Door Grilles
air master
Chapter 5
INDEX
A. Door grilles.
1. Door grille with single frame.........: ADG1..........5.1
2. Door grille with doubel frame........: ADG2..........5.2
• Standard sizes.............................................5.3
• Fixing details...............................................5.3
• How to order ...............................................5.3
B. Air flow data.
1. Door grilles ADG1 & ADG2 ...........: Tabel 5.1......5.4
Copyright reserved. Specifications subject to change without notice.
ISO 9002 certified company
Door Grilles
air master Door grille with single frame
Model: ADG-1
Construction:
• Frame: High quality extruded aluminium profiles
with 30 mm flange width as standard.12, 16, 24
mm flange widths are optional.
• Blades: High quality extruded aluminium profiles.
• Blade pitch: 15mm
Description:
• Frame and blades are of high quality extruded
aluminium profiled construction with the advan-
tages of corrosion resistance and rigidity.
• Inverted “V” type horizontal blades are fixed
rigidly to the frame. • Grilles are made to with stand heavy use to
which door grilles are subjected.
• Blades are spaced at a distance of 15 mm.
• Frame is fabricated to suit door thickness of 30
mm to 60 mm.
• Structure provides around 55% free area for air
transmission.
• Used in facilities such as offices, hospitals,
schools and toilets for transfer of air from one
room to another room.
• Fire rated door grilles are available with 1/2 and
1 hour fire rating with additional cost.
Standard finishes:
• Natural aluminium anodized finish.
• Powder coated colour finish as per RAL colour
codes.
• Flexibility of finish is available.
Copyright reserved. Specifications subject to change without notice.
5.1
ISO 9002 certified company
Door Grilles
air master Door grille with double frame
Model: ADG-2
Construction:
• Frame: High quality extruded aluminium profiles with
30 mm flange width as standard.12, 16, 24 mm flange
widths are optional.
• Blades: High quality extruded aluminium profiles.
• Blade pitch: 15mm.
Description:
• Frame and blades are of high quality extruded alu-
minium profiled construction with the advantages of
corrosion resistance and rigidity.
• Inverted “V” type horizontal blades are fixed rigidly to
the frame to avoid vibration and corrosion.
• Made to with stand heavy use to which door grilles are
• Blades are spaced at a distance of 15 mm. subjected.
• Provided with a counter frame for fixing on both sides • Frame is fabricated to suit door thickness of
of the door. 30 mm to 60 mm.
• Structure provides around 55% free area for air trans-
mission.
• Used in facilities such as offices, hospitals, schools
and toiles for transfer of air from one room to another
room.
• Fire rated door grilles are available with 1/2 and
1 hour fire rating with additional cost.
Standard finishes:
• Natural aluminium anodized finish.
• Powder coated colour finish as per RAL colour codes.
• Flexibility of finish is available.
Copyright reserved. Specifications subject to change without notice.
5.2
ISO 9002 certified company
Door Grilles
air master
Standard Sizes:
• Available in square and rectangular sizes.
• Non standard sizes are available as option.
Width in mm 150 200 250 300 350 400 450 500
Height in mm 150 200 250 300 350 400 450 500
Fixing details:
• Screw fixing from flange to door.
How to order:
Model Size Quantity Finish
A = Natural aluminium andoized finish.
ADG1 Specify
door opening size Specify in numbers
B = RAL 9010.
Width x height
ADG2 In mm x mm C = Other RAL colours
Ordering example:
1. To select door grille with double frame of size 400 x 400 of quantity 75 nos. with natural aluminium
anodized finish.
Order as : ADG2-400 x 400 – 75 – A.
Copyright reserved. Specifications subject to change without notice.
5.3
ISO 9002 certified company
Door Grilles
air master Door grilles
Model: ADG1 / ADG2
Table 5.1 Air flow data
Face velocity in m/sec.
1.5 1.75 2 2.25 2.5 3 3.5 4
Area
Listed sizes
factor Static pressure loss in mm of H2O.
In mm x mm
in m2.
0.609 0.81 1.07 1.35 1.65 2.39 3.25 4.27
Air flow in m3 / sec.
300 x 150 0.026 0.039 0.046 0.052 0.059 0.065 0.078 0.091 0.104
400 x 150 / 300 x 200 0.0344 0.052 0.06 0.069 0.077 0.086 0.103 0.12 0.138
500 x 150 0.0428 0.064 0.075 0.086 0.096 0.107 0.128 0.15 0.171
300 x 250 / 400 x 200 0.0455 0.068 0.08 0.091 0.102 0.114 0.137 0.159 0.182
600 x 150
400 x 250 / 750 x 150 0.049 0.074 0.086 0.098 0.110 0.123 0.147 0.172 0.196
500 x 200 / 300 x 300
350 x 350 / 600 x 200 0.067 0.1 0.117 0.134 0.151 0.168 0.201 0.235 0.268
400 x 300 / 500 x 250
450 x 350 / 600 x 250 0.0837 0.126 0.146 0.167 0.188 0.209 0.251 0.293 0.335
500 x 300 / 750 x 200
500 x 350 / 750 x 250 0.10 0.15 0.175 0.2 0.225 0.25 0.3 0.35 0.4
600 x 300
500 x 400 / 450 x 450 0.11 0.165 0.193 0.22 0.248 0.275 0.33 0.385 0.44
600 x 350 0.115 0.173 0.201 0.23 0.259 0.288 0.345 0.403 0.46
500 x 450 / 750 x 300 0.125 0.188 0.219 0.25 0.281 0.313 0.375 0.438 0.50
600 x 400
750 x 350 / 600 x 450 0.149 0.224 0.261 0.298 0.335 0.373 0.447 0.522 0.596
750 x 450 0.175 0.263 0.306 0.35 0.394 0.438 0.525 0.613 0.7
600 x 600 0.199 0.299 0.348 0.398 0.448 0.498 0.597 0.697 0.796
700 x 600 / 750 x 550 0.23 0.345 0.403 0.46 0.518 0.575 0.69 0.805 0.92
Copyright reserved. Specifications subject to change without notice.
5.4
ISO 9002 certified company
