EN ISO 1452的这一部分根据EN ISO 1452的适用部分评估化合物/制剂，产品，接头和组件的一致性的指导，打算将其作为质量的一部分纳入制造商的质量计划管理体系和建立认证程序。 建议质量管理体系符合或不逊于EN ISO 9001 [1]的相关要求。 注意如果涉及认证，认证机构和检验机构最好符合EN 45011 [2]，EN 45012 [3]或EN ISO/IEC 17021 [4]的要求。 结合EN ISO 1452的第1部分至第5部分（见前言），本文件适用于未加塑化的聚氯乙烯（PVC-U）塑料管道系统，用于供水和压力下的埋地和地下排水和污水处理

This part of EN ISO 1452 gives guidance for the assessment of conformity of compounds/formulations, products, joints and assemblies in accordance with the applicable parts of EN ISO 1452 intended to be included in the manufacturer’s quality plan as part of the quality management system and for the establishment of certification procedures. It is recommended that the quality management system conforms to or is no less stringent than the relevant requirements to EN ISO 9001 [1]. NOTE If certification is involved, the certification body and inspection body is preferably compliant with EN 45011 [2], EN 45012 [3] or EN ISO/IEC 17021 [4], as applicable. In conjunction with Parts 1 to 5 of EN ISO 1452 (see Foreword) this document is applicable to unplasticized poly(vinyl chloride) (PVC-U) plastics piping systems for water supply and for buried and above-ground drainage and sewerage under pressure.