【英文标准名称】:Sealingmaterialsformetallicthreadedjointsincontactwith1st,2ndand3rdfamilygasesandhotwater-UnsinteredPTFEtapes
【原文标准名称】:第1,2,3类家庭用燃气和热水装置连接的金属螺纹接头的密封材料.非烧结PTFE密封带.
【标准号】:BSEN751-3-1997
【标准状态】:现行
【国别】:英国
【发布日期】:1997-07-15
【实施或试行日期】:1997-07-15
【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】:热循环试验;三类家用煤气;窄条带材;螺纹管接头;管联接器;振动试验;重量公差;尺寸公差;缠绕试验;漏泄试验;供热水系统;热试验;一类家用煤气;二类家用煤气;压力试验;管道配件;燃气动力装置;试样;压力;燃气管;工作环境;尺寸测量;温度;管连接件;试验设备;水;试验条件;使用说明;密封材料;含量测定;聚四氟乙烯;作标记;尺寸;金属;润滑剂;分类系统;宽度;性能试验
【英文主题词】:Chemicalhazards;Classification;Contact;Content;Definitions;Detachability;Deviations;Explosionhazard;Firerisks;Gastechnology;Gases;Gaskets;Gas-powereddevices;Heatinginstallations;Hotwater;Installations;Liquefiedpetroleumgas;Lubricants;Marking;Mass;Materials;Metals;Naturalgas;Packages;Plasticstapes;Polytetrafluoroethylene;PTFE;Rotationaldirections;Samples;Screwedconnections;Sealants;Sealingmaterials;Sealingstrips;Specification(approval);Status;Strips;Substance;Temperature;Testing;Threads;Towngas;Vibration
【摘要】:ThisEuropeanStandardspecifiesrequirementsandtestmethodsforunsinteredpolytetrafluorethylene(PTFE)tapes(hereafterreferredtoasPTFEtapes)whicharesuitableforsealingthreadedmetallicjointsasspecifiedinISO7-1.ThePTFEtapesaretypicallyforuseininstallationsfor1stfamilygases(towngas),2ndfamilygases(naturalgas)and3rdfamilygases(liquefiedpetroleumgases(LPG))upto5barandupto7barforhotwaterofheatingsystems(ClassA)aswellasupto0,2baringasappliancesandtheirauxiliaryequipment(ClassB).ThemaximumworkingpressurecoveredinthisEuropeanStandardis20barwhichisrelevanttoLPGstorage(ClassC).Thetemperaturerangeislimitedto-20℃to125℃.NOTE.Forapplicationsoutsidethescopeofthisstandard(e.g.compressedgases)thepurchasershouldconsultthemanufacturer.AnaerobicjointingcompoundsarecoveredbyEN751-1,non-hardeningsealingmaterialsintheformof,e.g.jointingcompoundpaste,arecoveredbyEN751-2.
【中国标准分类号】:Q82
【国际标准分类号】:23_040_80
【页数】:14P;A4
【正文语种】:英语