MIL-M-45202C, MILITARY SPECIFICATION: MAGNESIUM ALLOY, ANODIC TREATMENT OF (01 APR 1981) [S/S BY ASTM-D1732]., This specification covers the requirements for equipment, materials, and procedures to be used in anodic treatments for magnesium base alloys for the purpose of increasing their corrosion resistance or for producing surfaces suitable for the application of a protective organic finish.【英文标准名称】:Devicestopreventpollutionbybackflowofpotablewater-In-lineanti-vacuumvalvesDN8toDN80-FamilyD,typeA
【原文标准名称】:防饮用水回流污染的装置.直通反真空阀DN8至DN80.A型D系列
【标准号】:BSEN14451-2005
【标准状态】:现行
【国别】:英国
【发布日期】:2005-12-21
【实施或试行日期】:2005-12-21
【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】:反虹吸系统;反真空装置;回流;单向阀;止回阀;化学性质;定义;设计;名称与符号;尺寸;排放旋塞;饮用水管理;饮用水设备;饮用水供给;流量率;流体设备元件;危害;卫生学;作标记;材料性能;材料;安装尺寸;管道装置;管;管道工程系统;引用水污染;饮用水;特性;水源保护;保护措施;质量;质量保证;逆流;逆流控制;安全装置;安全措施;安全阀;保安措施;规范(验收);温度;试验;密封性;阀门;水;输水管道配件;水污染;水常规;水净化;水质;给水;给水(建筑物);给水设施
【英文主题词】:Anti-siphonagesystems;Anti-vacuumdevices;Backflow;Checkvalves;Chemicalproperties;Definition;Definitions;Design;Designations;Dimensions;Draw-offtaps;Drinkingwatercontrol;Drinkingwaterinstallations;Drinkingwatersupply;Flowrates;Fluidequipmentcomponents;Hazards;Hygiene;Marking;Materialproperties;Materials;Mountingdimensions;Pipelineinstallations;Pipes;Pipeworksystems;Pollutionofdrinkingwater;Potablewater;Properties;Protectionofwaterresources;Protectivemeasures;Quality;Qualityassurance;Reflux;Refluxcontrol;Safetydevices;Safetymeasures;Safetyvalves;Securitymeasures;Specification(approval);Temperature;Testing;Tightness;Valves;Water;Waterfittings;Waterpollution;Waterpractice;Waterpurification;Waterquality;Watersupply;Watersupply(buildings);Watersupplyinstallations
【摘要】:Thisdocumentspecifies:a)fieldofapplication;b)requirementsforinlineanti-vacuumvalves;c)dimensional,thephysico-chemicalpropertiesandthepropertiesofgeneralhydraulic,mechanicalandacousticdesignofin-lineanti-vacuumvalvesDN8toDN80;d)testmethodandrequirementsforverifyingtheseproperties;e)markingandpresentation;f)acoustics.Thisdocumentspecifiesthecharacteristicsofin-lineanti-vacuumvalvesDN8toDN80thataresuitableforuseindrinkingwatersystemsatpressuresupto1MPa(10bar)andtemperaturesupto65°Candfor1hat90°C.
【中国标准分类号】:Q81
【国际标准分类号】:13_060_20;23_060_50
【页数】:24P.;A4
【正文语种】:英语