本欧洲标准规定了具有圆形横截面的管道和管道配件的尺寸。它适用于建筑物通风和空调系统中使用的管道系统，可供人居住。本标准未规定管道和配件的壁厚;强度和泄漏在EN 12237 [2]中得到解决。 矩形管道的相应标准是EN 1505 [1]

This European Standard specifies dimensions of ducts and duct fittings with circular cross- section. It applies to ductwork used in ventilating and air conditioning systems in buildings, subject to human occupancy. The wall thickness of ducts and fittings is not specified in this standard; strength and leakage are dealt with in EN 12237 [2]. The corresponding standard for rectangular ducts is EN 1505 [1].