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1、._&(dw@tm)IndianStandardCENTRIFUGALLYCAST(SPUN)IRONPRESSUREPIPESFORWATER,GASANDSEWAGE—SPECIFICATION(FourthRevision)ICS23.040.10QBIS2001BUREAUOFINDIANSTANDARDSMANAKBHAVAN,9BAHADURSHAHZAFARMARGNEWDELHI110002July2001PriceGroup8PigIronandCastIronSectionalCommittee,MTD6FO
2、REWORDThisIndianStandardwasadoptedbytheBureauofIndianStandards,afterthedraftfinalizedbythePigIronandCastIronSectionalCommittee,hadbeenapprovedbytheMetallurgicalEngineeringDivisionCouncil.Thisstandardwasfirstpublishedin1960andsubsequentlyrevisedin1967,1976and1989.Whil
3、ereviewingthisstandard,inviewoftheexperiencegained,theCommitteehasdecidedtoreviseitincorporatingthefollowingmodifications:a)Amendmentsissuedhavebeenincorporated..b)Definitionofvarioustermshavebeenincorporated.c)Aclauseontypeofjointsandinter-connectionhasbeenincorpora
4、ted..d)Toleranceonbarreldiameterandsocketdimensions(push-onjoints)havebeenmodified.e)AgeneralclauseonQualityAssuranceSystemhasbeenincorporated.Inthepreparationofthisstandarddueconsiderationhasbeengiventothemanufacturingandtradepracticesfollowedinthecountryinthisfield
5、andassistancehasbeenderivedfromthefollowingInternationalSpecifications:1S013:1978Greyironpipes,specialcastingsandgreyironpartsforpressuremainlines;issuedbytheInternationalOrganizationforStandardization(1S0).BS:4622Specificationforgreyironpipesandfittings,issuedbytheB
6、ritishStandardsInstitution(BSI).ThecompositionofthecommitteeresponsibleforformulationofthisstandardisgiveninAnnexC.Forthepurposeofdecidingwhetheraparticularrequirementofthisstandardiscompliedwith,thefinalvalue,observedorcalculated,expressingtheresultofatest,shallbero
7、undedoffinaccordancewithIS2:1960‘Rulesforroundingoffnumericalvalues(revised)’.Thenumberof#significantplacesretainedintheroundedoffvalueshouldbethesameasthatofthespecitiedvalueinthisstandard..,IS1536:2001IndianStandardCENTRIFUGALLYCAST(SPUN)IRONPRESSUREPIPESFORWATER,G
8、ASANDSEWAGE—SPECIFICATION(FourthRevision)1SCOPEISNO.Title1.1Thisstandardcoverstherequirementsfor5382:1985Rubbersealingringforgasmai