Brochure
TG, TGF Transfer Grilles (Page 27)
200 300 400 500 600 700 800
CFM 90 130 180 220 265 310 350
Ps .08 .17 .30 .47 .68 .93 1.20
CFM 110 165 220 275 330 385 440
Ps .07 .16 .30 .46 .65 .90 1.20
CFM 130 190 255 320 385 450 510
Ps .07 .16 .29 .45 .64 .88 1.10
CFM 150 220 295 370 445 520 590
Ps .07 .16 .28 .44 .63 .87 1.10
CFM 155 235 310 390 470 545 625
Ps .07 .16 .28 .44 .62 .86 1.10
CFM 185 280 370 465 560 650 745
Ps .07 .15 .27 .43 .61 .84 1.10
CFM 225 335 450 560 670 785 895
Ps .07 .15 .26 .42 .60 .82 1.10
CFM 240 360 475 595 715 835 950
Ps .07 .15 .26 .41 .59 .81 1.10
CFM 265 400 530 665 800 930 1065
Ps .07 .15 .26 .41 .58 .88 1.00
CFM 290 440 585 730 875 1020 1170
Ps .06 .15 .26 .40 .58 .79 1.00
CFM 310 460 615 770 925 1080 1230
Ps .06 .14 .25 .40 .57 .78 1.00
CFM 350 525 700 875 1050 1225 1400
Ps .06 .14 .25 .39 .56 .77 1.00
CFM 390 585 780 975 1170 1365 1560
Ps .06 .14 .25 .39 .55 .76 .99
CFM 435 650 870 1085 1300 1520 1740
Ps .06 .14 .25 .38 .54 .75 .98
CFM 485 730 970 1210 1450 1690 1940
Ps .06 .14 .24 .38 .54 .74 .97
CFM 510 765 1020 1275 1530 1785 2040
Ps .06 .14 .24 .37 .53 .73 .96
CFM 650 970 1290 1620 1940 2260 2580
Ps .06 .13 .23 .36 .51 .71 .93
CFM 680 1020 1360 1700 2040 2380 2720
Ps .06 .13 .23 .36 .51 .70 .92
CFM 840 1250 1670 2090 2510 2930 3340
Ps .06 .13 .22 .35 .50 .68 .89
CFM 1030 1550 2060 2580 3090 3610 4120
Ps .05 .12 .22 .34 .48 .66 .86
*Velocity measured 1" from face.
Face Velocity*
8 x 8
Ak .440
14 x 6
Ak .550
12 x 8
Ak .640
16 x 12
Ak 1.190
18 x 12
Ak 1.330
20 x 12
Ak 1.460
16 x 16
Ak 1.540
14 x 8
Ak .740
20 x 6
Ak .780
12 x 12
Ak .930
30 x 6
Ak 1.120
24 x 12
Ak 1.750
30 x 30
Ak 5.150
18 x 18
Ak 1.950
30 x 12
Ak 2.170
20 x 20
Ak 2.420
24 x 18
Ak 2.550
30 x 18
Ak 3.230
24 x 24
Ak 3.400
30 x 24
Ak 4.180
20 Round Diffuser (Page 28)
500 600 700 800 900 1000 1200 1400 1600 1800
CFM 80 95 110 130 145 160 190 225 255 290
Ps <.010 <.010 <.010 .014 .016 .020 .027 .038 .049 .062
Throw 2.0 2.5 3 3.5 4.5 5.0 6.0 7.0 8.0 9.0
CFM 140 170 195 225 250 280 335 390 450 505
Ps <.010 <.010 <.010 .013 .016 .020 .028 .038 .050 .063
Throw 3.5 4.0 4.5 5.0 5.5 6.5 7.5 9.0 10.5 12.0
CFM 220 265 310 350 395 440 530 615 705 790
Ps <.010 <.010 .010 .013 .016 .020 .029 .041 .051 .065
Throw 4.0 4.5 5.0 6.0 7.0 8.0 9.0 11.0 13.0 14.0
CFM 330 395 460 530 595 660 790 925 1025 1190
Ps <.010 <.010 .010 .013 .017 .021 .029 .040 .050 .063
Throw 5.0 6.0 7.0 8.0 9.0 10.0 12.0 14.0 16.0 18.0
CFM 455 545 640 730 820 910 1090 1275 1455 1640
Ps <.010 <.010 .011 .014 .017 .021 .030 .040 .053 .067
Throw 6.0 7.0 8.0 9.0 10.5 12.0 14.0 16.0 18.0 21.0
CFM 600 720 840 960 1080 1200 1440 1680 1920 2160
Ps <.010 <.010 .010 .013 .016 .020 .028 .039 .050 .063
Throw 7.0 8.0 9.0 10.5 12.0 13.5 16.0 19.0 22.0 24.0
CFM 750 900 1050 1200 1350 1500 1800 2100 2400 2700
Ps <.010 <.010 .010 .013 .017 .021 .030 .040 .052 .062
Throw 8.0 9.0 10.0 12.0 13.5 15.0 18.0 21.0 24.0 27.0
Face Velocity
6"
Ak .160
8"
Ak .280
18"
Ak 1.500
10"
Ak .440
12"
Ak .660
14"
Ak .910
16"
Ak 1.200
Face Velocity
500
600
700
800
900
1000
1200
1400
1600
1800
6”
Ak .16
c
fm
P
s
Throw
8
0
<
.01
2
9
5
<
.01
2.5
1
10
<
.01
3
1
30
.
014
3.5
1
45
.
016
4.5
1
60
.
020
5
1
90
.
027
6
2
25
.
038
7
2
55
.
049
8
2
90
.
062
9
8”
A
k .28
cfm
Ps
T
hrow
140
<.01
3
.5
170
<.01
4
195
<.01
4
.5
225
.013
5
250
.016
5
.5
280
.020
6
.5
335
.028
7
.5
390
.038
9
450
.050
1
0.5
505
.063
1
2
1
0”
Ak .44
cfm
Ps
Throw
220
<.01
4
265
<.01
4.5
310
.010
5
350
.013
6
395
.016
7
440
.020
8
530
.029
9
615
.041
11
705
.051
13
790
.065
14
12”
A
k .66
cfm
Ps
Throw
330
<.01
5
395
<.01
6
460
.010
7
530
.013
8
595
.017
9
660
.021
10
790
.029
12
925
.040
14
1025
.050
16
1190
.063
18
14”
A
k .91
cfm
Ps
T
hrow
455
<.01
6
545
<.01
7
640
.011
8
730
.014
9
820
.017
1
0.5
910
.021
1
2
1090
.030
1
4
1275
.040
1
6
1455
.053
1
8
1640
.067
2
1
1
6”
Ak 1.20
cfm
Ps
Throw
600
<.01
7
720
<.01
8
840
.010
9
960
.013
10.5
1080
.016
12
1200
.020
13.5
1440
.028
16
1680
.039
19
1920
.050
22
2160
.063
24
18”
A
k 1.50
c
fm
Ps
Throw
7
50
<.01
8
9
00
<.01
9
1
050
.010
10
1
200
.013
12
1
350
.017
13.5
1
500
.021
15
1
800
.030
18
2
100
.040
21
2
400
.052
24
2
700
.062
27
NC<35 NC>35
NOTE: The use of a balancing hood is recommended to balance the system.
Ak = Effective Area in square feet
Ps = Static Pressure Loss in inches of water
NC = Noise Criteria, based on a 10dB room attenuation (Re: 10
-12
watts) ASHRAE 36-72.
Terminal Velocity of 100 fpm
Product tested with core in “out” position.
When diffusers are used on an exposed duct, multiply throw by 0.7
NC <30 NC >35
Recommended Noise Criteria and Face Velocity Ranges are on page 75
86
Engineering Data
Engineering Data
24 Square Ceiling Diffuser (Page 29)
300 400 500 600 700 800 900 1000
.006 .010 .016 .022 .031 .040 .050 .062
CFM 50 65 85 100 115 130 150 165
Throw 3.5 4.5 5.5 6.5 8.0 9.0 10.0 11.0
CFM 85 110 140 170 195 225 250 280
Throw 4.5 5.5 7.0 8.5 10.0 11.0 12.0 14.0
CFM 125 170 210 250 295 335 380 420
Throw 5.0 6.5 8.0 9.5 11.5 13.0 15.0 16.0
CFM 180 240 300 355 415 475 535 595
Throw 6.0 8.0 10.0 11.5 13.5 15.5 17.5 19.0
CFM 245 330 410 490 575 655 740 820
Throw 7.0 9.0 11.5 13.5 16.0 18.0 20.0 22.5
CFM 310 410 515 620 720 825 925 1030
Throw 7.5 10.0 12.5 15.0 18.0 20.0 22.0 25.0
CFM 400 530 665 800 930 1065 1200 1330
Throw 8.5 11.0 14.0 17.0 20.0 23.0 26.0 28.0
CFM 480 640 800 960 1120 1280 1440 1600
Throw 9.5 12.0 16.0 18.0 22.0 25.0 28.0 31.0
CFM 570 760 950 1140 1330 1520 1710 1900
Throw 10.5 13.5 17.0 19.0 24.0 27.0 30.0 33.0
CFM 690 920 1150 1380 1610 1840 2070 2300
Throw 11.0 14.5 18.5 22.0 26.0 30.0 33.0 36.0
Terminal Velocity of 50 FPM
3
Face Velocity
Neck Size 6"
Ak .165
Neck Size 8"
Ak .280
Neck Size 24"
Ak 2.300
Pressure Loss
Neck Size 10"
Ak .420
Neck Size 12"
Ak .595
Neck Size 14"
Ak .820
Neck Size 16"
Ak 1.030
Neck Size 18"
Ak 1.330
Neck Size 20"
Ak 1.600
Neck Size 22"
Ak 1.900