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: with bolt spacing correction
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
Nominal bolt diameter:
14
Effective bolt cross section area: per bolt:
15
Effective bolt cross section area: total:
16
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: with bolt spacing correction
(follows from previous page)
FACTORS |
22
Hydrostatic end force: total:
23
''
Hydrostatic end force: inside:
24
''
Hydrostatic end force: annular:
25
''
Gasket compression load:
27
Required bolt section:
28
Result for: Bolt stress:
29
Design bolt load:
30
Design flange moment:
31
Hub stress: longitudinal:
32
''
Hub stress: allowable:
33
Result for: Hub stress:
34
''
Radial flange stress:
35
''
Tangential flange stress:
38
''
Allowable stress for flange:
39
Result for: Flange stress: