| 1. | Specification of high pressure thread joint penetration pieces
高压螺纹接头通舱管件规范 |
| 2. | The joining technique of reinforced roller linear threaded joint
钢筋滚压直螺纹连接技术 |
| 3. | Means for resealing threaded joints of gas pipework in buildings
建筑物内气体管道的螺纹接头重新密封方法 |
| 4. | Means for resealing threaded joints of gas pipework in buildings
建筑物燃气管道工程的螺纹接头的再密封方法 |
| 5. | Threaded joint for brarch pipe
支管螺纹接头 |
| 6. | Means for resealing threaded joints of gas pipework in buildings ; german version en 13090 : 2000
建筑物燃气管道螺纹接头再密封方法 |
| 7. | Butt welding , electro welding , sleeve coupling , ring seal socket , expansion socket , screw - threaded joint and flange
对焊，电熔焊，承插连接，螺纹连接和法兰连接。 |
| 8. | Specification is 3 / 4 - 3 ins . inlet and outlet is screw thread joint . used for pulse - dust - cleaning system
规格有3 / 4 - 3英寸，进出口为螺纹连接，最适用于脉冲清灰系统上。 |
| 9. | Different connections : butt welding , electro welding , ring seal socket , expansion socket , screw - threaded joint , flange
多种连接方式：对焊，电熔焊，承插连接，螺纹连接，法兰连接 |
| 10. | Type of “ t ” . valves : specification is 3 / 4 - 3 ins . inlet and oulet is screw thread joint . used for pulse - dust - cleaning system
型阀：规格有3 / 4 - 3英寸，进出口为螺纹连接，最适用于脉冲清灰系统上。 |
