LMT-S linear floor grilles classified H 1,5 The LMT-S series grilles are designed to be installed on the floor. They are suitable for supply or air return and classified H 1,5 (installation in perimeter areas, only walkable by people) according to test carried out by a credited independent laboratory, in conformity with the standard EN 1253-2.

MADEL' CLASSIFICATION LMT-S (HxL)+25 FIXING SYSTEMS 1) Hold directly on the floor. FINISHES AA Matt silver anodised. SPECIFICATION TEXT Supply and mounting of linear floor grille with fixed bars at 0° parallels to the largest side series LMT-S AA dim. LxH, constructed from aluminium and anodised in matt silver AA. H 1,5 classification in conformity with the standard EN 1253-2. Manufacturer MADEL.

FREE FACE AREA m2. FREE VELOCITY, PRESSURE LOSS AND SOUND POWER LEVEL. RECOMMENDED VELOCITY. Weighted noise level related to Afree = 0,1m2. Determination of air flow. Measuring the Vf in different points of the grille, we find the Vfmed.

THROW WITHOUT CEILING EFFECT. POSITION OF BLADES 0 WITHOUT CEILING EFFECT. AL0,2 WITH CEILING EFFECT. AL'0,2 = AL0,2 x 1,33