Brochure

400 500 600 700 900 1100 1500 400 500 600 700 900 1100 1500
400 500 600 700 900 1100 1500
.010 .016 .022 .031 .050 .075 .140 .010 .016 .022 .031 .050 .075 .140
.010 .016 .022 .031 .050 .075 .140
CFM 55 65 75 90 120 140 195 CFM 55 65 75 90 120 140 195
CFM 55 65 75 90 120 140 195
Throw 5.0 6.0 7.0 8.0 10.0 12.0 15.0 Throw 2.0 3.0 4.0 5.0 6.0 7.0 9.0
Throw L/S 3.5/2.5 4.0/3.0 5.0/3.5 5.5/4.0 7.0/5.0 9.0/6.0 12.0/9.0
CFM 75 90 105 120 150 180 240 CFM 75 90 105 120 150 180 240
CFM 75 90 105 120 150 180 240
Throw 6.0 7.0 8.0 10.0 12.0 15.0 18.0 Throw 3.0 4.0 5.0 6.0 8.0 10.0 13.0
Throw L/S 4.0/2.0 5.0/2.5 6.0/3.5 7.0/4.0 8.0/4.5 10.0/5.5 12.0/7.0
CFM 115 135 155 175 235 290 395 CFM 11 5 135 155 175 235 290 395
CFM 115 135 155 175 235 290 395
Throw 7.0 8.0 10.0 12.0 15.0 19.0 24.0 Throw 4.0 5.0 6.0 7.0 9.0 12.0 14.0
Throw L/S 5.0/3.0 7.0/4.0 8.0/4.5 10.0/5.5 12.0/7.0 14.0/8.5 18.0/10.5
CFM 170 210 255 300 380 470 610 CFM 170 210 255 300 380 470 610
CFM 170 210 255 300 380 470 610
Throw 8.0 10.0 12.0 15.0 19.0 24.0 29.0 Throw 5.0 6.0 7.0 8.0 10.0 12.0 15.0
Throw L/S 7.0/4.0 8.5/4.5 10.0/5.5 12.0/6.5 15.0/8.5 18.0/10.0 23.0/14.0
CFM 250 305 360 410 505 610 800 CFM 250 305 360 410 505 610 800
CFM 250 305 360 410 505 610 800
Throw 11.0 13.0 15.0 18.0 24.0 30.0 35.0 Throw 6.0 7.0 8.0 9.0 11.0 14.0 18.0
Throw L/S 8.0/5.5 10.0/6.0 11.5/7.0 13.0/7.5 15.5/9.0 20.0/11.0 27.0/16.0
400 500 600 700 900 1100 1500 400 500 600 700 900 1100 1500
.010 .016 .022 .031 .050 .075 .140 .010 .016 .022 .031 .050 .075 .140
CFM 55 65 75 90 120 140 195 CFM 55 65 75 90 120 140 195
Throw 3.0 4.0 5.0 6.0 7.0 9.0 12.0 Throw 3.0 4.0 5.0 6.0 7.0 9.0 12.0
CFM 75 90 105 120 150 180 240 CFM 75 90 105 120 150 180 240
Throw 4.0 5.0 6.0 7.0 9.0 12.0 16.0 Throw 4.0 5.0 6.0 7.0 9.0 12.0 16.0
CFM 115 135 155 175 235 290 395 CFM 11 5 135 155 175 235 290 395
Throw 5.0 6.0 7.0 8.0 10.0 14.0 20.0 Throw 5.0 6.0 7.0 8.0 10.0 14.0 20.0
CFM 170 210 255 300 380 470 610 CFM 170 210 255 300 380 470 610
Throw 6.0 7.0 8.0 10.0 13.0 17.0 23.0 Throw 6.0 7.0 8.0 10.0 13.0 17.0 23.0
CFM 250 305 360 410 505 610 800 CFM 250 305 360 410 505 610 800
Throw 7.0 9.0 11.0 13.0 16.0 19.0 27.0 Throw 7.0 9.0 11.0 13.0 16.0 19.0 27.0
