引言 Introduction

This standard is relevant for electrically operated (opening and closing) sanitary tapware used with sanitary appliances, with a maximum voltage of 42 V AC / 72 V DC, in the enclosure of the tap

介绍本标准适用于与卫生器具配套的最大电压为 42v 交流 / 72v 直流的电动(开闭)卫生水龙头。在水龙头的外壳里。

Such tapware can be operated by any electrical source e.g. mains with a transformer, battery, etc.

这种水龙头可以由任何电源操作，例如带有变压器、电池等的电源。

Flow and temperature regulation devices installed either upstream or downstream of the tapware are not covered by this specification.

本规范不包括安装在水龙头上游或下游的流量和温度调节装置。

The purpose of this standard is to define requirements for the:

本标准的目的是为:

1) marking, identification, leak-tightness, electrical and operational safety, mechanical performance and limitation of water hammer for electrical opening and closing tapware;

1) 电气开闭件的标记、标识、密封性、电气和操作安全、机械性能及水锤的限制；

2) dimensional, hydraulic, endurance and acoustic characteristics;

2) 尺寸、水力、耐久性和声学特性；

3) procedure of tests in order to verify these characteristics.

3) 试验程序，以验证这些特性。

As for possible unfavourable effects of the product to which this standard applies, on the quality of water intended for human consumption:

关于本标准适用的产品对预期或人类消费的水的质量可能产生的不利影响；

4) no information is provided by this standard on possible use restrictions of the product in any of the member states of the EU or EFTA;

4) 本标准未提供任何关于本产品在欧盟或欧洲自由贸易区任何成员国的可能使用限制的信息；

5) it should be noted that, while awaiting the adoption of verifiable European criteria, existing national regulations concerning the use and/or characteristics of this product remain in force.

5) 应当指出，在等待可核查的欧洲标准通过的同时，关于本产品的使用和/或特性的现有国家规定仍然有效。

Requirements for different products are defined in different clauses of this standard as illustrated in Table 1.

本标准的不同条款对不同产品的要求进行了定义，如表1所示。

表1 本标准条款标识 Table 1 — Identification of the clauses of this standard

	标记	尺寸特性	耐久	噪音	电器安全试验	操作安全性	泄漏/密封性	机械性能	水力特性	水锤效应	水锤符合产品标准
条款 4：一般需求和测试	×				×	×	×	×
条款 5：水龙头的要求测试		×	×	×					×	×
条款 6：冲水阀的要求和试验		×	×						×	×
条款 7：WC 冲水阀的要求和试验		×	×	×					×		×