Tiêu chuẩn iso 15876 3 2017

© ISO 2017 Plastics piping systems for hot and cold water installations — Polybutene (PB) — Part 3 Fittings Systèmes de canalisations en plastique pour les installations d’eau chaude et froide — Polyb[.]

Plastics piping systems for hot

Part 3:

S stème s de ca alisations en plastique p ur les ins talations d’ea

ch ude et froide — Poly utène (PB ) —

COPYRIGHT PROTECTED DOCUMENT

© ISO 2017, P blshed in Sw itz rlan

A ll rig hts r eserved Unles otherw ise spe ified, nopar of this p blc tion ma y be r epr od c d or utilz d otherw ise in an form

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written permis ion Permis ion c n be req esed from either ISO at the ad r es below or ISO’s member bod y in the c u try of

F reword i v

Introduction v

1 Sc ope 1

2 Nor mati ve r eferenc es 1

3 Terms an definitions, symbols and abbreviated terms 2

4 Material character istic 3

4.1 Plas ics fitting mate ial 3

4.1.1 P Fitting mate ial identical to the P pipe comp u d 3

4.1.2 P fitting mate ial not identical to the PB pipe comp u d 4

4.1.3 Plas ics fitting mate ial othe than P 5

4.2 Metal c fitting mate ial 5

4.3 Influenc on wate inten ed for h man consumption 5

5 General characteristic 5

5.1 A ppearanc 5

5.2 Op city 5

6 Geometrical character istic 5

6.1 General 5

6.1.1 Nominal diamete ( ) 5

6.1.2 A ngles 5

6.1.3 Thr eads 6

6.2 Dimensions of sockets for socket weld an ele tr o-fusion fitting s 6

6.2.1 Dimensions of socket usion fiting s ( e Fig ur e 1) 6

6.2.2 Dimensions of sockets for ele trofusion fitting s 8

6.3 Dimensions of metal c fitting s 9

7 Mechanical characteristic of plastic fit ing s 9

7.1 General 9

7.2 Fiting mate ial identical to thePB pipe comp u d 1

7.3 Fiting madefr om P not identical to the P pipe compou d 1

7.4 Fiting madefr om plastics othe than PB 1

8 Melt flow rate 12

9 S alng elements 12

10 Perfor manc e requir ements 12

11 Mar king 12

1 1 General r eq ir ements 1

1 2 Minimum r eq ir ed mar king 1

1 3 A dditional mar king 1

Biblog raphy 14

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 terms an ex r s ions r lat ed 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

ISO 1 876-3 was pr p r d b the E ro ean C mmitt ee Stan ardization (CEN) Te hnical C mmitt ee

CEN /TC 1 5, Plas tic s pipin s sys tems a d duc tin sys tems , in col a oration with ISO Te h ical C mmitt ee

ISO/TC 1 8, Plas tic s pipes , fit in s a d v lves fr the tra s port o fluids , Subcommitt ee SC 2, Plas tic s pipes

a d fit in s fr wate s up les , in ac ordanc with the Agr ement on t ech ical co pe ation betwe n ISO

an CEN(Vien a Agr ement)

This se on edition canc ls an r plac s the firs edition (ISO 1 876-3:2 0 ), w hich has be n

t ech icaly r vised with the folowing chang es:

— introd ction of poly but ene ran om co olyme (P -R) an r naming exis ing p ly but ene (P ) int o

poly but ene homo olyme (P -H);

— r vision of spe if ications for con itioning of samples

A l s of al p rt in theISO 1 876 se ies can be foun on the ISO websit e

The Sy st em Stan ard ISO 1 876, of w hich this document is Part 3, spe if ies the r q ir ment for a

piping sy st em w hen made from poly ut ene (P ) The piping sy st em is int en ed t o be used for hot an

cold wat er ins alations

In r spe t of p t ential adve se efe t on the q alty of wat er int en ed for h man consumption, caused

b the prod ct co e ed b ISO 1 876 (al p rt ):

— ISO 1 876 (al p rt ) pro ides no information as t o w hethe the prod ct ma be used without

r s riction in any of the Membe Stat es of the EU or EFTA;

— it should be not ed that, w hie awaiting the ado tion of ve if ia le E ro ean c it eria, exis ing national

r gulations conc rning the use an / r the charact eris ics of thisprod ct r main in for e

R eq ir ment an t es methods for mat erials and component , othe than f it ings, ar spe ified in

ISO 1 876-1 an ISO 1 876- 2 Charact eris ics for fitnes for purp se (mainly for joint ) ar co e ed in

ISO 1 87 6-5 ISO/TS 1 876-7 gives guidanc for the as es ment of conformity

This document pe ifies the charact eris ics of the f it ings

A t the dat e of publcation of this s an ard, Sy st em Stan ards for piping sy st ems of othe plas ics

mat erials used for the same a plcation inclu e ISO 1 8 4, ISO 1 8 5, ISO 1 87 6, ISO 1 8 7, ISO 2 00

an ISO 2 3 1

Plastics piping systems for hot and c old water

Part 3:

This document spe if ies the charact eris ics of f it ings for p ly ut ene-1 (P -1) piping sy st emsint en ed

t o be used for hot an cold wat er ins al ations within buidings for the convey nc of wat er, w hethe

or not int en ed for h man consumption (domes ic sy st ems) and for heating syst ems u de design

pr s ur s an t empe atur s ac ording t o the clas of a plcation ( e ISO 1 876-1)

The designation poly ut ene is used t og ethe with the a br viation P throughout his document

This document co e s a rang eof se vic con itions (a plcation clas es) an design pr s ur clas es F or

in exces of those in ISO 1 876-1:2 1 , Ta le 1, this document does not a ply

NOTE It is the responsibility of the p r haser or specif ier t o make the ap ropriat e selections from these

aspects, taking int o ac ou t their particular req irements an an relevant national re ulations an instalation

practices or codes

It also spe ifies the paramet ers for the t es methods r fe r d t o in thisdocument

In conju ction with the othe p rt of ISO 1 876, this document is a plca le t o f it ings made from

P an t o fit ings made from othe mat erials w hich ar int en ed t o be f itt ed t o pipes conforming t o

ISO 1 876- 2 for hot an cold wat er ins al ations, w he eb the joint conform t o the r q ir ment of

ISO 1 87 6-5

This document is a plca le t o fit ings of the folowing ty es:

— socket fusion f it ings;

— ele trofusion fit ings;

— me hanical fit ings;

— f it ingswith incorp rat ed inse t

It is also a plca le t o f it ings made from alt ernative mat erials w hich, w hen fitt ed t o pipes conforming

t o ISO 1 87 6- 2, conform t o the r q ir ment of ISO 1 87 6-5

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 2 8-1, Pipe thr ads whe e pr s s ur -tig t joint ar n t made o the thr ads — Part 1: Dimens io s ,

tole a c es a d des ig atio

ISO 1 3 -1, Plas tic s — Dete min tio o the melt mas s-flow rate (MF ) a d melt v lume-flow rate (MVR)

o the mo las tic s — Part 1: Sta dard meth d

ISO 1 6 -1, The mo las tic s pipes, fittin s a d as semblies fr the c on ey nc e o fluids — Dete min tio o

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

ISO 1 6 -3, 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 internal pr s s ur — Part 3 : Prep ration o c omp nents

ISO 1 67-4, The mo las tic s pipes , fittin s a d as semblies fr the c on ey nc e o fluids — Dete min tio o

the r s i s ta c e to internal pr s s ur — Part 4 : Prep ratio o as s embles

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

ISO 7 68 , Plas tic s pipes a d fittin s — Dete min tion o o ac it y

ISO 9 8 , Plas tic s pipin a d duc tin sys tems — Dete min tio o the lo g-te m h dros tatic s tr n th o

the mo las tic s mate ials in pipe f rm b ex tra olation

ISO 1 87 6-1:2 1 , Plas ics pipin system fr h t a d cold wate ins alations — Pol yb tene (PB) —

