Ventilation grille. Dimensions

Transcription

1 Ventilation grille B0 Dimensions B+/A+ B-/A- Description B0 is a rectangular aluminium grille with fixed horizontal bars. B0 is used for both supply and exhaust air, and is supplied as standard with springs for installation in plenum boxes type VBA, WB or mounting frame type GGR. B0 can also be used with volume regulator GAT. Maintenance The grille should be removed to gain access to the plenum box or duct. The external parts should be wiped with a damp cloth. Plenum box: Mounting frame: Volume regulator: VBA, WB GGR GAT A x B mm 0 x 0 00 x 0 00 x 0 00 x 0 00 x 0 00 x 0 00 x 0 00 x 0 00 x 0 00 x 0 00 x 0 Free area F (m ) 0,00 0,0 0,0 0,0 0,0 0,0 0,0 0,0 0,0 0,0 0,0 Weight kg 0, 0, 0, 0, 0, 0,,0, 0,,, Other sizes and types can be supplied - see special grille B. Order code Product B 0 aaa bbb Type A - measure B - measure Materials and finish Grille: Standard finish: Aluminium Natural anodised On request: RAL 0, gloss 0 The grille is available in other colours. Please contact Lindab s sales department for further information. We reserve the right to make changes without prior notice

2 Special grille B Frame No frame B+/A+ No frame B+/A+ With mm flange - wall/ceiling Description Special grille type B is a range of aluminium grilles with fixed bars. The grille can be configured on the basis of the summary on the following pages. As part of the configuration you can select frame, grids, type of mounting and accessories. Finally the A x B dimension is specified. Please note that the A x B dimension varies according to the frame selected. A x B dimensions have certain limitations, which are shown under the order code. With flange - floor B+/A+ B-/A- B+0/A+0 B+/A+ Materials and finish Grille: Standard finish: Aluminium Natural anodized On request: RAL 0 Gloss 0 The grille is available in other colours. Please contact Lindab s sales department for further information. With Z frame - wall With Z frame - floor B-/A- B+/A+ Order code Product B a b c d eee fff Type Frame Grid Installation A - Measure B - Measure A x B: Duct/cutout A dimension: along the bars B dimension: across the bars Can be supplied in other dimensions. Max. A x B = 00 x 00 Min. A x B = 0 x 0 Free area F [m ]= (A-) x (B-) x 0. x - Mounting frame and volume regulator - see GGR/GAT. B-/A- With angle frame - wall With angle frame - floor B+/A+ B-/A- Special floor frame, only design 00 0 We reserve the right to make changes without prior notice

3 Special grille B Grid 0 0 Free area: % Mounting 0 Not prepared for mounting 0 No accessories No. of bars, Direction control 0 bend Free area: % No. of bars, Screw holes, only frame B- A- 0 Free area: 0% With clamp springs. -only frame. Volume control damper, No. of bars, bendfree area: 0%, No. of bars, Mounting frame and springs -only frame 0 Free area: 0% No. of bars Frame types --- with wall anchors Hidden screws. - only frame Direction and volume control damper 0 0 Free area: %, No. of bars 0 Free area: % No. of bars, Direction and volume control damper only possible with frame types -- and. We reserve the right to make changes without prior notice

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5 Ventilation grille/special grille B0/B Technical data Capacity Volume flow q v [l/s] and [m /h], total pressure drop Δp t [Pa], throw l 0. [m] and sound level L WA [db(a)] can be seen in the diagrams. Dimensioning diagram supply air p t [Pa] 0 B F [m ] Throw l 0. Throw l 0. [m] at an average speed of 0. m/s, 0 o bar setting without ceiling effect (distance from diffuser to grille over 00 mm) can be seen in the diagrams. Correction for dispersal - see table below. Bar setting o 0 o Correction factor 0, 0, Sound effect level L WA Sound effect level L WA [db(a)] at 0 o bar setting can be seen in the diagrams. The sound levels apply for grilles without a volume regulator. See the table below for correction of sound level on dispersal [db]. Bar setting o 0 o Correction factor + + Frequency-related sound effect level The sound effect level in the frequency band is defined as L WA +K ok. The K ok values are given in chart. See table below. Supply air Exhaust Centre frequency Hz 00 K K K K Volume regulator GAT Correction of total pressure p t [Pa] and sound effect level L WA [db(a)] using volume regulator. See table below Supply air Open o Closed Pressure [Pa] x, x x Sound power level [db(a)] Exhaust Open o Closed Pressure [Pa] x, x x Sound power level [db(a)] Dimensioning diagram - exhaust p t [Pa] Throw l 0. [m] 0 L WA db(a) q V [m /h] B q V [m /h] B L WA db(a) F [m ] F [m ] l 0. [m] q V [m /h] We reserve the right to make changes without prior notice