【英文标准名称】:Specificationforcorrugatedstainlesssteelsemi-rigidpipeandassociatedfittingsforlow-pressuregaspipeworkofuptoDN50
【原文标准名称】:达到DN50的低压气体管道系统用的波纹状不锈钢半硬式管材和有关配件规范
【标准号】:BS7838-1996
【标准状态】:作废
【国别】:英国
【发布日期】:1996-08-15
【实施或试行日期】:1996-08-15
【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】:老化试验;弯曲试验;耐化学性试验;涂层;波纹状的;湿空气试验;设计;直径;压差;尺寸规格;弹性体;耐久试验;耐火性;燃烧试验;柔性材料;水压;冲击测试;装配;使用说明书;连接;漏泄试验;低温试验;作标记;机械测试;臭氧;性能;管道配件;管;压力试验;质量控制;划痕试验;密封件;尺寸;不锈钢;拉伸测试;试验设备;测试条件;厚度;扭转试验
【英文主题词】:Ageingtests;Bendtesting;Chemical-resistancetests;Coatings;Corrugated;Damp-airtests;Design;Diameter;Differentialpressure;Dimensions;Elastomers;Endurancetesting;Fireresistance;Firetests;Flexiblematerials;Hydraulicpressure;Impacttesting;Installation;Instructionsforuse;Joints;Leaktests;Low-temperaturetesting;Marking;Mechanicaltesting;Ozone;Performance;Pipefittings;Pipes;Pressuretesting;Qualitycontrol;Scratchtests;Seals;Size;Stainlesssteels;Tensiletesting;Testequipment;Testingconditions;Thickness;Torsiontesting
【摘要】:ThisBritishStandardspecifiesrequirementsforsemi-rigid(bendable)corrugatedstainlesssteelpipeandassociatedfittingsinthenominalsizerangeDN10toDN50andintendedforuseasinstallationpipeworkforthesupplyof1st,2ndand3rdfamilygasesinpermanentbuildings.Itappliestocorrugatedpipeandfittingswhicharesuitableforamaximumworkingpressureof75mbarwheninstalledinaccordancewithBS6891orBS5482-1indomesticpremises,orinaccordancewiththeInstitutionofGasEngineerspublicationIGE/UP/2[1]inotherpremises.Requirementsfortheprotectionoftheoutersurfaceofthecorrugatedpipebyacoatingoracoverareincluded.Corrugatedstainlesssteelsemi-rigidpipetothisstandardisnotintendedforapplicationsinwhichduringinstallation,orsubsequenttoinstallation,itcanbesubjectedtorepeatedbending(seeA.5).InformationtobeprovidedintheinstallationinstructionsisspecifiedinAnnexA.AnnexBgivesguidanceonthenatureoftherequirementsandtestmethods,toassistinthepreparationofqualityplansforthemanufactureofcorrugatedpipeandfittings.AnnexCgivesthesuggestedsizesoffittings.NOTE1Atypicalmethodofinstallation,usingcorrugatedpipeandfittingsconformingtothisstandard,istoconnectthemeteroutlettoacentrallyplacedmanifoldbytheuseofsuitablysizedcorrugatedpipe.Eachappliancecanthenbeconnecteddirectlytothemanifold,againbytheuseofsuitablysizedcorrugatedpipe.Alternatively,forsmallinstallations,teescanbeused.Asthecorrugatedpipecanbereadilybenttotherequiredshape,bendandsweepfittingsaregenerallynotrequired.NOTE2Thethreadedend-fittingscoveredbythisstandardarerequiredtoconformtoBS21(see6.4)andarethereforesuitableforuseinconjunctionwithfittingstoBS143&1256orBSEN10242whichhavejointingthreadsinaccordancewithBS21.NOTE3Attentionisdrawntothepossibilityofrestrictedaccessonsiteandtheneedtoconsidertheapplicationofforcesandtorquesrequiredforassembly,particularlyforlargerdiameters,whendesigningandplanningtheinstallation.
【中国标准分类号】:Q82
【国际标准分类号】:23_040_10;75_180_99;91_140_40
【页数】:30P;A4
【正文语种】:英语