Flanges
Slip on flanges
Blind flanges
| Table
F for W. Steam Pressure 100 lbs per Sq. Inch (in inchines) |
Table
H for W. Steam Pressure 150 lbs and upto 250 lbs per Sq. Inch (in inchines) |
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| Nominal |
Dia. of Flange |
I.D. of Flange | Dia. of Bolt Circle |
No. of |
Dia. of Bolt Holes |
Thickness | Nominal |
Dia. of Flange |
I.D. of Flange | Dia. of Bolt Circle |
No. of |
Dia. of Bolt Holes |
Thickness | |
| Pipe Size | D | d5 | k | Holes | d2 | b | Pipe Size | D | d5 | k | Holes | d2 | b | |
| 1/2" | 3.3/4" | 7/8" | 2.5/8" | 4 | 5/8" | 3/8" | 1/2" | 4.1/2" | 7/8" | 3.1/4" | 4 | 3/4" | 1/2" | |
| 3/4" | 4" | 1.3/32" | 2.7/8" | 4 | 5/8" | 3/8" | 3/4" | 4.1/2" | 1.3/32" | 3.1/4" | 4 | 3/4" | 1/2" | |
| 1" | 4.3/4" | 1.23/64" | 3.7/16" | 4 | 3/4" | 3/8" | 1" | 4.3/4" | 1.23/64" | 33.7/16" | 4 | 3/4" | 9/16" | |
| 1.1/4" | 5.1/4" | 1.45/64" | 3.7/8" | 4 | 3/4" | 1/2" | 1.1/4" | 5.1/4" | 1.45/64" | 3.7/8" | 4 | 3/4" | 11/16" | |
| 1.1/2" | 5.1/2" | 1.15/16" | 4.1/8" | 4 | 3/4" | 1/2" | 1.1/2" | 5.1/2" | 1.15/16" | 4.1/8" | 4 | 3/4" | 11/16" | |
| 2" | 6.1/2" | 2.7/16" | 5" | 4 | 3/4" | 5/8" | 2" | 6.1/2" | 2.7/16" | 5" | 4 | 3/4" | 3/4" | |
| 2.1/2 | 7.1/4" | 2.15/16" | 5.3/4" | 8 | 3/4" | 5/8" | 2.1/2" | 7.1/4" | 2.15/16" | 5.3/4" | 8 | 3/4" | 3/4" | |
| 3" | 8" | 3.37/64" | 6.1/2" | 8 | 3/4" | 5/8" | 3" | 8" | 3.37/64" | 6.1/2" | 8 | 3/4" | 7/8" | |
| 3.1/2" | 8.1/2" | 4.5/64" | 7" | 8 | 3/4" | 3/4" | 3.1/2" | 8.1/2" | 4.5/64" | 7" | 8 | 3/4" | 7/8" | |
| 4" | 9" | 4.37/64" | 7.1/2" | 8 | 3/4" | 3/4" | 4" | 9" | 4.37/64" | 7.1/2" | 8 | 3/4" | 1" | |
| 5" | 11" | 5.43/64" | 9.1/4" | 8 | 7/8" | 7/8" | 5" | 11" | 5.43/64" | 9.1/4" | 8 | 7/8" | 1.1/8" | |
| 6" | 12" | 6.23/32" | 10.1/4" | 12 | 7/8" | 7/8" | 6" | 12" | 6.23/32" | 10.1/4" | 12 | 7/8" | 1.1/8" | |
| 7" | 13.1/4" | 7.5/8" | 11.1/2" | 12 | 7/8" | 7/8" | 7" | 13.1/4" | 7.5/8" | 11.1/2" | 12 | 7/8" | 1.1/4" | |
| 8' | 14.1/2" | 8.23/32" | 12.3/4" | 12 | 7/8" | 1" | 8" | 14.1/2" | 8.23/32" | 12.3/4" | 12 | 7/8" | 1.1/4" | |
| 9" | 16" | 9.23/32" | 14" | 12 | 1" | 1.1/8" | 9" | 16" | 9.23/32" | 14" | 12 | 1" | 1.3/8" | |
| 10" | 17" | 10.7/8" | 15" | 12 | 1" | 1.1/8" | 10" | 17" | 10.7/8" | 15" | 12 | 1" | 1.3/8" | |
| 12" | 19.1/4" | 12.7/8" | 17.1/4" | 16 | 1" | 1.1/4" | 12" | 19.1/4" | 12.7/8" | 17.1/4" | 16 | 1" | 1.5/8" | |
| 14" | 21.3/4" | 14.9/64" | 19.1/2" | 16 | 1.1/8" | 1.3/8" | 4" | 21.3/4" | 14.9/64" | 19.1/2" | 16 | 1.1/8" | 1.7/8" | |
| 16" | 24" | 16.5/32" | 21.3/4" | 20 | 1.1/8" | 1.5/8" | 6" | 24" | 16.5/32" | 21.3/4" | 20 | 1.1/8" | 2.1/8" | |
| 18" | 26.1/2" | 18.3/16" | 24" | 20 | 1.1/4" | 1.3/4" | 18" | 26.1/2" | 18.3/16" | 24" | 20 | 1.1/4" | 2.3/8" | |
| 20" | 29" | 20.13/16" | 26.1/2" | 24 | 1.1/4" | 2" | 20" | 29" | 20.13/16" | 26.1/2" | 24 | 1.1/4" | 2.5/8" | |
| 24" | 33.1/2" | 24.1/4" | 30.3/4" | 24 | 1.5" | 2.1/4" | 24" | 33.1/2" | 24.1/4" | 30.3/4" | 24 | 1.5" | 3" | |
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