14 x 14
Ak .59
10 x 10
Ak .29
12 x 12
Ak .42
A501MS/A501OB
One-Way Diffuser
A502MS/A502OB
Two-Way Diffuser
A504MS/A504OB
Four-Way Diffuser
A505MS/A505OB
Two-Way Corner Diffuser
12 x 12
Ak .42
14 x 14
Ak .59
14 x 14
Ak .59
8 x 8
Ak .20
12 x 12
Ak .42
6 x 6
Ak .13
8 x 8
Ak .20
6 x 6
Ak .13
8 x 8
Ak .20
10 x 10
Ak .29
12 x 12
Ak .42
14 x 14
Ak .59
A503MS/A503OB
Three-Way Diffuser
Face Velocity
Pressure Loss
6 x 6
Ak .13
8 x 8
Ak .20
10 x 10
Ak .29
12 x 12
Ak .42
14 x 14
Ak .59
10 x 10
Ak .29
Face Velocity
Pressure Loss
6 x 6
Ak .13
8 x 8
Ak .20
10 x 10
Ak .29
Pressure Loss
Face Velocity
Face Velocity
6 x 6
Ak .13
Pressure Loss
Face Velocity
Pressure Loss
1
Engineering Data
A501OB/A501MS 1-Way Diffuser
Face Velocity 400 500 600 700 900 1100 1500
Pressure Loss .010 .016 .022 .031 .050 .075 .140
6x6
Ak .13
cfm
Throw
55
5
65
6
75
7
90
8
120
10
140
12
195
15
8x8
Ak .20
cfm
Throw
75
6
90
7
105
8
120
10
150
12
180
15
240
18
10x10
Ak .29
cfm
Throw
115
7
135
8
155
10
175
12
235
15
290
19
395
24
12x12
Ak .42
cfm
Throw
170
8
210
10
255
12
300
15
380
19
470
24
610
29
14x14
Ak .59
cfm
Throw
250
11
305
13
360
15
410
18
505
24
610
30
800
35
<N
C
2
0
N
C
2
0
-
30
N
C
30
-
35
N
C
35
-4
0
Terminal velocity of FPM
NC Noise criteria rating. NC is based on 10db room absorption (ref. 10
-12
watts).
Tested in accordance with ASHRAE 36-72, ADC 1062: GRD84 and ISO 3741.
400 500 600 700 900 1100 1500 400 500 600 700 900 1100 1500
400 500 600 700 900 1100 1500
.010 .016 .022 .031 .050 .075 .140 .010 .016 .022 .031 .050 .075 .140
.010 .016 .022 .031 .050 .075 .140
CFM 55 65 75 90 120 140 195 CFM 55 65 75 90 120 140 195
CFM 55 65 75 90 120 140 195
Throw 5.0 6.0 7.0 8.0 10.0 12.0 15.0 Throw 2.0 3.0 4.0 5.0 6.0 7.0 9.0
Throw L/S 3.5/2.5 4.0/3.0 5.0/3.5 5.5/4.0 7.0/5.0 9.0/6.0 12.0/9.0
CFM 75 90 105 120 150 180 240 CFM 75 90 105 120 150 180 240
CFM 75 90 105 120 150 180 240
Throw 6.0 7.0 8.0 10.0 12.0 15.0 18.0 Throw 3.0 4.0 5.0 6.0 8.0 10.0 13.0
Throw L/S 4.0/2.0 5.0/2.5 6.0/3.5 7.0/4.0 8.0/4.5 10.0/5.5 12.0/7.0
CFM 115 135 155 175 235 290 395 CFM 11 5 135 155 175 235 290 395
CFM 115 135 155 175 235 290 395
Throw 7.0 8.0 10.0 12.0 15.0 19.0 24.0 Throw 4.0 5.0 6.0 7.0 9.0 12.0 14.0
