ASME VIII Div.1 Addenda 11a
2.7
Circular flanges with hub: hub with constant thickness: loose, welded: fig.2-4(3): to internal pressure: gasket laying inside inner edge of bolt holes
1
Design pressure: at top:
2
Design pressure: at location:
4
Max.allow.working pressure: at top:
6
Allow.stress: at design temperature:
7
''
Allow.stress: at room temperature:
8
Elastic modulus: at temperature:
10
Gasket seating stress: minimum:
11
Effective bolt cross section area: per bolt:
12
Effective bolt cross section area: total:
13
Flange rigidity index:
#
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(follows on next page)
ASME VIII Div.1 Addenda 11a
2.7
Circular flanges with hub: hub with constant thickness: loose, welded: fig.2-4(3): to internal pressure: gasket laying inside inner edge of bolt holes
(follows from previous page)
FACTORS |
19
Hydrostatic end force: total:
20
''
Hydrostatic end force: inside:
21
''
Hydrostatic end force: annular:
22
''
Gasket compression load:
24
Required bolt section:
25
Result for: Bolt stress:
26
Design bolt load:
27
Design flange moment:
28
Hub stress: longitudinal:
29
''
Hub stress: allowable:
30
Result for: Hub stress:
31
''
Radial flange stress:
32
''
Tangential flange stress:
35
''
Allowable stress for flange:
36
Result for: Flange stress: