BS 4825-3-1991+A2-2009 食品工业及其他卫生设施用不锈钢管及配件.夹紧型连接件规

+A2:2009ICS67.260;77.140.75+A2:2009©BSI20099780580656392AmendmentNo.231August2009Seeforeword09/30194304DC+A2:200920092009+A2:2009BS4825-3:1991+A2:2009supersedesBS4825-3:1991,whichiswithdrawn.CompliancewithaBritishStandardcannotconferimmunityfromlegalobligations.ThestartandfinishoftextintroducedoralteredbyAmendmentNo.2isindicatedinthetextbytags#$.AmendmentNo.1isnotindicated.Minoreditorialchangesarenottagged.2009+A2:2009#page15$.2009+A2:20092009+A2:2009#BSISO48$2009+A2:2009#12.7$#19.05$2009+A2:2009#$2009+A2:2009#fullpenetration$2009+A2:2009#likelytocomeintocontactwiththefood$#inaccordancewithBSEN10204,$#conformto$2009+A2:2009#BSEN20286-1andBSEN20286-2$#$+A2:20092009+A2:20092009+A2:2009#BSENISO6507-1BSENISO6506-1BSENISO6508-1$2009+A2:20092009+A2:20092009+A2:2009#conformto$#Europeansteelnumber$#NOTEInJuly1999theWatersupply(Waterfittings)regulations1999replacedlocalwaterbyelawsinEnglandandWales.InScotland,referenceshouldbemadetotheScottishWaterbyelaws2004.GuidancecanbeobtainedfromTheWaterRegulationsAdvisoryScheme,FernClose,Pen-Y-FanIndustrialEstate,Oakdale,GwentNP113EH.AlistofWRASapprovedwaterfittingsisavailableon-lineatfittings_search.asp.$2009+A2:2009#BS1134-1,Assessmentofsurfacetexture—Part1:MethodsandinstrumentationBS4825-1,Stainlesssteeltubesandfittingsforthefoodindustryandotherhygienicapplications—Part1:SpecificationfortubesBS6920-1,Suitabilityofnon-metallicproductsforuseincontactwithwaterintendedforhumanconsumptionwithregardtotheireffectonthequalityofwater—Part1:SpecificationBSEN10204,Metallicmaterials—TypesofinspectiondocumentsBSEN20286-1,ISOsystemoflimitsandfits—Part1:Basesoftolerances,deviationsandfitsBSEN20286-2,ISOsystemoflimitsandfits—Part2:TablesofstandardtolerancegradesandlimitdeviationsforholesandshaftsBSENISO6506-1,Metallicmaterials—Brinellhardnesstest—Part1:TestmethodBSENISO6507-1,Metallicmaterials—Vickershardnesstest—Part1:TestmethodBSENISO6508-1,Metallicmaterials—Rockwellhardnesstest—Part1:Testmethod(scalesA,B,C,D,E,F,G,H,K,N,T)BSISO48,Rubber,vulcanizedorthermoplastic—Determinationofhardness(hardnessbetween10IRHDand100IRHD)ISO2852,Stainlesssteelclamppipecouplingsforthefoodindustry2)$+A2:2009