8/10/2019 PLD-108 Anchor Flange
1/7
NATIONAL
IRANIAN
GAS
COMPANY
SPECIFICATION
NO.
PLD'
I 08
FOR
ANCHOR
FLANGES
R
Fv\t
toN
o^/E
I t { , B ( 4
8/10/2019 PLD-108 Anchor Flange
2/7
SECTION
I
z
3
4
f
b
8
9
APPENDD( I
TABLE
OF CONTENT5
DESCRIPTION
Scope
Codes
and
gtaDdarde
Design
equirementa
Materials
Weldiag
Inepection
and te
s
i-rg
Repotts
and ce
rtificate
s
and
Marking
Packiag
Chemical Composition
of
pipeline
PAGE
I
I
)
z/3
3/4
.
4/5
documents
5
f
5
6
v
8/10/2019 PLD-108 Anchor Flange
3/7
I . G S C O P E
- I -
This specification covers the rnanufacture' iDsPection and
testirrg
of steel
anchor
flanges
suitable for
weldi:rg
to
fuid
trans
rnis
gion
pipeline
s and
a s s ociated
di
gtl ibution
gys
tems'
The
aachor
flaages
will be
embedded
ia
reinforced
conctete
blocks
on
site.
The
Purchaser
will furaish
the
Supplier
with
the following
data
with the Durchaee order.
I . .
Q
t . z
r . 5 .
l'
a )
b )
c )
d )
e )
Nominal
diamete ,
grade
and
wall thicknes
3
of
adjoiniag
pipeline.
Pipeline
deaign
pressure
and temperatule.
Pipeline
axial
thrust
(
tons
)
Eud bevel
stardard.
Length of t ransi t ion pieces(when speci f ied).
Y'
2.0
.
CODES
AND STANDARDS
) 1
Anchor
flanges
shall generally
conforrn
to the
ANSI-B '
3l
'
I
Code
for Pressure
Pipi lg
as
suPPlemented
by
the U.
S'
Department
oI Transportation
Federal
Safety
Regulations
and
shall be
manufactured
in
accordance
with
the
standards
specified
herein
and
ae
supplernented
in this
specificatiotr'
Tbe
latest
editioDs
aod
revisi.oos
are
intended'
z . z .
8/10/2019 PLD-108 Anchor Flange
4/7
-z-
e /
F-
3.0.
DE
SIGN
REQUIREMENTS
? l
3 . 2 .
3 . 3 .
The
Supplier
shall
furnigh
drawings
Pur
chaser.
Permissible
design
by
the
ASME
Boiler
as
applicable.
The
maxirnum
allowable
sttes
8
apecified
tesgile
strength
of
tJre
in
the
above
code.
Flanges
shall
be
welding
neck
shall
sustai-n
service
Pres
Eure
purchase
order-
streaEes
ehall
Dot
occeed
thoae
specified
and
Presgure
Vcssel
Gode
Sect ios
VII
walue
s
shall
be
25a/o
ol
the
O.aD.ge
matelial
ae
defi-oed
and caLculations
to
the
type
to
ANSI
classification
and
rati.Eg
s etc.
as
sPecified
in
the
3 .
4 .
4 .0 .
MATERIALS
4. -l .
Materials
uged
in
manufacture
shall
be
of
guitable
welding
quality
and
shau
be
bither
carbon
steel
o
high
strength
Iow
al loy
s
e el .
4.2.
The
quatity
of
steel
shall
suitably
respond
to
the
relevant
heat
t:atment
Ptocess
and
shall
be
lully
kil led
for
Class
600
and
higher.
4 .
3 .
T h e a t e e l s h a l l b e r n a d e b y t } r e o p e n - h e a r t h , b a s i c o r c y g e n o r
electric
fulaace
Processes
and
gball
be
suitabl'e
for
field
welding
at
ooc
without
Preheat
to
PiPe
tnarufactuled
undet
tJee
ollowiag
Etandard3
aa
specified
in
thc
purchaec
order'
a)
API
-5L
and
5 LX
b )
A S T M - A . 5 3 , A . 1 0 6
a a d
A ' 3 8 1 '
T
ransitiolt
Pieces
shall
eat i re
aasetnbly
stres
s
be
shop
welded
to
the
hubs
and
the
relieved
and
th,en
radiograPhed'
v
8/10/2019 PLD-108 Anchor Flange
5/7
4.4.
The
followiag
teet
sPecirnens
shall
be
taken
from
on e
forging
selected
frorn
the
quantity
being supplied'
a)
4 . 5
b )
Two
tensile
specirnens
taken
from
the
disc
of the
fl.atrge,
one
sPecj.men
having
its
lengthwise
axis
directionally
normal
to flange
bore,
tJre
second
specimen
takea
with
its
lengthwise
axls
directionally
at
right
angles
to
tJ'.e
equivaleat
axis
of the
first
specimen.
