AS 1357.1-2009 Valves primarily for use in heated

AS1357.1—2009AustralianStandard®ValvesprimarilyforuseinheatedwatersystemsPart1:ProtectionvalvesAS1357.1—2009ThisAustralianStandard®waspreparedbyCommitteeWS-026,ValvesPrimarilyforUseinWarmandHotWaterSystems.ItwasapprovedonbehalfoftheCouncilofStandardsAustraliaon22September2008.ThisStandardwaspublishedon28January2009.ThefollowingarerepresentedonCommitteeWS-026:•AustralianChamberofCommerceandIndustry•AustralianIndustryGroup•BuildingOfficialsInstituteofNewZealand•ConsumersFederationofAustralia•DepartmentofHealth(SouthAustralia)•GasApplianceManufacturersAssociationofAustralia•InstituteofHospitalEngineeringAustralia•MasterPlumbersandMechanicalServicesAssociationofAustralia•MasterPlumbersAssociationofNSW•MasterPlumbers,GasfittersandDrainlayersNewZealand•NewZealandEmployersandManufacturersAssociation•NewZealandEngineersFederation•NSWHealthDepartment•PlumbingProductIndustryGroup(AUSTAP)•WaterCorporationWesternAustraliaThisStandardwasissuedindraftformforcommentasDR07139.StandardsAustraliawishestoacknowledgetheparticipationoftheexpertindividualsthatcontributedtothedevelopmentofthisStandardthroughtheirrepresentationontheCommitteeandthroughthepubliccommentperiod.KeepingStandardsup-to-dateAustralianStandards®arelivingdocumentsthatreflectprogressinscience,technologyandsystems.Tomaintaintheircurrency,allStandardsareperiodicallyreviewed,andneweditionsarepublished.Betweeneditions,amendmentsmaybeissued.Standardsmayalsobewithdrawn.ItisimportantthatreadersassurethemselvestheyareusingacurrentStandard,whichshouldincludeanyamendmentsthatmayhavebeenpublishedsincetheStandardwaspublished.DetailedinformationaboutAustralianStandards,drafts,[e-mail],orwritetoStandardsAustralia,GPOBox476,Sydney,NSW2001.AS1357.1—2009AustralianStandard®ValvesprimarilyforuseinheatedwatersystemsPart1:ProtectionvalvesOriginatedasASB271—1968.ASB271—1968revisedandredesignatedAS1357—1972.AS1357—1972revisedandredesignatedinpartAS1357.1—1988.Fourthedition2009.COPYRIGHT©StandardsAustraliaAllrightsarereserved.Nopartofthisworkmaybereproducedorcopiedinanyformorbyanymeans,electronicormechanical,includingphotocopying,withoutthewrittenpermissionofthepublisher.PublishedbyStandardsAustraliaGPOBox476,Sydney,NSW2001,AustraliaISBN0733789951AS1357.1—20092PREFACEThisStandardwaspreparedbytheAustralianmembersoftheJointStandardsAustralia/StandardsNewZealandCommitteeWS-026,ValvesPrimarilyforUseinWarmandHotWaterSystems,tosupersedeAS1357.1—2004,Watersupply—Valvesforusewithunventedwaterheaters,Part1:Protectionvalves,andATS5200.476—2006,TechnicalSpecificationforplumbinganddrainageproducts,Part476:Heatedwatersystems—Leakprotectiondevice.Afterconsultationwithstakeholdersinbothcountries,StandardsAustraliaandStandardsNewZealanddecidedtodevelopthisStandardasanAustralianStandardratherthananAustralian/NewZealandStandard.TheobjectiveofthisStandardistoprovidemanufacturerswithdesign,materialsandperformancerequirementsfortheprotectionofvalves.OtherStandardscoveringheatedwatersystemvalvesincludethefollowing:AS1357Valvesprimarilyforuseinheatedwatersystems1357.2Part2:Controlvalves4032Watersupply—Valvesforthecontrolofheatedwatersupplytemperatures4032.1Part1:Thermostaticmixingvalves—Materialsdesignandperformancerequirements4032.2Part2:Temperingvalvesandend-of-linetemperatureactuateddevices4032.3Part3:Requirementsforfieldtesting,maintenanceorreplacementofthermostaticmixingvalves,temperingvalvesandendoflinetemperaturecontroldevicesTheterms‘normative’and‘informative’havebeenusedinthisStandardtodefinetheapplicationoftheappendixtowhichtheyapply.A‘normative’appendixisanintegralpartofaStandard,whereasan‘informative’appendixisonlyforinformationandguidance.StatementsexpressedinmandatorytermsinnotestotablesandfiguresaredeemedtoberequirementsofthisStandard.3AS1357.1—2009CONTENTSPageSECTION1SCOPEANDGENERAL1.1SCOPE........................................................................................................................61.2APPLICATION...........................................................................................................61.3NORMATIVEREFERENCES....................................................................................61.4DEFINITIONS............................................................................................................61.5INSTRUMENTATION...............................................................................................81.6MARKING..................................................................................................................8SECTION2MATERIALS2.1GENERAL..................................................................................................................92.2CONTAMINATIONOFWATER...............................................................................92.3CORROSION-RESISTANTMETALLICMATERI