BS EN 61770-2009 与总水管连接的电器.避免软管组件的反虹吸和失效

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标准号:BS EN 61770-2009
中文标准名称:与总水管连接的电器.避免软管组件的反虹吸和失效
英文标准名称:Electric appliances connected to the water mains - Avoidance of backsiphonage and failure of hose-sets
标准类型:Y62
发布日期:2009/7/31 12:00:00
实施日期:2009/7/31 12:00:00
中国标准分类号:Y62
国际标准分类号:91.140.60;97.040.40;97.060
引用标准:IEC 60730-2-8
适用范围:This International Standard specifies requirements for appliances for household and similarpurposes to prevent the backsiphonage of non-potable water into the water mains. It alsospecifies requirements for hose-sets used for connecting such appliances to the water mainsthat supply water at a pressure not exceeding 1 MPa.NOTE 1 Examples of similar purposes are the installation of appliances in canteens, restaurants, launderettesand communal flats.NOTE 2 This standard does not apply to– appliances used for dry cleaning;– appliances for medical purposes;– appliances intended for industrial purposes;– water heaters that are an integral part of the water supply system;– water coolers that are an integral part of the water supply system.NOTE 3 The connection of the appliance to the water mains may be temporary or permanent.NOTE 4 When reference is made to the water mains, water supplied from a cistern or similar system is alsoincluded.NOTE 5 Many countries have requirements concerning the prevention of contamination of potable water as aresult of contact with unsuitable materials upstream of a backflow prevention device.

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