Code Case 2901 - Consideration of external loads on ASME B16.5 standard flanges under ASME Code Section VIII, Division 1 & 2

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ASME B16.5 flanges external loads - UG-44(b)
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ASME B16.5 Flanges P/T Ratings

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Forming strain of a cylinder
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Forming strain of tube or pipe bends

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UG-44(b) (Section VIII-1), 4.16.12 (Section VIII-2) / Code Case 2901 - Consideration of external loads on ASME B16.5 standard flanges under ASME Code Section VIII, Division 1 & 2

material:
class:
NPS:
gasket diameter G:			[mm]
temperature:			[°C]
axial force F_ax:			[N]
moment M₁:			[Nm]
moment M₂:			[Nm]
design pressure P_D:			[bar]
B16.5 Pressure-Temperature Rating Table:

Results

B16.5 max. all. working pressure P_R:
moment factor CC2901, Table1 F_m:
CC2901 reference pressure P_CC2901:		P_R(1+F_M)
resultant moment M:		√(M₁²+M₂²)
equivalent pressure (moment) P_M:		16M / (π*G³)
equivalent pressure (force) P_F:		4F_ax / (π*G²)
total equivalent pressure P_eq:		P_m+P_F
design pressure + equivalent pressure

Notes/Additional requirements of CC 2901

assembly bolt load shall comply with ASME PCC-1, Appendix O
bolt material SA-193 B8 Cl. 2 or higher strength
Code Case number shall be recorded on the MDR

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UG-44(b) (Section VIII-1), 4.16.12 (Section VIII-2) / Code Case 2901 - Consideration of external loads on ASME B16.5 standard flanges under ASME Code Section VIII, Division 1 & 2