BS EN 1490-2000 建筑物阀门.温度和压力结合型的释放阀门.试验和要求

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【英文标准名称】:Buildingvalves-Combinedtemperatureandpressurereliefvalves-Testsandrequirements
【原文标准名称】:建筑物阀门.温度和压力结合型的释放阀门.试验和要求
【标准号】:BSEN1490-2000
【标准状态】:现行
【国别】:英国
【发布日期】:2000-10-15
【实施或试行日期】:2000-10-15
【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】:温度;压力;给水(建筑物);减压阀;尺寸;压力调节器;水蓄热器;供热水系统;性能试验;机械试验;阀门
【英文主题词】:
【摘要】:ThisEuropeanStandardspecifies,dimensions,materialsandperformancerequirements(includingmethodsoftest)forcombinedtemperatureandpressurereliefvalves,ofnominalsizesfromDN15toDN40,havingworkingpressuresfrom0,1MPa(1bar)to1,0MPa(10bar).Combinedtemperatureandpressurereliefvalvesareintendedforfittingtostoragewaterheaters,havingamaximumdistributiontemperatureof95℃,forallenergysources.Combinedtemperatureandpressurereliefvalvescontrolandlimitthetemperatureandpressureofthewatercontainedinahotwaterheatertothevalvesratingpressureandatemperaturenotexceeding100℃andwillpreventwatertosteamformationwhenothertemperaturecontrolsfail.Theyarenotintendedtoactasanexpansionvalveundernormalconditionsanddonotcontrolcoldwaterflow.Alonethevalvedoesnotconstitutethecontrolfunctionsforawaterheater.NOTE:Theuseofthedevicespecifiedinthisstandarddoesnotoverridetheneedtousecontrols(e.g.thermostatsandcut-outs)whichactdirectlyonthepowersourcesofwaterheaters.note:1)Allpressuresaregaugeunlessotherwisestated.
【中国标准分类号】:J16
【国际标准分类号】:91_140_60
【页数】:28P;A4
【正文语种】:英语