floor grilles supply and exhaust air

Publication GRILLES section 1 SEPT 2005 Part E R Aluminium Grilles supply, exhaust and transfer ventilation systems floor grilles supply and exhaust air introduction ordering details type control fixing finish FR / F1B / OB / SC / SAA / 2000 / 100 / 6 width height quantity example: The FR and F type grilles have been designed for floor supply applications experiencing normal foot loadings. The cores incorporate steel rods within the cross tubes and the frames are welded and reinforced across the height with a heavy duty aluminium section to produce a rigid construction. Floor grilles are available in standard heights ranging from 75mm up to 300mm and in single section lengths up to 3m, depending on the height. Heights greater than 300mm can be supplied, but additional structural supports should be provided by the installer to maintain rigidity. The cores are supplied as lay-in items to provide easy access for cleaning. A tile replacement floor grille is also available to suit most raised floor tile systems. Details are available on request. control sizes finish options type fixings FR / FB - F / FB For all additional available options, border styles, fixings, finishes and plenums see document PART L Standard finish is satin anodised aluminium - SAA Opposed blade volume control damper - OB F and FR type grilles are designed for lay-in installation, but a range of optional fixing methods are also available as detailed in PART L Supply and exhaust air FLOOR GRILLES 2 80 H + 54 20 5 32 FR/F1B FR/F15B/OB H -16 H = Nominal Opening 12.7 6 and Grille Size 35 H +32 H = Nominal Opening and Grille Size 5 25 41 86 Flanged Frame 0O Blade Profile Flanged Frame 15O Blade Profile F/F1B F/F15B/OB Recessed Frame 0O Blade Profile Recessed Frame 15O Blade Profile Maximun Section length up to 3000mm Depending on Height Nominal Opening Width and Grille Width DIMENSIONS Supply and exhaust air R 3 introduction ordering details type control fixing finish CRFG/F1B / OB / SC / SAA / 599 / 599 / 6 width height quantity example: The CRFG is a medium duty tile replacement panel floor grille, designed to withstand a medium loading and or foot traffic. Ideal for use in most computer room environments, public areas or general office premises. The CRFG is suitable for use with either supply or extract systems and may be fitted with an optional opposed blade damper. Floor grilles are available as a 599mm x 599mm tile to intergrate with most manufacturers standard tile size, other sizes are available on request. control sizes finish options type fixings CRFG For all additional available options, border styles, fixings, finishes and plenums see document PART L Standard finish is satin anodised aluminium - SAA Optional finishes include Mill and Nylon Coated. Opposed blade volume control damper - OB CRFG type grilles are designed for lay-in installation. The CRFG has been tested to PSA MOB PF2 PS/SPU March 1992 British / European specification. Supply and exhaust air COMPUTER ROOM FLOOR GRILLES 4 CRFG - F1B/OB Packing to suit Tile Depth 12.7 6 125mm Maximum Pedestal Head Diameter 100 52 27 Min 12 Opposed Blade Damper (OB) Overall Grille Height 599mm Overall Grille Length 599mm DIMENSIONS Supply and exhaust air R 5 0.01 0.02 0.03 0.05 0.1 0.3 0.15 20 15 8 6 5 4 10 100 50 20 10 5 50 40 30 20 3 10 6 4 3 2 2 8 5 EX. SUP. PIVOT LINE AIR FLOW RATE l/s 1100 900 800 600 500 400 300 250 200 700 100 50 1000 150 75 100 125 150 250 300 400 500 600 200 GRILLE FACE VELOCITY (m/s) NR LEVEL THROW (m) Vt = 0.25 m/s STATIC PRESSURE LOSS (Pa) 60 40 30 70 80 90 2 0.2 0.04 0.75 NOMINAL GRILLE HEIGHT (mm) FREE AREA m2/m LENGTH 100 50 20 10 5 SUP. EX. REPLACEMENT CRFG VOLUME ls 150 1.2 25 5 JET VELOCITY ms NOISE NR PRESSURE DROP Pa 200 1.6 27 7 250 2.

For more information on floor grilles supply and exhaust air talk to Brooke Air Sales