BS EN 12729-2002 防饮用水回流污染设备.带减压区的可控制回流防止器.B系列A型
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【英文标准名称】:Devicestopreventpollutionbybackflowofpotablewater-Controllablebackflowpreventerwithreducedpressurezone-FamilyB.TypeA
【原文标准名称】:防饮用水回流污染设备.带减压区的可控制回流防止器.B系列A型
【标准号】:BSEN12729-2002
【标准状态】:现行
【国别】:英国
【发布日期】:2003-01-30
【实施或试行日期】:2003-01-30
【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】:防回流;打印扫描;试验;设计;压力;作标记;定义;给水;饮用水供给;阀门;止回阀;压力变化;规范(验收);特性;反虹吸系统;隔离器;额定压力;恒定负载
【英文主题词】:Anti-siphonagesystems;Backflowcheckvalve;Backflowpreventers;Definition;Definitions;Design;Drinkingwatersupply;Isolators;Marking;Permanentload;Pressure;Pressurevariation;Print-span;Properties;Ratedpressure;Specification(approval);Testing;Valves;Watersupply
【摘要】:ThisEuropeanStandardspecifiesthefieldofapplication,thedimensional,thephysico-chemical,thedesign,thehydraulic,themechanical,andtheacousticcharacteristicsofcontrollablebackflowpreventerwithreducedpressurezoneFamilyBTypeA.ThisstandardcoverscontrollablebackflowpreventersofFamilyBTypeA,withreducedpressurezones,intendedtopreventbackflowbybacksiphoningorbackpressureofwaterintothepotablewaterdistributionsystemwheneverthepressureofthelatterislowerthanthesystemlocateddownstream.ItisapplicabletocontrollablebackflowpreventersindenominationsDN8uptoDN250.ItcoverscontrollablebackflowpreventersofPN10thatarecapableofworkingwithoutmodificationoradjustment:—atanypressureupto1MPa(10bar);—withanypressurevariationupto1MPa(10bar);—inpermanentdutyatalimitedtemperatureof65℃and90℃for1hmaximum.Itspecifiesalsothetestmethodsandrequirementsforverifyingtheircharacteristics,themarkingandthepresentationatdelivery.
【中国标准分类号】:P42
【国际标准分类号】:13_060_20;91_140_60
【页数】:36P.;A4
【正文语种】:英语
【原文标准名称】:防饮用水回流污染设备.带减压区的可控制回流防止器.B系列A型
【标准号】:BSEN12729-2002
【标准状态】:现行
【国别】:英国
【发布日期】:2003-01-30
【实施或试行日期】:2003-01-30
【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】:防回流;打印扫描;试验;设计;压力;作标记;定义;给水;饮用水供给;阀门;止回阀;压力变化;规范(验收);特性;反虹吸系统;隔离器;额定压力;恒定负载
【英文主题词】:Anti-siphonagesystems;Backflowcheckvalve;Backflowpreventers;Definition;Definitions;Design;Drinkingwatersupply;Isolators;Marking;Permanentload;Pressure;Pressurevariation;Print-span;Properties;Ratedpressure;Specification(approval);Testing;Valves;Watersupply
【摘要】:ThisEuropeanStandardspecifiesthefieldofapplication,thedimensional,thephysico-chemical,thedesign,thehydraulic,themechanical,andtheacousticcharacteristicsofcontrollablebackflowpreventerwithreducedpressurezoneFamilyBTypeA.ThisstandardcoverscontrollablebackflowpreventersofFamilyBTypeA,withreducedpressurezones,intendedtopreventbackflowbybacksiphoningorbackpressureofwaterintothepotablewaterdistributionsystemwheneverthepressureofthelatterislowerthanthesystemlocateddownstream.ItisapplicabletocontrollablebackflowpreventersindenominationsDN8uptoDN250.ItcoverscontrollablebackflowpreventersofPN10thatarecapableofworkingwithoutmodificationoradjustment:—atanypressureupto1MPa(10bar);—withanypressurevariationupto1MPa(10bar);—inpermanentdutyatalimitedtemperatureof65℃and90℃for1hmaximum.Itspecifiesalsothetestmethodsandrequirementsforverifyingtheircharacteristics,themarkingandthepresentationatdelivery.
【中国标准分类号】:P42
【国际标准分类号】:13_060_20;91_140_60
【页数】:36P.;A4
【正文语种】:英语
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