Nps nominal 管道 sizes
參考 數据 與 工程 information about nps nominal 管道 sizes 用于 fluid mechanics applications.
npsnominalpipesizes
Overview
Nominal Pipe Size (NPS) is the North American standard for pipe sizing. The nominal size does not match the actual outside diameter for sizes above 12 inches.
Data Table
16 行
NPS(in) | Outside Diameter(mm) | ID (Sch 40)(mm) | ID (Sch 80)(mm) |
|---|---|---|---|
| 1/8 | 10.3 | 6.8 | 5.5 |
| 1/4 | 13.7 | 9.2 | 7.7 |
| 3/8 | 17.1 | 12.5 | 10.7 |
| 1/2 | 21.3 | 15.8 | 13.8 |
| 3/4 | 26.7 | 20.9 | 18.5 |
| 1 | 33.4 | 26.6 | 24.3 |
| 1-1/4 | 42.2 | 35.1 | 32.5 |
| 1-1/2 | 48.3 | 40.9 | 38.1 |
| 2 | 60.3 | 52.5 | 49.3 |
| 2-1/2 | 73 | 62.7 | 59 |
| 3 | 88.9 | 77.9 | 73.7 |
| 4 | 114.3 | 102.3 | 97.2 |
| 6 | 168.3 | 154.1 | 146.4 |
| 8 | 219.1 | 202.7 | 193.7 |
| 10 | 273.1 | 254.5 | 244.5 |
| 12 | 323.9 | 303.2 | 292.1 |
來源: engineeringtoolbox.com
Notes
- Values are at standard conditions unless otherwise noted
- Always verify values for critical applications