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1 试验应参照的标准试验应严格依照ＧＢ Ｔ 172 19— 1998《生活饮用水输配水设备及防护材料的安全性评价标准》进行。该标准中规定了卫生安全性评价的方法并适于与饮用水、处理剂直接接触的管配件 ,且管网末梢的水质必须符合ＧＢ 5 74 9— 85要求。根据ＧＢ Ｔ 172 19— 1998
1 test should refer to the standard test should be strictly in accordance with GB T 172 19- 1998 “drinking water distribution equipment and protective materials safety evaluation criteria”. The standard specifies the method of hygienic safety assessment and is suitable for direct contact with drinking water, treatment agent pipe fittings, and pipe network water quality must meet the requirements of GB 5 74 9-85. According to GB T 172 19- 1998