Bolt Torque Appendix-o

ASME-PCC-1 ASSEMBLY BOLT BOLT STRESS DETERMINATION

Remark Maximum design pressure + stac head

max

10 bar

Maximum design temperature

T

80

Corrosion Allowance

CA

!i"e o# bolt diameter

d

%olt area

Ab

$1&'0(1 mm$

)umber o# bolt

nb

$*

asket ,-

,-

((0 mm

asket .-

.-

(&/ mm

ass paron gasket length

<

0 mm

width o# pass paron gasket

=<

0 mm

asket area

Ag

)ut #actor

2

M.C o# 3ange

 mm M$0

$$'1& mm$ 0' $ !A4$// r' r' $

5lange 6ield stress at assembl6

!6a

18 Ma

!7C ,, -

5lange 6ield stress at operaon

!6o

18 Ma

!7C ,, -

Maximum permissible bolt stress

!bmax

(1&'10( Ma

pg4/&

Minimum permissible bolt stress

!bmin

$*1'1/ Ma

pg4/&

Target assembl6 gasket stress

!gT

$0/'8*$ Ma

pg4/&

Maximum permissible bolts stress prior to 3ange damage

!#max

(0& Ma

Table .4$

!elected assembl6 bolt stress

!bsel

1$'$&$ Ma

.41

Maximum permissible gasket stress

!gmax

$&('&8 Ma

pg4/&

Minimum gasket seang stress

!gmin4s

8/'18 Ma

pg4/&

Minimum gaske operang stress

!gmin4o

*1'/8* Ma

pg4/&

%olt diameter

>b

Assembl6 bolt torue

Tb

!um o# 3ange rotaon at !#max?deg

@#max

Maximum permissible 3ange rotaon #or gasket at the maximum operang temperature? deg 5racon o# gasket load remaining a9er relaxaon

@gmax b

$0 mm &$'// )mm

.4$

0' ' deg deg 1 deg 0'& As per appendix.4*'1 :i;

!tep41

!bsel Bmin:!bsel?!bmax;

(1&'10( Ma

.4*

!tep4$

!bsel Bmax:!bsel?!bmin;

1$' Ma

.4(

!tep4

!bsel Bmin:!bsel?!# max;

(0&'000 Ma

.4/

!tep4*

!bsel !gmin4sDAgE:Abnb;F

80'( Ma

.4&

$/'010 Ma

.48

$ ,-

!tep4(

!bsel :!gmin4oGAg+HE*GmaxG ;E:gGAbGnb;

!tep4/

!bsel I!gmaxDAgE:AbGnb;F

1$1&'$$$ Ma

.4

!tep4&

!bsel I!# max:@gmaxE@#max;

100'000 Ma

.410