Orifice Plate - ANSI Class 125-2500 (in) | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|
|
Pipe Size (NPS) | A | 125 to 2500 | ||||||||
|
150 & 150 |
250 & 300 |
400 |
600 |
900 |
1500 |
2500 |
B |
C |
D | |
| 1/2 | 1 7/8 | 2 1/8 | 2 1/8 | 2 1/8 | 2 1/2 | 2 1/2 | 2 3/4 | 4 | 1 | 1/8 |
| 3/4 | 2 1/4 | 2 5/8 | 2 5/8 | 2 5/8 | 2 3/4 | 2 3/4 | 3 | 4 | 1 | 1/8 |
| 1 | 2 5/8 | 2 7/8 | 2 7/8 | 2 7/8 | 3 1/8 | 3 1/8 | 3 3/8 | 4 | 1 | 1/8 |
| 1 1/4 | 3 | 3 1/4 | 3 1/4 | 3 1/4 | 3 1/2 | 3 1/2 | 4 1/8 | 4 | 1 | 1/8 |
| 1 1/2 | 3 3/8 | 3 3/4 | 3 3/4 | 3 3/4 | 3 7/8 | 3 7/8 | 4 5/8 | 4 | 1 | 1/8 |
| 2 | 4 1/8 | 4 3/8 | 3 3/4 | 3 3/4 | 5 5/8 | 5 5/8 | 5 3/4 | 4 | 1 | 1/8 |
| 2 1/2 | 4 7/8 | 5 1/8 | 5 1/8 | 5 1/8 | 6 1/2 | 6 1/2 | 6 5/8 | 4 | 1 1/4 | 1/8 |
| 3 | 5 3/8 | 5 7/8 | 5 7/8 | 5 7/8 | 6 5/8 | 6 7/8 | 7 3/4 | 4 | 1 1/4 | 1/8 |
| 3 1/2 | - | - | - | - | - | - | - | - | - | - |
| 4 | 6 7/8 | 7 1/8 | 7 | 7 5/8 | 8 1/8 | 8 1/4 | 9 1/4 | 4 | 1 1/4 | 1/8 |
| 5 | 7 3/4 | 8 1/2 | 8 3/8 | 9 1/2 | 9 3/4 | 10 | 11 | 5 | 1 1/2 | 1/8 |
| 6 | 8 3/4 | 9 7/8 | 9 3/4 | 10 1/2 | 11 3/8 | 11 1/8 | 12 1/2 | 5 | 1 1/2 | 1/8 |
| 8 | 11 | 12 1/8 | 12 | 12 5/8 | 14 1/8 | 13 7/8 | 15 1/4 | 5 | 1 1/2 | 1/8 |
| 10 | 13 3/8 | 14 1/4 | 14 1/8 | 15 3/4 | 17 1/8 | 17 1/8 | 18 3/4 | 6 | 1 1/2 | 1/4 |
| 12 | 16 1/8 | 16 5/8 | 16 1/2 | 18 | 19 5/8 | 20 1/2 | 21 5/8 | 6 | 1 1/2 | 1/4 |
| 14 | 17 3/4 | 19 1/8 | 19 | 19 3/8 | 20 1/2 | 22 3/4 | - | 6 | 1 1/2 | 1/4 |
| 16 | 20 1/4 | 21 1/4 | 21 1/8 | 22 1/4 | 22 5/8 | 25 1/4 | - | 6 | 1 1/2 | 3/8 |
| 18 | 21 1/2 | 23 3/8 | 23 1/4 | 24 | 25 | 27 5/8 | - | 6 | 1 1/2 | 3/8 |
| 20 | 23 3/4 | 25 3/8 | 25 3/8 | 26 3/4 | 27 3/8 | 29 5/8 | - | 6 | 1 1/2 | 3/8 |
| 22 | 26 | 27 3/4 | 27 1/2 | 28 7/8 | - | - | - | 6 | 1 1/2 | 3/8 |
| 24 | 28 1/8 | 30 3/8 | 30 1/8 | 31 | 32 7/8 | 35 1/2 | - | 6 | 1 1/2 | 1/2 |
