pld-108 anchor flange

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


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


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 .


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


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


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 : * - : : ' : - ' - - ' - = ' '


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

pld-108 anchor flange

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