Tiêu chuẩn iso ts 17902 2016

© ISO 2016 Wrapped electrofoaming joints for polyethylene (PE) piping systems with smooth outer wall for gravity drains and sewers Enveloppes d’assemblage électro expansibles pour les systèmes de cana[.]

Wrapped electrofoaming joints for

En e lo pe s d’assembla e électro-e xp nsible s p ur les système s de

ca alisations en p ly th lène (PE) à p roi e xtérieur lisse p ur le s

colec teurs et bra chement d’assainissement gravitaire

Refer ence n mb r

ISO/TS 179 2:2 16(E)

Fir t edition

2 16-1 -1

COPYRIGHT PROTECTED DOCUMENT

© ISO 2016, P blshed in Sw itz rlan

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F reword i v

Introduction v

1 Sc ope 1

2 Nor mati ve r eferenc es 1

3 Terms an definitions 2

3.1 General te ms an definitions 2

3.2 Geometrical te msand definitions 2

3.3 Mate ial te ms an definitions 3

4 Symbols and abbreviated terms 4

4.1 Symb ls 4

4.2 A bbreviated te ms 4

5 Material 4

5.1 Mate ial for the main la ye 4

5.2 Mate ial for the fo ming la ye 4

6 General r equirements 4

6.1 General desc iption of thew rapped ele tr ofo ming joint 4

6.2 A ppearanc 5

6.3 Colour 6

6.4 Ele trical pr ope ties 6

7 Geometrical character istic 6

7.1 General 6

7.2 Dimensions of the wrapped ele tr ofo ming joint 6

7.3 Dimensions of the clamping b nd 8

8 Mechanical characteristic 8

8.1 Joint mate ial integ rity 8

8.2 Othe me hanical characte is ics 8

8.2.1 Pr ep rations an pretr eatment of tes pie es 8

8.2.2 Tes con itions an r eq ir ements 8

9 Perfor manc e requir ements 9

10 Mar king 9

1 1 General 9

1 2 Minimum r eq ir ed mar king 9

A nne x A (informative)Wrapped electrofoaming joint joining pr oc ed re g uide 11

Biblog raphy 13

ISO (he Int ernational Org nization for Stan ardization) is a worldwidefede ation of national s an ards

b dies (ISO membe b dies) The work of pr p ring Int ernational Stan ards is normaly car ied out

through ISO t ech ical committ ees Each membe b dy int er st ed in a subje t for w hich a t ech ical

committ ee has be n es a lshed has the right t o be r pr sent ed on that committ ee Int ernational

org nizations, g ove nmental an non-g ove nmental, in laison with ISO, also take part in the work

ISO cola orat es closely with the Int ernational Ele trot ech ical C mmis ion (IEC) on al matt ers of

ele trot ech ical s an ardization

The proc d r s used t o develo this document an those int en ed for it furthe maint enanc ar

desc ibed in the ISO/IEC Dir ctives, Part 1 In p rticular the dife ent a pro al c it eria ne ded for the

dife ent ty es of ISO document should be not ed This document was draft ed in ac ordanc with the

edit orial rules of the ISO/IEC Dir ctives, Part 2 ( e www.iso.org dir ctives)

A tt ention is drawn t o the p s ibi ity that some of the element of this document ma be the subje t of

p t ent right ISO shal not be held r sponsible for identifying any or al such p t ent right Detais of

any p t ent right identified d ring the develo ment of the document wi be in the Introd ction an / r

on the ISO ls of p t ent de larations r c ived ( e www.iso.org p t ent )

Any trade name used in this document is information given for the convenienc of use s an does not

cons itut e an en orsement

For an ex lanation on the meaning of ISO spe ific t erms an ex r s ions r lated to conformity as es ment,

as wel as information a out ISO’s adhe enc to the Wor ld Trade Org nization (WTO) principles in the

Te h ical Bar ie s to Trade (TBT) se the folowing URL: www.iso.org/ iso/for word.html

The committ ee r sp nsible for this document is ISO/TC 1 8, Plas tic s pipes, fittin s a d v lves fr the

tra s port o fluids, Subcommitt ee SC 1, Plas tic s pipes a d fit in s fr soi, was te a d drain ge (includin

la d drain ge)

This document is the spe ification for ele trofo ming plas ic pipe joint used in non-pr s ur

un e grou d drainag e an sewe ag e for p lyethy lene (P ) piping sy st ems with smo th out er wal

The wra ped ele trofo ming joint ma also be a pled t o pipes with diametricaly deviat ed pipe en s

The ins alation proc d r s spe if ied in this document ar int ended t o desc ibe the pro e joining

method of ele trofo ming joint

An informative guidanc for the joining proc d r of prod ct complying with this document is

pro ided in An ex A

Wrapped electrofoaming joints for pol yethylene (PE)

This document spe ifies the def initions an r q ir ment for wra ped ele trofo ming joint for

p lyethy lene (PE) piping sy st ems with smo th out er wal for un e grou d drains an sewe without

pr s ur

This document spe ifies prod ct rang e, mat erial charact eris ics, t es methods an t es p ramet ers,

dimension an charact eris ics of wra

This document is a plca le t o jointing pipes w hich ha e ext ernal wal thicknes gr at er than 1,4 mm

an a diamet er up t o DN /OD 2 0 , or DN /ID 2 00

NOTE 1 F or dimensions larg er than DN/ OD 2 0 , or DN/ID 2 0 , this document can serve as a g neral guide

re arding ap e rance, colour, p y sical an mechanical characteristic as wel as performance req irements

NOTE 2 Such prod cts are int en ed t o b used with pipes made from virgin an reworked materials

2 Normati ve r eferences

The folowing document ar r fe r d t o in the t ext in such a wa that some or al of their cont ent

cons itut es r q ir ment of this document F or dat ed r fe enc s, only the edition cit ed a ples F or

un at ed r fe enc s, the lat es edition of the r fe enc d document ( inclu ing any amen ment ) a ples

ISO 1 67-1, The mo las tic s pipes, fit in s a d as s embles fr the c on ey nc e o fluids — Dete min tio o

the r s i s ta c e to inte n l pr s s ur — Part 1: G ene al meth d

ISO 1 67- 2, The mo las tic s pipes, fit in s a d as s embles fr the c on ey nc e o fluids — Dete min tion o

the r s i s ta c e to inte n l pr s s ur — Part 2 : Prep ration o pipe tes t piec es

ISO 1 8 -1, Plas tic s — Meth ds fr determinin the dens it y o n n-c elular plas tic s — Part 1: Imme s io

meth d, lq id p knomete meth d a d titratio meth d

ISO 3 2 , Plas tic s pipin sys tems — Plas tic s c omp nent — Dete min tio o dimens io s

ISO 8 7 , Plas tic s pipin sys te ms fr n n-pr s s ur u de rgro nd drain ge a d sewe ra e — Polyeth le ne (PE)

ISO 1 1 2, The mo las tic s mate ial s fr pipes a d fit in s fr pr s s ur a plc atio s — Clas s ific atio ,

des ig atio a d des ig c oeffic ient

ISO 1 2 4, The mo las tic s pipin sys tems fr n n-pr s s ur a plc atio s — Tes t meth d fr watertig tnes s

ISO 1 9 3, Polyeth lene (PE) pipes a d fittin s — Dete min tion o the tens ile s tr n th a d fiur mode o

tes t piec es froma b t-f sed joint

ISO 2 1 8-1, Plas tic s pipin sys tems fr n n-pr s s ur u de gro nd drain ge a d s ewe a e — Struc tur

d-wal pipin sys tems o u plas tic i zed p ly(v in l chloride) (PVC-U), p ly pro ylene (P ) a d p lyeth lene

(PE) — Part 1: Mate ial s pec ific ations a d pe frma c e c rite ia fr pipes,fit in s a d sys tem

ISO 2 1 8- 2, Plas tic s pipin sys tems fr n n-pr s s ur u de gro nd drain ge a d sewe a e — Struc tur

d-wal pipin sys tems o u plas tic i zed p ly(v in l chloride) (PVC-U), p ly pro ylene (P ) a d p lyeth lene

(PE) — Part 2 : Pipes a d fittin s w ith s mo th ex te n l s urfc e,Type A

3 Terms and definitions

F or the purp ses of this document, the t erms an def initions given in ISO 443 , ISO 8 7 , ISO 2 1 8-1,

