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ASME VIII Div.1 Addenda 99
24.3
Design rules for clamp connections: clamping faces parallel: hub calculated as loose flange
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../../Images/vessels/ASME_VIIID1/24_6loo.png
BspecMaterialHspecMaterialCspecMaterialBdgidgoCAestgaskfacingbobbliqheightliqdensGBcXebDicDocCtlcCintDchGhDhTlegendaCwwCgTradboltnb
1
designPress
Max.allowable working pressure: at top:
2
localPress
Max.allowable working pressure: at location:
3
designTemp
Design temperature:
MATERIALS
HUB
CLAMP
BOLTS
4
ProductB
ProductC
ProductH
Product form:
5
allowStressB
allowStressC
allowStressH
Allowable stress: at design temperature:
6
allowStressaB
allowStressaC
allowStressaH
Allowable stress: at room temperature:
7
yy
mm
Gasket factors
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numTotPag
numPag1
(follows on next page)
 
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ASME VIII Div.1 Addenda 99
24.3
Design rules for clamp connections: clamping faces parallel: hub calculated as loose flange
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(follows from previous page)
CALCULATION
8
Abolt
Effective bolt cross section area: per bolt:
9
AbL
Effective bolt cross section area: per clamp lug:
10
Y
K
Flange factors
11
Area2
Area1
Partial area: of clamp:
12
Area3
Ac
Total/partial
13
Ic
Moment of inertia: of clamp:
 
OPERATING
GASK.SEATING
14
 
H
Hydrostatic end force: total:
15
 
HHD
Hydrostatic end force: on bore:
16
 
HHT
Hydrostatic end force: annular:
17
Hm
HHp
Gasket load:
18
Wm2
Wm1
Required bolt load:
19
Am2
Am1
Required bolt section:
20
resultBolt
Result for: Bolt stress:
21
W2
W1
Design bolt load:
22
 
HHG
Residual axial load: operating condition:
23
Mo2
Mo1
Design moment on flange:
24
ST2
ST1
Tangential stress: in flange:
25
Sa2
Sa1
Allowable stress: in flange:
26
resultHub2
resultHub1
Result for: Flange stress:
27
S5a
S5
Clamp stress: longitudinal: calculated:
28
S6a
S6
Clamp stress: tangential: calculated:
29
S5aall
S5all
Hub stress: direct: allowable:
30
S7a
S7
Shear stress: of clamp lip: calculated:
31
S7aall
S7all
Clamp stress: shear: allowable:
32
resultClamp2
resultClamp1
Result for: Clamp stress:
33
S9a
S9
Bearing stress: of clamp to hub: calculated:
34
S9aall
S9all
Bearing stress: of clamp to hub: allowable:
35
resultBea2
resultBea1
Result for: Bearing stress:
36
result
Final result:
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numTotPag
numPag2

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Appendix 2 (10)
2.7: integral
2.7: Loose+hub
2.7: loose
2.7: lap
2.8: split ring
Bolt spacing corr. (5)
2.7: int.: w.bolt correction
2.7: l.hub: w.bolt correction
2.7: loose: w.bolt correction
2.7: lap: w.bolt correction
2.7: split ring: +bolt corr.
Appendix 24 (2)
Parallel
Loose
Appendix Y (3)
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