Dimensions of Cast Copper Alloy Pipe Threaded Flanges - Class 300 to ASME B16.24.
Dimensions indicated are in inches.
Thickness of Blind Flange is same as thickness 'T' indicated in table below.
| Pipe Size (in) |
OD of Flange (in) |
Thk of Flange T (in) |
Overall Length Th (in) |
Dia of Hub H (in) |
Dia of Bolt Circle BCD (in) |
No. of Bolts |
Dia of Bolts (in) |
Stud Bolt Length (in) |
|---|---|---|---|---|---|---|---|---|
| 1/2 | 3-3/4 | 1/2 | 19/32 | 1-3/16 | 2-5/8 | 4 | 1/2 | 2-1/4 |
| 3/4 | 4-5/8 | 17/32 | 5/8 | 1-1/2 | 3-1/4 | 4 | 5/8 | 2-1/2 |
| 1 | 4-7/8 | 19/32 | 11/16 | 1-15/16 | 3-1/2 | 4 | 5/8 | 2-5/8 |
| 1-1/4 | 5-1/4 | 5/8 | 13/16 | 2-5/16 | 3-7/8 | 4 | 5/8 | 2-3/4 |
| 1-1/2 | 6-1/8 | 11/16 | 7/8 | 2-9/16 | 4-1/2 | 4 | 3/4 | 3-1/8 |
| 2 | 6-1/2 | 3/4 | 1 | 3-1/16 | 5 | 4 | 3/4 | 3 |
| 2-1/2 | 7-1/2 | 13/16 | 1-1/8 | 3-9/16 | 5-7/8 | 8 | 3/4 | 3-3/5 |
| 3 | 8-1/4 | 29/32 | 1-3/16 | 4-1/4 | 6-5/8 | 8 | 3/4 | 3-1/2 |
| 3-1/2 | 9 | 31/32 | 1-1/4 | 4-13/16 | 7-1/4 | 8 | 3/4 | 3-5/8 |
| 4 | 10 | 1-1/16 | 1-5/16 | 5-5/16 | 7-7/8 | 8 | 3/4 | 3-7/8 |
| 5 | 11 | 1-1/8 | 1-7/16 | 6-7/16 | 9-1/4 | 8 | 3/4 | 4 |
| 6 | 12-1/2 | 1-3/16 | 1-9/16 | 7-9/16 | 10-5/8 | 12 | 3/4 | 4-1/8 |
| 8 | 15 | 1-3/8 | 1-3/4 | 9-11/16 | 13 | 12 | 7/8 | 4-3/4 |