ISO 2 1 8- 2, ISO 1 2 2, an ISO 1 43-1 an the folowing a ply

ISO an IEC maintain t erminolo ical data ases for use in s an ardization at the folowing ad r s es:

— IECEle tro edia: a aia le at ht p:/ www.ele tro edia.org

— ISO Onlnebrow sing plat orm:a ai a le at ht p:/ www.iso.org o p

3.1 General ter ms and definitions

3.1.1

structured-wal pipes and fit ings

prod ct that ha e an o timiz d design with r g rd t o mat erial usag e t o achieve the physical,

me hanical and pe formanc r q ir ment of ISO 2 1 8-1

3.1.2

sold-wal pipe and fit ing

p lyethy lene pipe an fit ing int ended for use for non-pr s ur u de grou d draining an sewe ag e

Not e 1t o entry: Prod cts def ined by this term shal comply with ISO 87 2

3.1.3

main layer

P la e t o maintain the fo ming la e in contact with the pipe surfac s

3.1.4

foaming layer

P la e t o w hich subs anc s ar ad ed in orde t o ensur ex ansion u de spe if ied heating con itions,

t o o tain the final pro e ties of thejointing

3.1.5

wrapped electrofoaming joint

joint consis ing of a main la e (3.1.3) and a famin la e (3.1.4) an which can be wra ped arou d

thepipes

3.1.6

clamping band

metal c anci ary maintaining thewra ped elec troo min joint (3.1.5)in p sition d ring the as embly

proc d r an w hich can be r mo ed aft er co lng

3.1.7

electrofusion welding machine

ele tric p we sour e that sup les cons ant cur ent an / r v ltag e t o con e t the pipe with the

wra ped elec troo min joint (3.1.5)

3.2 Geometrical terms and definitions

3.2.1

nominal size DN

n me ical designation of the siz of a comp nent, othe than a comp nent designat ed b thr ad siz ,

w hich is a pro imat ely eq al t o the man facturing dimension in mi imetr s

3.2.2

nominal size DN/OD

nominal siz r lat ed t o the out ide diamet er

nominal size DN/ID

nominal siz r lat ed t o the inside diamet er

3.2.4

nominal diameter

d

n

spe if ied diamet er, in mi lmetr s, as igned t o a nominal siz (DN /OD or DN /ID )

3.2.5

outside diameter

d

e

v lue of the measur ment of the out ide diamet er through it c os -se tion at any point of a pipe or

fit ing, roun ed t o the next gr at er 0,1 mm

3.2.6

me n inside diameter

d

im

a e ag e v lue of a n mbe of eq aly sp c d measur ment of inside diamet er in the same c os -se tion

of a pipe or f it ing

3.2 7

minimum fit ing wal thicknes

e

min

measur d fit ing wal thick es at any p int of the b dy of a comp nent

3.3 Material terms and definitions

3.3.1

virgin material

mat erial in form such as gran les or powde that ha e not be n subje t ed t o use or proc s ing othe

than that r q ir d for their man factur an t o w hich no r proc s a le or r cycla le mat erials ha e

be n ad ed

3.3.2

own reproces able material

mat erial pr p r d from r je t ed u used pipes or fit ings, inclu ing trimmings from the prod ction

of pipes an f it ings, that wi be r proc s ed in a man factur r’s plant aft er ha ing be n pr viously

proc s ed b the same man factur r b a proc s such as moulding or extrusion an for w hich the

complet e formulation is k own

3.3.3

external reproces able material

mat erial comprising eithe one of the folowing:

a) mat erial from r je t ed un sed pipes or f it ings, or trimmings the e from, that wi l be

r proc s ed an that wer originaly proc s ed b anothe man factur r;

b) mat erial from the prod ction of u used the mo las ics prod ct othe than pipes an f it ings,

r g rdles of w he e they ar man factur d

3.3.4

recyclable material

mat erial comprising eithe one of the folowing:

a) mat erial from used pipesor fit ings w hich ha e be n cleaned an c ushed or groun ;

b) mat erial from used the mo las ics prod ct othe than pipes or f it ings w hich ha e be n

cleaned an c ushed or grou d

4 Symbols and abbr eviated terms

d

e

out ide diamet er

d

em

mean out ide diamet er

d

im

mean inside diamet er

d

n

nominal diamet er

t fit ing wal thick es (at any p int)

t

min

minimum f it ing wal thicknes (at any p int)

