Technical Selection Guide www.koolair.com

Technical selection guide 1

Grilles Circular diffusers Swirl diffusers Long throw diffusers Square diffusers Linear slot diffusers Floor diffusers Fire dampers VAV/VAC Acoustic Air/Water Displacement diffusers Hospitals/Clean rooms More...

C.C. Nova Arcada (Braga – Portugal) Grilles 20-SH, 20-DH, 24-S1 and 22-5, extract valves GPD, swirl diffusers DF-RO-C and DFRE-GR-TR, overpressure dampers 230-SP, long-throw diffuser DF-47, intumescent grilles LVV-40 and fire dampers SFR and SFC.

General dimensions Single deflection grilles Selection table Product description Single deflection grille, KOOLAIR, model 20-SH, of dimensions LxH, for supplying air with horizontal blades, individually adjustable. It can incorporate volume control damper (-O) and fixation accessory to be determined. Finished in anodised aluminium or any RAL colour upon request. Other models 20-SV. Single deflection aluminium grille with vertical blades. 21-SH. Single deflection steel sheet grille with horizontal blades. 21-SV. Single deflection steel sheet grille with vertical blades. Mounting With pressure...

Double deflection grilles 21-D Catalogue Series 20.1 General dimensions Product description Double deflection grille, KOOLAIR, model 20-DH, of dimensions LxH, for supplying air with horizontal and vertical blades, individually adjustable. It can incorporate volume control damper (-O) and fixation accessory to be determined. Finished in anodised aluminium or any RAL colour upon request. Other models 20-DV. Double deflection grille, first blades in vertical position, made in aluminium. 21-DH. Double deflection grille, first blades in horizontal position, made in steel sheet. 21-DV. Double deflection...

Single deflection grille for ducts Catalogue Series 20.1 Selection table Product description Single deflection grille for circular ducts, KOOLAIR, model 21-SVC, of dimensions LxH, for supplying or returning air. It can incorporate volume control dampers (-RFS05/06). Standard finished in steel sheet (-ZN) or any RAL colour upon request. Other models 21-SVR. Single deflection grille for rectangular ducts,. Mounting With screws (-T). The grille is provided with holes for screwing. General dimensions The Selection Table shows a summary of dimensions. Other sizes available. Consult the Sales Department....

Selection table Double deflection grille for ducts Product description Double deflection grille for circular ducts, KOOLAIR, model 21-DVC, of dimensions LxH, for supply and return air. It can incorporate volume control dampers (-RFS05 / 06). Standard finished in steel sheet (-ZN) or any RAL colour upon request. Other models 21-DVR. Double deflection grille for rectangular ducts. Mounting With screws (-T). The grille is provided with holes for screwing. General dimensions The Selection Table shows a summary of dimensions. Other sizes available. Consult the Sales Department. LEGEND Q (m3/h): Air...

Return grille Catalogue Series 20.2 General dimensions Product description Return grille, KOOLAIR, 20-45-H model, of dimensions LxH, for returning air, with horizontal fixed blades at 45°. It can incorporate volume control damper (-O) and fixation accessory to be determined. Finished in anodised aluminium or any RAL colour upon request. Mounting With pressure clips. Mounting frame needed (-MM). Conceled fixing (-SFO). Mounting frame needed (-MM). With screws (-T). Without indication, the grille is provided with holes for screwing the mounting frame. With plenum box made of galvanised steel sheet,...

General dimensions Egg crate grilles for return Selection table Product description Egg crate grille, KOOLAIR, model 22-5, of dimensions LxH, for returning air. It can incorporate volume control damper (-O), fixation accessory to be determined. Finished in anodised aluminium or any RAL colour upon request. Other models Mounting With pressure clips. Mounting frame needed (-MM). Conceled fixing (-SFO). Mounting frame needed (-MM). With screws (-T). Without indication, the grille is provided with holes for screwing the mounting frame. With plenum box made of galvanised steel sheet, side or top entry...

External grilles or return air Catalogue Series 20.2 Selection table Product description Return grille, louvres for exterior air intake or exhaust, KOOLAIR, model 25-H, of dimensions LxH, with horizontal blades fixed at 45°. It can incorporate volume control damper (-O) and anti-insect mesh (-MI). Finished in anodised aluminium or any RAL colour upon request. General dimensions Other models 25-H-SB. Dimensions 595x295 - 595x595, for modular false ceilings. Mounting With pressure clips. Mounting frame needed (-MM). With screws (-T). Without indication, the grille is provided with holes for screwing...

-FF/ General dimensions Dimensions Special filterholder grilles, ceiling application Model Product description Hinged filterholder grilles, specifically for modular ceilings. Standard white (RAL 9010) finish. Can include a plenum with lateral connection. (Not including filter, thickness 13 mm). 27-R-FF. Steel plate grille with circular perforation of 04.8 mm - step 6.35 mm. 22-R-FF. Egg crate grille made of aluminium. Other models 22-I-R-FF. Hinged filterholder egg crate grille with inclined blade pack at 45° made in aluminium. Selection table 27-R-FF Selection table 22-R-FF LEGEND Q (m3/h):...

General dimensions Filterholder grilles Product description Hinged filterholder grilles for special application on both walls and ceilings. Natural anodized aluminum finish (filter not included). Upon enquiry and by special order, the component can be supplied with volume control damper (-O). Other models 20-45-H-RFF. Filterholder grille with fixed horizontal vanes at 45°. 25-H-RFF. Filterholder grille, air intake and exhaust, with fixed horizontal blades at 45°. Selection table Selection table Q (m3/h): Air flow. Lw-dB(A): Sound power level. Pst (Pa): Pressure drop. Values with plenum. Data...