Three
Charpy
V,
notch
irnPact
test
specirnetrs'
each
two
thi rd
s ize,
as
sPeci f ied
in
ASTM;E23
standard' shal l be
taken
from
the
hub
and
as
near
the
weld
end
as
Practicable'
with
their
leugthwise
axis
Engential
to
the
flange
bore
and
the
three
specirnens
equi;spaced around
the
hub'
Tests
shal l
be
carr ied
out
at
-h
oC
1Soopl
and
the
avelage
value
obtained
from
the
three
test
resul'ts
shall
be
a
Minimurn
of
approxirnately
Z'
I
kg fm
(15 lb'
f)
with no
indiv idual
test
being
less
than
1 '
4
kg fm(f
0
Ib '
f ) '
Transi t ion
pieces
shal l
be
furnished
rn
the
grade
of
material
to
match
the
adjoining
pipeline
and
as
agreed
by
the
Purchaser.
Appedndrl
shows
the
Chemical
Compositron
of
PiPe
hne.
9
{J/
s.0.u4pING
Shop
welding
shall
conform
to
the
relevant
and Pressure Vesgel Code' Sect ion
VII I
and
I
as
surnmarised
hereunder '
parts
of the
ASME Boi ler
IX
and BS;1515
Par t
5.
l.
Welding
procedures
shall
be
qualified
by
the
Supplier
and
shall
include
tadiograPhs'
macro
and
rnicro
examinations'
hardness
sulveys
and
Charpy
V'notch
impact
tests
as
detai led
in BS;
515
Part
i .Section
4'
Charpy
V;notch
tests
shall
carried
ortt
oD
?f3
size
sPecimens a
I 0oC
8/10/2019 PLD-108 Anchor Flange
6/7
5 . 2 .
- + -
Welder
Preformance
tests
shal l
conform
to
the
SAME
Code
:fi
;'o-""u
"t
-
_t^t:,::;'.1ff
,i""i
"
su,veys
nd
mpa
t
Macro and micro examr
tests
are
not
requi leo'
v
5
3
shop
w
e
dins-"-:"^t
:
:'
:,:::,::
:ff.;;
;:
::':f":'
"'
semi-
submergec
5'
4'
lnsPection
nT:T
;::,J;
;:::1""'::"::'"'
to
the
AsME
Code
Section
lr'
a'.s
Y-
5.
5-
Preheating
procedures
as
prescribed in ANSI-B'
3l
'
I
Sectioo
o
s
naff
ue
carried'
out'
5'b::ilT:'li-1';T';::T::iTi:,",":rxi:
comptedon
oi
welding'
The
plocedurer"-a"u
""""
be
approved
dereliolatioo
to
the
Parent
'o"*t
:::: '""] 'r*u
oo.
afte!
heat
by
the
Purchaaer
No
reParrs
shall
be
tteatment'
6.
o
INSPEcTtoI
^ot"
""t"t*
flange
asaembly
sha[
JnsPection
an d
conforrrr
to
the
V e s s e i
C o d e
-
as
summarised
nondest!uctive
requirements
of
Section
lX
and
hereunder
'
testiog
of
thc
ASME
t o
B s -
l 5 I
and
Preesure
I
Section
5
and
l e n g t h
a f t e r '
Boi le !
5
Part
6 .
.
- " . . r '
l
I Welds
thall
be examined ultrasonrcarry
^'
6 . ? .
6 . 3 .
::T'":i:::i,T."::-::::."-:il.":l:::.::,kxei,i
radioslaphicauv
ro1
a
l;;;
ASME
peBerlan
tesdng,
emPloYing
the
I
'*-ri""toomi-oar-""T#;r""";"::,:::_..".".":;;.";t:""
Franses
or
16
incb
":?;;;;
sbau
arso
:. :1,"u
arouad
b,e
f langes
cla3e
600-
"":;.;
..-";"
arong
the
hub
a
Peoetlant
crack detect
welding
bevel'
-*
- . : : !
: t ' t : - ' 1
- . ' : . i : * - : : ' : - ' - - ' - = ' '
8/10/2019 PLD-108 Anchor Flange
7/7
- t -
IIEPECTION
AND TESTING
(Contiaed)
The
test
shal l
be
loss
of
Preasure
Welding
rePairs
teEts
unles
s
with
6.
*. The
flange
assernbly
including
transition
pieces
shall
be
hydrostat ical ly tested to l 5 t imes the speci f ied design
pre
s
sure
and
to
a
procedure
conlorming
to
the
ASME Cole
for
Pressure
Vessels
Section
VIII
as
appl icable
mai.Dtartred
for
at least
30 Miaute
s without
or
as
specified
bY
the Purchaser
3hall
not
be
permitted
after
the
above
the
prior
agreement
of
the Purchaser
v
7.
O.REPORTS
AND CERTIFICATES
AND
DOCUUENTS
?.
l . The
Supptier
shal l
furnish
the
Purchaser
with
ae
speci l ied
in the
Purchase
order :(six
sets)
a)
Certificate
of
shop
InsPection
b)
Weld
procedure
and
welder
qualificatioDs
c)
Certified
rePorts
giving
chemical
analysis
and
physical
ProPert ies
of
s eel
d)
Strees
relieve
aDd
heat
treatrnent
certif icates
e)
Nondestluctive
test
ce
rtifi cate s
f)
Hydlostatic
test
ce
rti{icate
s
{t)
catalogs
h)
ManufactulingcerEificate
8.0
\4ARKING
8.
I. Identif ication
rnall