This European Standard specifies dimensions of sheetmetal air ducts and duct fittings with rectangularcross-section. It applies to ductwork used in ventilationand应conditioning systems in buildings subject tohuman occupancyThe wall thickness of ducts andfittings is not specified inThis standard; stren劝 andleakage are dealt with in prEN 1507.
EN 1505:1997 history
1997EN 1505:1997 Ventilation for buildings - Sheet metal air ducts and fittings with rectangular cross section - Dimensions