asme-b-16-5-class-400

Bolt and Stud Bolt Dimensions for ASME B16.5 Class 2500 Flanges

Nominal Pipe Size, NPSDiameter of Bolts, in.Length of Bolts, L
Raised Face 0.25 in.Male and Female/ Tongue and GrooveRing Joint
1/23/44.754.504.75
3/43/45.004.755.00
17/85.505.255.50
1 1/416.005.756.00
1 1/21 1/86.756.506.75
217.006.757.00
2 1/21 1/87.757.508.00
31 1/48.758.509.00
41 1/210.009.7510.25
51 3/411.7511.5012.25
6213.5013.2514.00
8215.0014.7515.50
102 1/219.2519.0020.00
122 3/421.2521.0022.00

Notes:

  • Dimension are in inches.
  • Length of stud bolts does not include the height of the points.
  • Bolt lengths not shown in table may be determined in accordance with Annex D.