ISO 15877的本部分规定了由氯化聚氯乙烯（PVCC）制成的管道系统配件的特性，该管道系统拟用于建筑物内的热水和冷水输送装置，根据应用类别（见ISO 15877-1:2009表1），无论是否用于人类消费（家用系统）和设计压力和温度下的加热系统。包含以下内容:BS EN ISO 15877-3:2009+A1:2010

This part of ISO 15877 specifies the characteristics of fittings made from chlorinated poly(vinyl chloride) (PVCC) for piping systems intended to be used for hot and cold water installations within buildings for the conveyance of water, whether or not intended for human consumption (domestic systems) and for heating systems under design pressures and temperatures according to the class of application (see Table 1 of ISO 15877-1:2009).Incorporates the following:BS EN ISO 15877-3:2009+A1:2010