ASME VIII Div.1 Addenda 11a
2.7
Circular flanges with hub: integral with hub slope 1/3 max: WN or LWN type: 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:
MATERIALS
FLANGE
WALL
BOLTS
7
Allow.stress: at design temperature:
8
''
Allow.stress: at room temperature:
9
Elastic modulus: at temperature:
11
Gasket seating stress: minimum:
12
Nominal bolt diameter:
15
Effective bolt cross section area: per bolt:
16
Effective bolt cross section area: total:
17
Flange rigidity index:
#
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(follows on next page)
ASME VIII Div.1 Addenda 11a
2.7
Circular flanges with hub: integral with hub slope 1/3 max: WN or LWN type: to internal pressure: gasket laying inside inner edge of bolt holes: with bolt spacing correction
(follows from previous page)
FACTORS |
23
Hydrostatic end force: total:
24
''
Hydrostatic end force: inside:
25
''
Hydrostatic end force: annular:
26
''
Gasket compression load:
28
Required bolt section:
29
Result for: Bolt stress:
30
Design bolt load:
31
Design flange moment:
32
Hub stress: longitudinal:
33
''
Hub stress: allowable:
34
Result for: Hub stress:
35
''
Radial flange stress:
36
''
Tangential flange stress:
39
''
Allowable stress for flange:
40
Result for: Flange stress: