1、BRITISH STANDARD BS EN ISO 15875-3:2003 Plastics piping systems for hot and cold water installations Crosslinked polyethylene (PE-X) Part 3: Fittings The European Standard EN ISO 15875-3:2003 has the status of a British Standard ICS 23.040.45; 91.140.60 BS EN ISO 15875-3:2003 This British Standard w
2、as published under the authority of the Standards Policy and Strategy Committee on 14 June 2004 BSI 14 June 2004 ISBN 0 580 43885 6 National foreword This British Standard is the official English language version of EN ISO 15875-3:2003. It is identical with ISO 15875-3:2003. The UK participation in
3、its preparation was entrusted by Technical Committee PRI/88, Plastics piping systems, to Subcommittee PRI/88/2, Plastics piping systems for pressure applications, which has the responsibility to: A list of organizations represented on this subcommittee can be obtained on request to its secretary. Ad
4、ditional information The UK voted against the acceptance of this standard at the CEN Formal Vote, and PRI 88/2 will maintain BS 7291-1:2001 1) , BS 7291-2:2001 2)and BS 7291-3:2001 3)and strongly recommends the continued use of polybutylene (PB) and crosslinked polyethylene (PE-X) piping systems cer
5、tified to BS 7291-2 or BS 7291-3, Class S, for the following reasons. a) Attention is drawn to the statement in the Scope of BS EN ISO 15875-1 relating to the exclusion from it of piping systems having service conditions in excess of those quoted in BS EN ISO 15875-1, Table 1. Central heating system
6、s in the UK fall into this category. BS 7291-1 states the service conditions for UK systems where the maximum system service temperature for sealed central heating systems, designated as Class S, is 105 C and the system malfunction temperature is 114 C. Both these temperatures are significantly in e
7、xcess of those specified in BS EN ISO 15875-1, Table 1 and these UK systems are therefore not covered by this standard. aid enquirers to understand the text; present to the responsible international/European committee any enquiries on the interpretation, or proposals for change, and keep the UK inte
8、rests informed; monitor related international and European developments and promulgate them in the UK. 1) BS 7291-1:2001, Thermoplastics pipes and associated fittings for hot and cold water for domestic purposes and heating installations in buildings Part 1: General requirements. 2) BS 7291-2:2001,
9、Thermoplastics pipes and associated fittings for hot and cold water for domestic purposes and heating installations in buildings Part 2: Specification for polybutylene (PB) pipes and associated fittings. 3) BS 7291-3:2001, Thermoplastics pipes and associated fittings for hot and cold water for domes
10、tic purposes and heating installations in buildings Part 3: Specification for cross-linked polyethylene (PE-X) pipes and associated fittings. Amendments issued since publication Amd. No. Date CommentsBS EN ISO 15875-3:2003 BSI 14 June 2004 i b) In addition to the above: 1) The normal maximum operati
11、ng cold water supply pressure in the UK is 12.5 bar 4)which some categories of piping systems in the BS EN ISO 15875 series of standards do not meet. 2) The BS EN ISO 15875 series of standards does not specifically describe push fit joints, which are the predominant jointing method in the UK. 3) The
12、re is a disparity between the malfunction temperature quoted in BS EN ISO 15875-1, Table 1 (100 C) and the malfunction temperatures applicable to boilers (110 C) conforming to BS EN 297:1994 5) , BS EN 483:2000 6)and BS EN 625:1996 7) . Consequently piping systems could be subjected to temperatures
13、in service for which they have not been tested. 4) The unique and traditional practice in the UK is to use products certified to BS 7291-2 or BS 7291-3, Class S, for all applications, as defined in BS 7291-1. This is recognized in the national annex to BS EN 12828 8) , which recommends the use of sy
14、stems suitable for the maximum temperatures and pressures for their intended application specified in BS 7291-1. Updated versions of BS 7291-1, BS 7291-2 and BS 7291-3 are being prepared, which maintain these traditional UK operating conditions, and measures are being taken to address this issue in
15、appropriate harmonized European Standards. Cross-references The British Standards which implement international or European publications referred to in this document may be found in the BSI Catalogue under the section entitled “International Standards Correspondence Index”, or by using the “Search”
16、facility of the BSI Electronic Catalogue or of British Standards Online. This publication does not purport to include all the necessary provisions of a contract. Users are responsible for its correct application. Compliance with a British Standard does not of itself confer immunity from legal obliga
17、tions. Summary of pages This document comprises a front cover, an inside front cover, pages i and ii, the EN ISO title page, pages 2 to 14, an inside back cover and a back cover. The BSI copyright notice displayed in this document indicates when the document was last issued. 4) 1 bar = 100 kPa. 5) B
18、S EN 297:1994, Gas-fired central heating boilers Type B 11and B 11BSboilers fitted with atmospheric burners of nominal heat input not exceeding 70 kW. 6) BS EN 483:2000, Gas-fired central heating boilers Type C boilers of nominal heat input not exceeding 70 kW. 7) BS EN 625:1996, Gas-fired central h
19、eating boilers Specific requirements for the domestic hot water operation of combination boilers of nominal heat input not exceeding 70 kW. 8) BS EN 12828, Heating systems in buildings Design for water-based heating systems.ii blankEUROPEANSTANDARD NORMEEUROPENNE EUROPISCHENORM ENISO158753 December2
20、003 ICS23.040.45;91.140.60 Englishversion Plasticspipingsystemsforhotandcoldwaterinstallations Crosslinkedpolyethylene(PEX)Part3:Fittings(ISO15875 3:2003) Systmesdecanalisationsenplastiquepourles installationsdeauchaudeetfroidePolythylnerticul (PEX)Partie3:Raccords(ISO158753:2003) KunststoffRohrleit
21、ungssystemefrdieWarmund KaltwasserinstallationVernetztesPolyethylen(PEX) Teil3:Formstcke(ISO158753:2003) ThisEuropeanStandardwasapprovedbyCENon14March2003. CENmembersareboundtocomplywiththeCEN/CENELECInternalRegulationswhichstipulatetheconditionsforgivingthisEurope an Standardthestatusofanationalsta
22、ndardwithoutanyalteration.Uptodatelistsandbibliographicalreferencesconcernings uchnational standardsmaybeobtainedonapplicationtotheManagementCentreortoanyCENmember. ThisEuropeanStandardexistsinthreeofficialversions(English,French,German).Aversioninanyotherlanguagemadebytra nslation undertheresponsib
23、ilityofaCENmemberintoitsownlanguageandnotifiedtotheManagementCentrehasthesamestatusasthe official versions. CENmembersarethenationalstandardsbodiesofAustria,Belgium,CzechRepublic,Denmark,Finland,France,Germany,Greece, Hungary,Iceland,Ireland,Italy,Luxembourg,Malta,Netherlands,Norway,Portugal,Slovaki
24、a,Spain,Sweden,SwitzerlandandUn ited Kingdom. EUROPEANCOMMITTEEFORSTANDARDIZATION COMITEUROPENDENORMALISATION EUROPISCHESKOMITEEFRNORMUNG ManagementCentre:ruedeStassart,36B1050Brussels 2003CEN Allrightsofexploitationinanyformandbyanymeansreserved worldwideforCENnationalMembers. Ref.No.ENISO158753:20
25、03EENISO158753:2003(E) 2 Contents Contents. 2 Introduction . 4 1 Scope 4 2 Normativereferences 4 3 Termsanddefinitions,symbolsandabbreviatedterms. 5 4 Materialcharacteristics 6 4.1 Plasticsfittingmaterial . 6 4.1.1 FittingmaterialidenticaltoPEXpipematerial 6 4.1.2 PEXfittingmaterialnotidenticaltoPEX
26、pipematerial 7 4.1.3 PlasticsfittingmaterialotherthanPEX. 7 4.2 Metallicfittingmaterial. . 7 4.3 Influenceonwaterintendedforhumanconsumption 7 5 Generalcharacteristics. 8 5.1 Appearance 8 5.2 Opacity . 8 6 Geometricalcharacteristics . 8 6.1 General. 8 6.1.1 Nominaldiameter(s). 8 6.1.2 Angles 8 6.1.3
27、 Threads 8 6.2 Dimensionsofsocketsforelectrofusionfittings. 8 6.3 Dimensionsofmetallicfittings. . 9 7 Mechanicalcharacteristicsofplasticsfittings. 10 7.1 General. 10 7.2 FittingsmadefromPEXmaterialidenticaltothePEXpipematerial. 10 7.3 FittingsmadefromPEXnotidenticaltothePEXpipematerial 11 7.4 Fittin
28、gsmadefromplasticsotherthanPEX 11 8 Physicalandchemicalcharacteristicsofplasticsfittings . 11 9 Sealingelements . 12 10 Performancerequirements . . 12 11 Marking. 12 11.1 Generalrequirements . . 12 11.2 Minimumrequiredmarking. 12 Bibliography 14EN ISO1 58753 :2003 (E) 3 Foreword Thisdocu ment(ENISO
29、158753 :2003)has been prepared by Technical CommitteeCEN/ TC1 55“Pl astics piping systemsandducti ng systems”,thesecretari atof which is held by NEN, incollaborationwithTechnicalCommittee ISO/TC13 8 “Plasticspi pes, fittingsa ndvalves forthetrans portof fluids“. ThisEurop ean Standardshall be given
30、thes tatusofa nationalst andard, either by publication ofaniden ticaltextor by endorsement,atthel atest by June2 004, andcon flicting nationals tandardsshal l be withdrawn at the latest by December2005. NOTE Thisdraft was submittedfo rCENenquiry as prEN123183:1996. Thisstandar d ispartof a SystemSta
31、ndard forplas ticspi ping systemsof aparticular material foraspe cified application. Therear e anu mberofsuch SystemStanda rds. SystemSta ndardsa rebas ed ont heresultsof the work being undertakeni n ISO/TC13 8 “Plasticspipes, fittings and valves forthetr ansportof fluids“, which isa Technical Commi
32、tteeoftheIn ternationalOrga nisation for Standardization( ISO). They aresu pported bysep arateS tandardso n test methodst o whichre ferencesare madethr oughout the System Standard. TheS ystemSta ndardsarec onsistent with generals tandardson functionalr equirementsandreco mmended practicesfor install
33、ation. EN ISO15 875c onsistsofthe followingParts 1) ,u nderthe general title: Plasticspipingsystemsforhotandcold waterinstallationsCrosslinkedpolyethylene(PEX) Part1:General Part2:Pipes Part3:Fittings (thepresentstandard) Part5:Fitnessforpurposeofthesystem Part7:Guidancefortheassessmentofconformity
34、(publishedasCENISO/TS158757). ThisPartof EN ISO1 5875 includes a Bibliography Att he date ofpublica tion ofthisst andard, SystemStan dards forpi ping systemsofotherplas tics materialsused for thesa meap plication include the following: EN ISO15 874, Plasticspipingsystemsforhotandcoldwaterinstallatio
35、ns Polypropylene(PP) (ISO15874:2003) EN ISO15 876, Plasticspipingsystemsforhotandcoldwaterinstallations Polybutylene(PB)(ISO15876:2003) EN ISO15 877, Plasticspipingsystemsforhotandcoldwaterinstallations Chlorinatedpoly(vinylchloride) (PVCC)(ISO15877:2003) Forpi pesa nd fittings which havecon formedt
36、othe relevant nationalst andardbe fore1 st N ovember20 03,assh own by the manufactureror byacer tification body,t he nationalst andard mayc ontinue to apply until 30 th N ovember 2005. 1) ThisSystemSta ndard doesn oti ncorporateaPar t4 Ancillaryequipment oraPart6 Guidanceforinstallation .Forancillar
37、y equipment separate standards can apply.Gu idance on installationof plastics piping systems madefr om different materials intended to beu sed forh otan d cold water installations is givenb yEN V 12108 1 .EN ISO1 58753 :2003 (E) 4 Accordingt o the CEN/CENELEC Internal Regulations,t he nationalst and
38、ards organizationsof the following countries are boundt o implementthisEuro pean Standard: Austria,Belgiu m, Czech Republic, Denmark,Finlan d, France,Ger many,Greece, Hungary, Iceland,Irela nd,It aly, Luxembourg,M alta,Ne therlands, Norway, Portugal, Slovakia,S pain, Sweden,Swi tzerlandandtheUnitedK
39、in gdom. Introduction TheS ystemSta ndard ofw hich thisis Part 3,speci fiest her equirements forapiping systemwhen made from polypropylene(PEX). Thepi ping system isin tended tobeused for hot andc old water installations. Inrespectofp otential adversee ffectsonth e quality ofw aterint ended forhu ma
40、nconsu mption,caus ed by the productc overed byt hissta ndard: Thisstandardp rovides no informationast o whetherthepr oduct maybeuse d withoutrestrictio n in any of the MemberStates oftheEUor EFTA; Itsho uld be notedt hat, while awaiting the adoptionofve rifiable Europeancrite ria, existing national
41、r egulations concerningt heus e and/ort hecharac teristicsofthisp roductre main in force. Requirementsand test methods for materials andco mponents,ot hert han fittings,a respeci fiedin Part 1 and Part 2 ofENISO 15875:2003.Charac teristics for fitness forpurpose( mainly forjoints)arec overedin Part
42、5. Part 7 (CEN ISO/TS15 8757) gives guidance fort heassess mentofcon formity. ThisPartof EN ISO15 875s pecifiest hecharac teristicsof the fittings. 1Scope ThisPartofEN ISO1 5875s pecifiest hecharac teristicsof fittings forcrosslin kedpoly ethylene(PEX)pipi ng systemsintend edt o be used forho t andc
43、old waterinstalla tions withinb uildings fortheco nveyanceof water, whetheror notint ended forhu manconsu mption,( domestic systems)and forheating systems,underdesign pressuresand temperaturesapp ropriate tot heclassofa pplication(see Table 1 ofEN ISO 158751: 2003). Thisstandardc oversar ange ofserv
44、icec onditions(a pplicationclasses)and designpressureclasses.Forvalu esof T D , T max and T mal inexcessofthosein Table 1ofPart 1,thissta ndard does not apply. NOTE It isth ere sponsibilityofthepu rchasero r specifiert o make theappropri ate selections from thesea spects,t akingi nto account their p
45、articularrequir ementsandanyrelevantnationalregulatio ns andinstall ationpracti ceso r codes. Italso specifiest hetest parameters forthetest methodsre ferredt o in thisst andard. Inconjunc tion witht heo ther PartsofE N ISO 15875:2003(see Foreword) it isap plicableto fittings made from crosslinkedpo lyethylene(PEX)andto fittings made fromother materials which areint endedt o be fitted to pipes conformingt o EN IS
