本欧洲标准规定了用于室内密封电器的金属烟道管材料独立供气管道的要求和试验方法。 它还规定了标记，制造商的说明，产品信息和符合性评估的要求。 注1:有关产品优选尺寸的建议见附录A。 注2:在本欧洲标准中，仅对弹性体和塑料部件规定了一般要求。用于烟道系统的弹性体和塑料制品被单独的标准覆盖，即EN 14241-1和EN 14471。 不合格

This European Standard specifies requirements and test methods for metal flue ducts material independent air supply ducts for room sealed appliances. It also specifies the requirements for marking, manufacturer's instruction, product information and evaluation of conformity. NOTE 1 Recommendations for preferred dimensions of products are given in the informative Annex A. NOTE 2 In this European Standard, only general requirements are specified for elastomeric and plastic components. Elastomeric and plastic products used in flue systems are covered by separate standards, i.e. EN 14241-1 and EN 14471. nformity.