| 1. | Industrial process measurement and control instrument . series of nominal size
工业自动化仪表.公称通径值系列 |
| 2. | Nominal size for pipe components
管道元件的公称通径 |
| 3. | Nominal diameter : dn15 dn400
公称通径： dn15dn400 |
| 4. | Same as the nominal size of the pipe into which the valve will be installed
与阀门将要安装的管道的公称通径相同。 |
| 5. | Normal diameters for ventilation pipe line and accessories for ships metric series
船用通风系统管路和附件的公称通径 |
| 6. | Nominal size of the pipeline into which the valve will be placed must be determined
必须确定与阀门连接的管道的公称通径。 |
| 7. | Nominal diameterdn mm
公称通径dn mm |
| 8. | Outer diameter of pipedw
公称通径 |
| 9. | Nominal diameter dg
公称通径dg |
| 10. | Nominal diameter dn
公称通径dn |
