| 1. | Valves with female screw ends for water - heating system
水暖用内螺纹连接阀门 |
| 2. | 039 - 1 inner connector fittings 039 - 2 thread conversion fittings
Icm型金属内螺纹连接头 |
| 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. | Mechanical pressure switch with female connection and flange mounted
机械压力开关，内螺纹连接和法兰安装 |
| 5. | The male and female joint confines the gasket o . d and i . d
这种外螺纹和内螺纹连接限制了垫圈的外径和内径。 |
| 6. | Valves for gas installations ; straight pattern stop cocks female threaded ends
气体装置阀.内螺纹连接端直通型旋塞 |
| 7. | Model 3165 3166 mechanical pressure switch with female connection and flange mounted
机械压力开关，内螺纹连接和法兰安装 |
| 8. | Face - to - face and centre - to - face dimensions of valves ; valves with female thread connection
阀门面到面尺寸和中心到面尺寸.第4部分:带内螺纹连接 |
| 9. | The male x female thread end connecting eliminates the need for special pipe connectors and gives flexibility when connecting pipe systems of different design
外螺纹连接端口内螺纹连接端口避免配置专用的管道连接件，便得接连不同结构的管道系统时具有灵活性。 |
