fixed blade exhaust air

Publication GRILLES section 1 SEPT 2005 Part C R Aluminium Grilles supply, exhaust and transfer ventilation systems fixed blade exhaust air introduction ordering details type control borders fixing finish R1H / OB / 32 / SC / SAA /1000/ 300 / 6 width height quantity example: The R type fixed blade return air grilles offer a range of blade formats to meet architectural requirements and complement Brooke Air supply terminals. All core types are optionally available as removable items for ease of access and cleaning. Alternatively, the cores can be supplied without frames. R type grilles can be supplied in sizes ranging from 150mm x 100mm up to 3000mm x 600 mm. Widths greater than 3000mm can be supplied in modular sections. control sizes finish For all additional available options, border styles, fixings, finishes and plenums see document PART L options Standard finish is satin anodised aluminium - SAA type fixings Opposed blade volume control damper - OB R Standard fixing method is by countersunk screw through the flange - SC Preferred secret fixing method by removable core - RC Safety cords can be fitted - S Cord Fixed exhaust air FIXED BLADE GRILLES 2 80 Nom Size +45 32 5 Nom Size -19 32 R1H/OB R1H R15H R15H/OB Nom Duct and Grille Size 0O Blade Profile R1H R1V 19 R40H R40H/OB R45H R45H/OB 15O Blade Profile 40O Blade Profile 45O Blade Profile R15H R15V R40H R40V R45H R45V DIMENSIONS Fixed exhaust air R 3 AIR FLOW RATE NOMINAL WIDTH (mm) NOMINAL HEIGHT (mm) PIVOT LINE GRILLE FACE VELOCITY (m/s) NR LEVEL TYPES: R1 AND R15 ADD 5 FOR R40 / R45 STATIC RESSURE LOSS (Pa) l/s m3/hr 150 100 30 20 10 5 50 100 50 30 20 10 5 50 40 60 30 20 2 200 300 400 150 500 600 800 1000 100 200 400 300 150 1200 2000 1000 900 800 600 500 400 300 250 200 700 100 6000 5000 4000 3000 2000 1000 900 800 700 600 500 400 50 300 200 500 600 15 10 6 4 3 2 1500 150 1500 7000 2 150 8 1 5 EFFECTIVE FREE AREA m2 R1 R40 R15 R45 R1 R40 R15 R45 0.008 0.02 0.03 0.04 0.06 0.08 0.1 0.2 0.3 0.4 0.05 0.6 0.01 0.5 0.01 0.02 0.03 0.05 0.1 0.3 0.2 0.005 PIVOT LINE SELECTION NOMOGRAM Fixed exhaust air 4 600mm x 200mm RETURN AIR GRILLE PASSING AN AIR FLOW RATE OF 400 l/s SELECTION EXAMPLE GRILLE TYPE FREE AREA (m2) NR Ps (Pa) R1H/R15H 0.09 34 16 R40H/R45H 0.035 39 40 Acoustic data is presented in terms of NR levels based on a room absorbtion factor of 8dB. NOTE: Grille Face Velocity measured 50mm in front of grille face. example BASIS OF DATA Fixed exhaust air R 5 introduction ordering details type control borders fixing finish ESC / OB / 32 / SC / SAA / 600 / 300 / 6 width height quantity example: In addition to the R type return air grilles, Brooke Air offer a range of exhaust air terminals with decorative core facings of either eggcrate, expanded aluminium mesh, or perforated steel. Perforated types are manufactured as standard with a 4.5mm diameter hole format having a 45% free area, but a wide variety of decorative hole formats are also available with varying free areas. Exhaust air grilles are available in sizes ranging from 100 mm x 100 mm to a maximum of 1200 mm x 1200 mm, depending on the core type. Larger sizes can however be supplied in modular sections. The perforated and eggcrate versions are available with removable cores for ease of access and cleaning. control sizes finish For all additional available options, border styles, fixings, finishes and plenums see document PART L options Standard finish is satin anodised aluminium - SAA type fixings Opposed blade volume control damper - OB E5C - EXP - PER Standard fixing method is by countersunk screw through the flange - SC Preferred secret fixing method by removable core - RC Safety cords can be fitted - S Cord MESH GRILLES Fixed exhaust air 6 73 Nom Size +45 25 5 Nom S

For more information on fixed blade exhaust air talk to Brooke Air Sales