |
| 5. | Gas pipelines ; size 4 valve box 气体管道. 4号规格的管阀箱 |
| 6. | Gas pipelines ; size 1 valve box 气体管道. 1号规格的管阀箱 |
| 7. | Gas pipelines ; size 2 valve box 气体管道. 2号规格的管阀箱 |
| 8. | Gas pipelines ; size 5 valve box 气体管道. 5号规格的管阀箱 |
| 9. | Gas pipelines ; size 3 valve box 气体管道. 3号规格的管阀箱 |
| 10. | Dsf4 - 10bj49w manometer stop valve 仪表管阀件系列 |