Par t 1: G ene al

ISO 1 876- 2, Plas tic s pipin sys tem fr h t a d c old wate ins talatio s — Polyb tene (PB) — Part 2 : Pipes

ISO 1 876-5, Plas tic s pipin sys tem fr h t a d c old wate ins talations — Polyb tene (PB) — Part 5:

Fitnes s fr p rp se o the sys tem

EN 6 1-1, Elas tome ic seals — Mate ial s r q ir ments fr pipe joint s eals us ed in wate a d drain ge

a plc ations — Part 1: Vulc ani zed ru be

EN 6 1- 2, Elas tome ic seal s — Mate ials r q ir ment fr pipe joint seal s us ed in wate a d drain ge

a plc ations — Part 2 : The mo las tic elas tome s

EN 1 54-3, Co pe a d c op e alo s — Plumbin fit in s — Part 3 : Fittin s w ith c ompr s s io ends fr use

w ith plas tic s pipes

EN 1 54-6, Co pe a d c op e alo s — Plumbin fit in s — Part 6 : Fittin s w ith p sh-fit ends

EN 1 54-8, Co pe a d c op e alo s — Plumbin fit in s — Part 8: Fit in s w ith pr s s ends fr us e w ith

plas tic s a d multia e pipes

EN 1 08 -1, Stainles s s te l s — Part 1: Li s t o s tainles s s te l s

EN 1 2 6-1, Pipe thr ads whe e pr s s ure -tig t joint ar made o the thr ads — Part 1: Ta e ex te n l

thr ads a d p ralel inte n l tr ads — Dimens io s , tole a c es a d des ig atio

3 Terms and definitions, symbols and abbreviated terms

F or the purposes of this document, the t erms and def initions, symb ls an a br viat ed t erms given in

ISO 1 876-1an 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

3.2 Mechanical fit ing s

3.2.1

compres io fit ing

fit ing in w hich the joint is made b the compr s ion of a ring or sle ve on the out ide wal of the pipe

with or without ad itional sealng element an with int ernal sup ort

3.2.2

c imped fit ing

fit ing in w hich the joint is made b c imping of the f it ing an / r a ring on the out ide wal of the pipe

b means of a spe ial t ool

3.2.3

flang ed fit ing

fit ing in w hich the pipe conne tion consis s of two mating flang es w hich ar me hanical y pr s ed

t og ethe an sealed b the compr s ion of an elast ome ic seal ng element betwe n them

3.2.4

flat se t union fit ing

fit ing in w hich the pipe conne tion consis s primari y of two comp nent , at leas one of w hich

normal y incorporat es a flat seal ng surfac , w hich ar me hanical y pr s ed t og ethe b means of

sc ewed n t or simiar an sealed b the compr s ion of an elast ome ic sealng element betwe n them

3.3 Fit ing s for fusio

3.3.1

socket fusion fit ing

fit ing in w hich the joint with the pipe is made b melting t og ethe the out er part of the pipe with the

in e p rt of the fit ing b means of heat ind c d b a heat ed t ool

3.3.2

electrofusion fit ing

fit ing in w hich the joint with the pipe is made b melting t og ethe the out er p rt of the pipe an the

in e p rt of the fit ing b means of heat in uc d b cur ent flowing in an a pro riat e r sist or inse t ed

in the f it ing b dy

3.4 Fit ing w ith inc orporated inser ts

3.4.1

fit ing with incorporated inserts

fit ing in w hich the joint is made b means of conne ting thr ads or othe outlet , inse t ed in the

plas ics b dy combined with fusion en s for socket fusion or ele trofusion

4 Material characteristics

4.1 Plastic fit ing material

4.1.1 PB Fit ing mater ial identical to the PB pipe compo nd

The P comp un shal comply with mat erial r q ir ment spe ified in ISO 1 87 6-1 and ISO 1 876- 2

The mat erial shal be t est ed in form of tubular t es pie es

When t est ed in ac ordanc with the t es methods spe if ied in Ta le 1, using the in icat ed p ramet ers,

the t es pie es shal withs an the hydros atic t es pr s ur , p

F, given in Ta le 6, Ta le 7 or Ta le 8

without burs ing or leakag e

Table 1 — Mechanical characteristic of tu ular test pieces made of PB by injection mo lding

