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EN13445-3:2002-Flange
11.5.1 a)
Narrow face gasketed flanges: integral method: with hub: WN or LWN type: to internal pressure
nomeUnit
nomePart
Fig
boltnbDiBCAspecMaterialFspecMaterialBtngothg1tfdgidgoCAgaskbobbwwliqheightliqdensGhhhGhDhT
1
designPress
Design pressure: at top:
2
localPress
Design pressure: at location:
3
designTemp
Calculation temperature:
4
MAWP
Max.allow.working pressure: at top:
MATERIALS
FLANGE
BOLTS
5
Standard
Standard:
6
ProductB
ProductF
Product form:
7
allowStressB
allowStressF
Unit for: Stress
Allow.stress: at calc.temperature:
8
allowStressaB
allowStressaF
''
Allow.stress: at room temperature:
 
JOINT
9
mm
Gasket factor:
10
yy
Gasket seating stress: minimum:
11
Abolt
Effective bolt cross section area: per bolt:
12
Ab
Effective bolt cross section area: total:
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numTotPag
numPag1
(follows on next page)
 
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EN13445-3:2002-Flange
11.5.1 a)
Narrow face gasketed flanges: integral method: with hub: WN or LWN type: to internal pressure
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nomePart
(follows from previous page)
FACTORS
13
ff
T
K
14
CF
U
V
15
kk
Y
F
16
L
ho
 
OPERATING
GASK.SEATING
17
 
H
Unit for: Load
Hydrostatic end force: total:
18
 
HHD
''
Hydrostatic end force: inside:
19
 
HHT
''
Hydrostatic end force: annular:
20
 
HHp
''
Gasket compression load:
21
Wm2
Wm1
''
Minimum bolt load:
22
Am2
Am1
Unit for: Area
Required bolt section:
23
resultBolt
Result for: Bolt stress:
24
W2
W1
Unit for: Load
Design bolt load:
25
Mo2
Mo1
Unit for: Moment
Design flange moment:
26
SH2
SH1
Unit for: Stress
Hub stress: longitudinal:
27
SHa2
SHa1
''
Hub stress: allowable:
28
resultHub2
resultHub1
Result for: Hub stress:
29
SR2
SR1
''
Radial flange stress:
30
ST2
ST1
''
Tangential flange stress:
31
SHR2
SHR1
''
Combined stress:
32
STR2
STR1
''
Combined stress:
33
Sa2
Sa1
''
Allowable stress for flange:
34
resultFlg2
resultFlg1
Result for: Flange stress:
35
result
Final result:
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numTotPag
numPag2

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