| 1. | 4dm outer - thread copper pipe union of the inlet and the outlet 进水口出水口为4分15外螺铜管接头 |
| 2. | Malleable iron threaded pipe unions ; classes 150 , 250 , and 300 可锻铁螺纹管活接头:等级150 250和300 |
| 3. | Malleable iron threaded pipe unions 可锻铁螺纹管活接头 |
| 4. | Pipe unions for flammable and combustible fluids and fire - protection service 易燃和可燃流体与消防用管接头 |
| 5. | 4dm inner - thread flexible joint copper pipe union of the inlet and the outlet 进水口出水口为4分15内螺纹活接铜管接头 |
| 6. | Bearing oil pipe union 轴承润滑油管接头 |
| 7. | Blower pipe union 吹风管连管节 |
| 8. | Angular pipe union 弯管接头 |
| 9. | Fcd . 3 138b : 4ds outer - thread copper pipe union at both ends of the inlet and the outlet Fcd . 3 138b :进水口出水口两端为4分15外螺纺铜管接头 |
| 10. | Fcd . 3 138c : 4ds outer - thread copper pipe union at both ends of the inlet and the outlet Fcd . 3 138b :进水口出水口两端为4分15外螺纺铜管接头 |