ASME VIII Div.1 Addenda 11a
2.7
Circular flat flanges without hubs: loose, welded: 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
BOLTS
WALL
6
Allow.stress: at design temperature:
8
Elastic modulus: at temperature:
10
Bolt diameter: Bolt spacing:
12
Effective bolt cross section area:
CALCULATION
OPERATING
GASK.SEATING
14
Hydrostatic end force: total:
15
Hydrostatic end force: inside:
16
Hydrostatic end force: annular:
17
Gasket compression load:
19
Required bolt section:
20
Result for: Bolt stress:
23
Tangential flange stress:
24
Allowable stress for flange:
25
Flange rigidity index: