EN 1507 : Ventilation for buildings - Sheet metal air ducts with rectangular section - Requirements for strength and leakage.

VENTILATION HYGIENIQUE CONDITIONNEMENT AIR CONDUIT (CLIMATISATION) CRITERE PERFORMANCE DEBIT DEFORMATION ESSAI ETANCHEITE ESSAI MECANIQUE ETANCHEITE AIR FLECHE FORME RECTANGULAIRE GAINE CHAUFFAGE GAINE VENTILATION JOINT LIAISON MESURE METHODE ESSAI NORME EN NORME NBN PRECISION MESURE PRESSION DIFFERENTIELLE SPECIFICATION TOLE VENTILATION