【英文标准名称】:Plasticspipingsystemsforthesupplyofgaseousfuels.Polyethylene(PE).Fitnessforpurposeofthesystem
【原文标准名称】:气体燃料供应用塑料管系统.聚乙烯(PE).系统适用性
【标准号】:BSEN1555-5-2010
【标准状态】:现行
【国别】:英国
【发布日期】:2010-11-30
【实施或试行日期】:2010-11-30
【发布单位】:英国标准学会(GB-BSI)
【起草单位】:BSI
【标准类型】:()
【标准水平】:()
【中文主题词】:压缩气体设备;定义(术语);适用性;配件;燃气管道;燃气供应;气体供应管线;材料;聚乙烯(PE);聚乙烯管道;管道;管系统;塑料管;聚乙烯;压缩气体管道;性能;规范(验收);系统;试验参数;测试;阀门
【英文主题词】:Compressedgasequipment;Definitions;Fitnessforpurpose;Fittings;Gaspipelines;Gassupply;Gassupplyline;Materials;PE;PEpipes;Pipelines;Pipingsystem;Plasticpipes;Polyethylene;Pressuregaspipelines;Properties;Specification(approval);Systems;Testparameter;Testing;Valves
【摘要】:ThispartofEN1555specifiesrequirementsoffitnessforpurposeofthepolyethylene(PE)pipingsysteminthefieldofthesupplyofgaseousfuels.Itspecifiesthedefinitionsofelectrofusion,buttfusionandmechanicaljoints.Itspecifiesthemethodofpreparationoftestpiecejoints,andtheteststobecarriedoutonthesejointsforassessingthefitnessforpurposeofthesystemundernormalandextremeconditions.Itspecifiesthetestparametersforthetestmethodsreferredtointhisstandard.InconjunctionwithParts1to4ofEN1555,itisapplicabletoPEpipes,fittings,valves,theirjointsandtojointswithcomponentsofothermaterialsintendedtobeusedunderthefollowingconditions:a)amaximumoperatingpressure,MOP,uptoandincluding10bar1);b)anoperatingtemperatureof20°Casreferencetemperature.NOTE1Forotheroperatingtemperatures,deratingcoefficientsshouldbeused,seeAnnexA.EN1555(allparts)coversarangeofmaximumoperatingpressuresandgivesrequirementsconcerningcoloursandadditives.NOTE2Itistheresponsibilityofthepurchaserorspecifiertomaketheappropriateselectionsfromtheseaspects,takingintoaccounttheirparticularrequirementsandanyrelevantnationalregulationsandinstallationpracticesorcodes.
【中国标准分类号】:Q82
【国际标准分类号】:23_040_01;91_140_40
【页数】:20P.;A4
【正文语种】:英语


【英文标准名称】:Acoustics-Determinationofsoundpowerlevelsofnoisesources-Guidelinesfortheuseofbasicstandards
【原文标准名称】:声学.噪声源的声压级的测定.基础标准使用导则
【标准号】:BSENISO3740-2001
【标准状态】:现行
【国别】:英国
【发布日期】:2001-02-15
【实施或试行日期】:2001-02-15
【发布单位】:英国标准学会(BSI)
【起草单位】:BSI
【标准类型】:()
【标准水平】:()
【中文主题词】:声学试验;噪声(环境的);声强;加工设备;声学测量
【英文主题词】:
【摘要】:ThisInternationalStandardgivesguidancefortheuseofaseriesofnineInternationalStandardsdescribingvariousmethodsfordeterminingthesoundpowerlevelsfromalltypesofmachineryandequipment.Itprovides:—briefsummariesofthesebasicInternationalStandards;—guidanceontheselectionofoneormoreofthesestandardswhichareappropriatetoanyparticulartype(seeclause5andannexD).Theguidancegivenappliesonlytoairbornesound.Itisforuseinthepreparationofnoisetestcodes(seeISO12001)andalsoinnoisetestingwherenospecificnoisetestcodeexists.ThisInternationalStandardisnotintendedtoreplaceanyofthedetailsof,oraddanyadditionalrequirementsto,theindividualtestmethodsintheotherbasicstandardsreferredto.Thesebasicstandardsspecifytheacousticalrequirementsformeasurementsappropriatefordifferenttestenvironmentsandaccuracies.ItisimportantthatspecifictestcodesforvarioustypesofmachineryandequipmentbeestablishedandusedinaccordancewiththerequirementsofthesebasicInternationalStandards.SuchstandardizednoisetestcodeswillrecommendthebasicInternationalStandard(s)tobeusedandwillgivedetailedrequirementsonmountingandoperatingconditionsforaparticularfamilytowhichthemachineundertestbelongs.Ifnospecificnoisetestcodeexistsforaparticulartypeofmachinery,thisInternationalStandardisofuseforthechoiceofthemostsuitableofthebasicstandards.Inallcases,themountingandoperatingconditionsofthemachineundertestshouldbeinaccordancewiththegeneralprinciplesgiveninthebasicstandards.NOTETwoquantitieswhichcomplementeachothercanbeusedtodescribethesoundemissionofmachineryorequipment.Oneistheemissionsoundpressurelevelataspecifiedpositionandtheotheristhesoundpowerlevel.TheInternationalStandardswhichdescribethebasicmethodsfordeterminingemissionsoundpressurelevelsattheworkstationandatotherspecifiedpositionsaretheseriesISO11200toISO11204.
【中国标准分类号】:Z32
【国际标准分类号】:17_140_20
【页数】:38P;A4
【正文语种】:英语