Throw L/S 5.0/3.0 7.0/4.0 8.0/4.5 10.0/5.5 12.0/7.0 14.0/8.5 18.0/10.5
CFM 170 210 255 300 380 470 610 CFM 170 210 255 300 380 470 610
CFM 170 210 255 300 380 470 610
Throw 8.0 10.0 12.0 15.0 19.0 24.0 29.0 Throw 5.0 6.0 7.0 8.0 10.0 12.0 15.0
Throw L/S 7.0/4.0 8.5/4.5 10.0/5.5 12.0/6.5 15.0/8.5 18.0/10.0 23.0/14.0
CFM 250 305 360 410 505 610 800 CFM 250 305 360 410 505 610 800
CFM 250 305 360 410 505 610 800
Throw 11.0 13.0 15.0 18.0 24.0 30.0 35.0 Throw 6.0 7.0 8.0 9.0 11.0 14.0 18.0
Throw L/S 8.0/5.5 10.0/6.0 11.5/7.0 13.0/7.5 15.5/9.0 20.0/11.0 27.0/16.0
400 500 600 700 900 1100 1500 400 500 600 700 900 1100 1500
.010 .016 .022 .031 .050 .075 .140 .010 .016 .022 .031 .050 .075 .140
CFM 55 65 75 90 120 140 195 CFM 55 65 75 90 120 140 195
Throw 3.0 4.0 5.0 6.0 7.0 9.0 12.0 Throw 3.0 4.0 5.0 6.0 7.0 9.0 12.0
CFM 75 90 105 120 150 180 240 CFM 75 90 105 120 150 180 240
Throw 4.0 5.0 6.0 7.0 9.0 12.0 16.0 Throw 4.0 5.0 6.0 7.0 9.0 12.0 16.0
CFM 115 135 155 175 235 290 395 CFM 11 5 135 155 175 235 290 395
Throw 5.0 6.0 7.0 8.0 10.0 14.0 20.0 Throw 5.0 6.0 7.0 8.0 10.0 14.0 20.0
CFM 170 210 255 300 380 470 610 CFM 170 210 255 300 380 470 610
Throw 6.0 7.0 8.0 10.0 13.0 17.0 23.0 Throw 6.0 7.0 8.0 10.0 13.0 17.0 23.0
CFM 250 305 360 410 505 610 800 CFM 250 305 360 410 505 610 800
Throw 7.0 9.0 11.0 13.0 16.0 19.0 27.0 Throw 7.0 9.0 11.0 13.0 16.0 19.0 27.0
14 x 14
Ak .59
10 x 10
Ak .29
12 x 12
Ak .42
A501MS/A501OB
One-Way Diffuser
A502MS/A502OB
Two-Way Diffuser
A504MS/A504OB
Four-Way Diffuser
A505MS/A505OB
Two-Way Corner Diffuser
12 x 12
Ak .42
14 x 14
Ak .59
14 x 14
Ak .59
8 x 8
Ak .20
12 x 12
Ak .42
6 x 6
Ak .13
8 x 8
Ak .20
6 x 6
Ak .13
8 x 8
Ak .20
10 x 10
Ak .29
12 x 12
Ak .42
14 x 14
Ak .59
A503MS/A503OB
Three-Way Diffuser
Face Velocity
Pressure Loss
6 x 6
Ak .13
8 x 8
Ak .20
10 x 10
Ak .29
12 x 12
Ak .42
14 x 14
Ak .59
10 x 10
Ak .29
Face Velocity
Pressure Loss
6 x 6
Ak .13
8 x 8
Ak .20
10 x 10
Ak .29
Pressure Loss
Face Velocity
Face Velocity
6 x 6
Ak .13
Pressure Loss
Face Velocity
Pressure Loss
SS
L
SS
L
SS
L
SS
L
SS
L
A500 Series (Page 70)
Engineering Data
Engineering Data
110
Recommended Noise Criteria and Face Velocity Ranges are on page 75