The "Templates for Drilling" tables in ASME B16.5 (2020) include columns for stud bolt and machine bolt lengths. Do these values apply to all flange types, including lapped?
There's no note to indicate that these values don't apply to all flange types, but Appendix C in B16.5 indicates that a...
ASME B16.47's dimension tables list stud bolt lengths for raised face and ring joint flanges but don't specify what combination of WNF or Blind Flanges this applies to. This is unclear, as their thicknesses vary significantly - for example, a #900 NPS 28 flange is 5.62" thick for WNF but 6.75"...