products
Manufactured from aluminium sheets in one piece.
(No joints / gaps at corners)
Easily removable Interbnal Assembly for cleaning or servicing, if necessary
Negligible resistance to air flow.
Available as Supply and Return Diffuser.
(With or Without Opossed Blade Damper)
Less dirt accumulation. (With anti-smudge outer frame)
Powder coated in attractive colours


Std. Size mm
A mm
C mm
D mm
E mm
F mm
150 X 150
140
270
44
145
83
225 X 225
215
345
44
220
83
300 X 300
290
420
44
295
83
375 X 375
365
495
44
370
83
450 X 450
440
570
44
445
83

Technical Data ( Tested by ETL Semko - USA )
Standard Size mm/inch Area factor Ak NeckArea (sq.ft)
Neck Velocity (fpm) 200 250 300 350 400 500 600 700 800
Velocity Pressure
(in w.g)		 .003 .004 .006 .008 .010 .016 .023 .031 .040
150X150
6X6		 Ak=
0.118
0.242
CFM
Pt (in w.g.)
Throw (ft.)
NC 		48
0.010
3-6
<15 		60
0.015
4-7
<15 		72
0.022
5-8
<15 		84
0.030
6-10
<15 		96
0.039
7-11
15 		120
0.061
8-12
18 		144
0.088
9-13
21 		168
0.120
10-15
26 		192
0.156
11-16
30
CFM
Pt(in w.g.)
Throw (ft.)
NC 		109
0.012
5-9
<15 		136
0.018
6-10
<15 		164
0.026
7-11
<15 		191
0.035
8-13
15 		218
0.046
9-14
17 		273
0.072
11-15
23 		327
0.104
12-17
27 		382
0.141
14-18
30 		436
0.184
15-19
35
CFM
Pt(in w.g.)
Throw (ft.)
NC 		194
0.013
7-10
<15 		242
0.021
8-11
<15 		291
0.030
9-12
<15 		339
0.041
10-14
16 		388
0.053
11-16
20 		485
0.083
13-18
27 		581
0.120
14-19
31 		678
0.163
15-20
34 		775
0.212
16-21
38
CFM
Pt(in w.g.)
Throw (ft.)
NC 		302
0.014
9-12
<15 		378
0.022
10-13
<15 		453
0.032
11-14
15 		529
0.043
12-16
18 		604
0.056
13-18
23 		755
0.088
15-20
31 		906
0.127
16-22
35 		1057
0.172
17-23
39 		1208
0.225
18-24
42
CFM
Pt(in w.g.)
Throw (ft.)
NC 		436
0.015
11-14
<15 		545
0.023
12-15
<15 		654
0.033
13-16
17 		763
0.046
15-19
21 		872
0.060
16-21
26 		1090
0.093
18-23
32 		1308
0.134
19-24
36 		1526
0.182
20-25
40 		1744
0.238
21-27
44
225X225
9X9		 Ak=
0.231
0.545
300X300
12X12		 Ak=
0.407
0.969
375X375
15X15		 Ak=
0.590
1.51
450X450
18X18		 Ak=
0.838
2.18



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