4.2 A bbreviated terms

DN /ID nominal siz r lat ed t o inside diamet er

DN /OD nominal siz r lat ed t o out ide diamet er

ID inside diamet er

OD out ide diamet er

S pipes se ies S

SDR s an ard dimension ratio

5.1 Mater ial for the main layer

The main la e shal be made from P 8 or P 1 0 mat erial complying with ISO 1 1 2

The q alfication of the mat erial is grant ed as long as it fulf ils the r q ir ment of 7.1

5.2 Mater ial for the foaming layer

The b se mat erial for the fo ming la e shal ha e a density from 9 1 kg m

3

t o 940 kg m

3

, w hen

measur d ac ording t o ISO 1 8 -1, t o w hich ma be ad ed those ad itives that ar ne ded t o faci itat e

the man factur of f it ing conforming t o the r q ir ment of this document (e.g fo ming ag ent,

adhesive ag ent)

Theq alfication of the mat erial is grant ed as long asit fulf ils the r q ir ment of 7.1

6.1 General des ription of the wrapped electrofoaming joints

Wra ped ele trofo ming joint consis of seve al la e s ( e Figur 1 an Figur 2): fo ming la e

inclu ing ele trical devic an main la e

1 main la yer of electr ofo ming joint

2 fo ming la yer of electr ofo ming joint

b clamping b n of joint

s temper atur e sensor con ection terminal

e electric con ection terminal

Figure 1 — Schematic of electrofoaming joints

X

X

1

1 2

Key

1 fo ming la yer of electr ofo ming joint

2 electric thermal w ir e emb d ed in fo ming la yer

Figure 2 — Schematic of foaming layer

6.2 A ppe ranc e

When viewed without ma nification, wra ped ele trofo ming joint shal me t the folowing

r q ir ment :

— the int ernal an ext ernal surfac s shal be smo th, clean an fr e from gro ving, bl st ering,

impurities, p r s an any othe surfac ir egularity l kely t o pr vent conformity with thisdocumen

— theen s of wra ped ele trofo ming joint shal be sq ar t o their a is

The wra ped ele trofo ming joint shal be homog eneous throughout, ex cept w he e heating cois

or ele trical con e t ors ar incorporat ed They wi also be fr e of c acks, holes, for ign inclusions,

or injurious defe t such as g oug es, dent , cut , et c The wra ped ele trofo ming joint shal be as

uniform as comme cial y practica le in o acity, density, an othe phy sical pro e ties Any heating

coi s, conne ting ca les, con e t ors, an r lat ed ele trical powe sour e shal be designed t o pr vent

ele trical shock t o the use

The colour ofeach la e should pr fe a ly be black Othe colours ma be used

6.4 Electr ical properties

The ele trical prot ection t o be pro ided b the sy st em depen s on the v ltag e an the cur ent s r ngth

used an on the charact eris ics of theele tricity p we

F or v ltag es gr at er than 2 V, dir ct h man contact with the ene giz d p rt shal not be pos iblew hen

the joint is in the fusion cycle d ring as embly in ac ordanc with the ins ructions of the man factur r

of the joint an as embly eq ipment, as a plca le

7 Geometr ical characteristics

Dimensions in Figur 3shal be measur d in ac ordanc with ISO 3 2

NOTE T e f igure is a s hematic sketch only, to in icate the relevant dimensions

Key

1 main la yer of electr ofo ming joint

2 fo ming la yer of electr ofo ming joint

W la yer width of electr ofo ming joint

L la yer leng th of electr ofo ming joint

t thicknes of main la yer

Figure 3— Dimensio s of electrofoaming layer

7.2 Dimensions of the wrapped electrofoaming joint

The dimension of wra ped ele trofo ming joint hal satis y DN / OD an DN /ID se ies of pipe alowanc

desc ibed in ISO 8 7 an ISO 2 1 8- 2 an folow Ta le1 an Ta le 2