08/02 - 2 Construction subject to change. Version: 28.03.2012 No return possible!

Description The weather protection grille type ALAS-F 125 especially for facade installation, is used for covering large-area air intake or air outlet openings on exterior walls. Any number of parts can be mounted next to each other or above one another to give the optical impression of a circumferential band. As standard the weather protection grille is supplied in single components. At an extra charge, the (individual) grille is also available mounted. Bands have to be joined on-site. Special sizes optional. The expansion joints must be allowed for on site when the grille is assembled. The...

Band design Divided vertically (B > 2000 mm) B+10 If weather protection grilles for facades are combined to form a band, allowance must be made for expansion joints during onsite assembly. The weather protection grilles type ALAS-F 125 are constructed in one piece up to a width / height of 2000 mm and can be combined to form a band of any width / height. With heights of over 1500 mm, wind stress must be taken into consideration with regard to the subframe construction. For special heights, the projection length of the end blade will change. It may be above the installation opening, requiring...

Corner connection Free cross-section in m2 ALAS-F 125 corner pieces with a width of 600 / 600 mm and a height of up to 2000 mm are produced in one piece. Cover plate (at an extra charge) Construction subject to change. Correction factor

Weather Protection Grille Model ALAS-F 125 Legend pt (Pa) = Pressure loss KF (-) = Correction factor LWA1 [dB(A)] = A-weighted sound power level, relative to 1 m² LWA [dB(A)] = A-weighted sound power level [LWA = LWA1 + KF] A (m²) = Inflow area vstirn (m/s) = Intake velocity, blower stream velocity, outflow velocity, relative to (H - 135) x B  (kg/m³) = Density FQ (m²) = Free cross-section H (mm) = Height B (mm) = Width Ordering details Weather Protection Grille Type ALAS-F 125 Blades made of galvanised sheet steel Blades made of stainless steel 1.4301 (V2A) painted in the colour sand silver...