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Bolts and Nuts Dimensions for ANSI ASME B16.5 Flange Class150
Bolt and Nut dimensions for Class 150 ASME/ANSI B16.5 steel pipe flanges.
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IMPORTANT NOTES:
- All dimensions are in inches.
- Two types of bolting can be employed: Stud Bolt with Nuts or Machine Bolt with Nuts.
- Length of stud bolts don't include point height.
- When converted to metric unit, the length value can be rounded to the nearest 5mm.
| NPS | No. of Bolts | Dia. of Bolts |
Length of Stud Bolt |
Length of Machine Bolt |
| 1/2" | 4 | 0.500 | 2-1/4" | 2" |
| 3/4" | 4 | 0.500 | 2-1/2" | 2" |
| 1" | 4 | 0.500 | 2-1/2" | 2-1/4" |
| 1-1/4" | 4 | 0.500 | 2-3/4" | 2-1/4" |
| 1-1/2" | 4 | 0.500 | 2-3/4" | 2-1/2" |
| 2" | 4 | 0.625 | 3-1/4" | 2-3/4" |
| 2-1/2" | 4 | 0.625 | 3-1/2" | 3" |
| 3" | 4 | 0.625 | 3-1/2" | 3" |
| 3-1/2" | 8 | 0.625 | 3-1/2" | 3" |
| 4" | 8 | 0.625 | 3-1/2" | 3" |
| 5" | 8 | 0.750 | 3-3/4" | 3-1/4" |
| 6" | 8 | 0.750 | 4" | 3-1/4" |
| 8" | 8 | 0.750 | 4-1/4" | 3-1/2" |
| 10" | 12 | 0.875 | 4-1/2" | 4" |
| 12" | 12 | 0.875 | 4-3/4" | 4" |
| 14" | 12 | 1.000 | 5-1/4" | 4-1/2" |
| 16" | 16 | 1.000 | 5-1/4" | 4-1/2" |
| 18" | 16 | 1.125 | 5-3/4" | 5" |
| 20" | 20 | 1.125 | 6-1/4" | 5-1/2" |
| 24" | 20 | 1.250 | 6-3/4" | 6" |
Views: 7642 Author：METALS INDUSTRIAL Date:2014/12/30