C aract eris ic R equir ment Tes p ramet ers for the in ivid al t es s Tes meth d

Tes p ramet ers for al t es s

S mpling proced re

The f it ing mat erial in form of inje tion moulded or extru ed tubular t es pie es shal be ev luat ed b

using themethod given in ISO 9 80 or eq iv lent w he e int ernal pr s ur t es s ar made in ac ordanc

with ISO 1 6 -1 an ISO 1 6 -3 t o fin the σ

L L-v lues The σ

L L-v lues th sdet ermined shal be used t o

det ermine the design s r s , σ

DF, ( e ISO 1 876- 2) an v lues ofhydros atic s r s , σ

F, cor esp n ing

t o the t empe atur an time control p int given in Ta le 2

NOTE One eq ivalent way of evaluation is t o calculat e the σ

L L-value for e ch temperature (for e ample,

2 °C, 70 °C an 9 °C)in ivid aly

If ev luation using the method given in ISO 9 8 or eq iv lent is a aia le from long -t erm int ernal

pr s ur t es s r lative t o extru ed pipes of the same comp un as used for the fit ing, the r lev nt t es

t empe atur shal be eq al t o or highe than the ma imum design t empe atur , T

a, for the se vic

con ition clas

Table 2 — Co trol points for testing fit ing materials with tubular test pieces relative to

clas ificatio of service co ditio s

Al

a plcation

clas es

Ap lcation

Ma imum design temperature, T

a

Con ucted at 95 °C to match e is in tes fa i ties

It is r commen ed that the nominal diamet er of the tubular t es pie es should be in the rang e ofthe

nominal diamet ers of f it ings normaly prod c d b the man factur r

4.1.2.2 Ther mal stabiity

When t es ing the the mal s a i ity b hydros atic pr s ur t es ing in ac ordanc with ISO 1 6 -1 at

1 0 °C for 8 760 h, using a t es pie e in pipe form or a f it ing conne t ed t o pipes, the t es pie e shal

withs an the t es without burs ing The t es shal be con uct ed in wat er-in-air at an int ernal pr s ur

eq iv lent t o the hydros atic s r s used in the pipe mat erial the mal s a i ty t es

If a f it ing con e t ed t o pipes is used as a t es pie e and the pipe con e tion fais, then the the mal

s a i ty t es shal be r peat ed using a t es pie e in pipe form

4.1.3 Plastic fit ing mater ial othe than PB

Plas ics mat erial, othe than P , for fit ings int en ed t o be used in P piping sy st ems for hot an cold

wat er within buidings for the convey nc of wat er, w hethe or not for h man consumption (domes ic

sy st ems)an for heating sy st ems, shal conform t o 4.3

4.2 Metal ic fit ing material

Metal ic mat erial for f it ings int en ed t o be used with component conforming t o ISO 1 876 shal

conform t o the r q ir ment given in EN1 54-3, EN 1 54-6, EN 1 54-8 or EN 1 0 8-1, as a plca le

4.3 Influenc e on water intended for human c onsumption

The mat erial shal conform t o ISO 1 87 6-1

5 General characteristics

5.1 A ppe ranc e

When viewed without ma nif ication, the int ernal an ext ernal surfac s of f it ings shal be smo th, clean

an fr efrom scoring, ca ities and othe surfac defe t t o an ext ent hat would pr vent conformity t o

this document The mat erial shal not contain visible impurities Sl ght v riations in a pearanc of the

colour shal be pe mitt ed Each en of a f it ing shal be sq ar t o it a is

5.2 Opacity

Fit ings that ar de lar d t o be o aq e shal not transmit mor than 0,2 % of visible l ght w hen t est ed

in ac ordanc with ISO 768

This t es is not ne es ary w hen the f it ing b dy is made from a comp u d alr ady de lar d o aq e for

the prod ction of pipes

diamet er( ) of the pipe() conforming t o ISO 1 876- 2, for w hich they ar designed

6.1.2 A ngles