Engineering Bulletin

681 One-Way Sidewall/Ceiling Register
(Page 20)
681M One-Way Sidewall/Ceiling Register
(Page 20)
300 400 500 600 700 800 900 1000
.006 .010 .016 .022 .031 .040 .050 .062
8 x 6 CFM 40 55 70 90 100 110 125 140
Ak .140 Throw 5.0 6.0 8.0 9.0 11.0 12.0 14.0 15.0
10 x 6 CFM 55 80 95 110 130 150 165 185
Ak .185 Throw 5.0 7.0 10.0 11.0 13.0 14.0 16.0 18.0
12 x 6 CFM 70 90 115 135 160 180 205 225
Ak .225 Throw 6.0 8.0 12.0 12.0 14.0 16.0 18.0 20.0
14 x 6 CFM 85 115 145 175 205 230 260 290
Ak .290 Throw 7.0 9.0 16.0 14.0 17.0 19.0 21.0 24.0
16 x 6 CFM 100 130 165 200 230 265 295 330
Ak .330 Throw 8.0 10.0 18.0 15.0 18.0 20.0 23.0 25.0
18 x 6 CFM 115 155 195 235 275 310 350 390
Ak .390 Throw 8.0 11.0 21.0 17.0 20.0 22.0 25.0 28.0
20 x 6 CFM 130 175 220 265 310 360 395 440
Ak .440 Throw 5.0 12.0 24.0 18.0 21.0 24.0 27.0 30.0
Terminal Velocity of 75 FPM
300 400 500 600 700 800 900 1000
.006 .010 .016 .022 .031 .040 .050 .062
8 x 4 CFM 25 35 45 55 65 70 80 90
Ak .090 Throw 2.0 3.5 4.5 5.5 6.5 7.0 8.0 9.0
6 x 6 CFM 30 40 50 65 75 85 95 105
Ak .105 Throw 3.0 3.5 4.5 6.0 7.0 8.0 9.0 10.0
10 x 4 CFM 35 45 60 70 80 90 105 115
Ak .115 Throw 3.0 4.0 5.0 6.0 7.0 8.0 9.0 10.0
12 x 4 CFM 40 55 70 85 100 110 125 140
Ak .140 Throw 3.5 4.5 5.5 6.5 8.0 9.0 10.0 11.5
10 x 6 CFM 55 75 95 110 130 150 165 185
Ak .185 Throw 4.0 5.0 6.5 8.0 9.0 10.5 12.0 13.0
8 x 8 CFM 60 80 100 120 140 160 180 200
Ak .200 Throw 4.0 5.5 7.0 8.0 9.5 11.0 12.5 13.5
12 x 6 CFM 70 90 115 135 160 180 205 225
Ak .225 Throw 4.5 6.0 7.5 8.5 10.5 12.0 13.0 14.5
14 x 6 CFM 85 115 145 175 205 230 260 290
Ak .290 Throw 5.0 6.5 8.5 10.0 11.5 13.5 15.0 17.0
10 x 10 CFM 95 125 155 185 215 250 280 310
Ak .310 Throw 5.0 7.0 8.5 10.0 12.0 14.0 15.5 17.0
12 x 8 CFM 95 130 160 190 225 255 290 320
Ak .320 Throw 5.5 7.0 9.0 10.5 12.5 14.0 16.0 18.0
14 x 8 CFM 115 155 195 235 275 310 350 390
Ak .390 Throw 6.0 8.0 10.0 12.0 14.0 16.0 18.0 20.0
12 x 12 CFM 140 190 235 280 330
375 425 470
Ak .470 Throw 6.5 8.5 10.5 12.5 15.0 17.0 19.0 21.0
Terminal Velocity of 75 FPM
Face Velocity
Pressure Loss
Face Velocity
Pressure Loss
682 Two-Way Sidewall/Ceiling Register
(Page 21)
682M Two-Way Sidewall/Ceiling Register
(Page 21)
300 400 500 600 700 800 900 1000
.006 .010 .016 .022 .031 .040 .050 .062
8 x 6 CFM 40 55 70 90 100 110 125 140
Ak .140 Throw 5.0 6.0 8.0 9.0 11.0 12.0 14.0 15.0
10 x 6 CFM 55 80 95 110 130 150 165 185
Ak .185 Throw 5.0 7.0 10.0 11.0 13.0 14.0 16.0 18.0
12 x 6 CFM 70 90 115 135 160 180 205 225
Ak .225 Throw 6.0 8.0 12.0 12.0 14.0 16.0 18.0 20.0
14 x 6 CFM 85 115 145 175 205 230 260 290
Ak .290 Throw 7.0 9.0 16.0 14.0 17.0 19.0 21.0 24.0
16 x 6 CFM 100 130 165 200 230 265 295 330
Ak .330 Throw 8.0 10.0 18.0 15.0 18.0 20.0 23.0 25.0
18 x 6 CFM 115 155 195 235 275 310 350 390
Ak .390 Throw 8.0 11.0 21.0 17.0 20.0 22.0 25.0 28.0
20 x 6 CFM 130 175 220 265 310 360 395 440
Ak .440 Throw 5.0 12.0 24.0 18.0 21.0 24.0 27.0 30.0
Terminal Velocity of 75 FPM
300 400 500 600 700 800 900 1000
.006 .010 .016 .022 .031 .040 .050 .062
8 x 4 CFM 25 35 45 55 65 70 80 90
Ak .090 Throw 2.0 3.5 4.5 5.5 6.5 7.0 8.0 9.0
6 x 6 CFM 30 40 50 65 75 85 95 105
Ak .105 Throw 3.0 3.5 4.5 6.0 7.0 8.0 9.0 10.0
10 x 4 CFM 35 45 60 70 80 90 105 115
Ak .115 Throw 3.0 4.0 5.0 6.0 7.0 8.0 9.0 10.0
12 x 4 CFM 40 55 70 85 100 110 125 140
Ak .140 Throw 3.5 4.5 5.5 6.5 8.0 9.0 10.0 11.5
10 x 6 CFM 55 75 95 110 130 150 165 185
Ak .185 Throw 4.0 5.0 6.5 8.0 9.0 10.5 12.0 13.0
8 x 8 CFM 60 80 100 120 140 160 180 200
Ak .200 Throw 4.0 5.5 7.0 8.0 9.5 11.0 12.5 13.5
12 x 6 CFM 70 90 115 135 160 180 205 225
Ak .225 Throw 4.5 6.0 7.5 8.5 10.5 12.0 13.0 14.5
14 x 6 CFM 85 115 145 175 205 230 260 290
Ak .290 Throw 5.0 6.5 8.5 10.0 11.5 13.5 15.0 17.0
10 x 10 CFM 95 125 155 185 215 250 280 310
Ak .310 Throw 5.0 7.0 8.5 10.0 12.0 14.0 15.5 17.0
12 x 8 CFM 95 130 160 190 225 255 290 320
Ak .320 Throw 5.5 7.0 9.0 10.5 12.5 14.0 16.0 18.0
14 x 8 CFM 115 155 195 235 275 310 350 390
Ak .390 Throw 6.0 8.0 10.0 12.0 14.0 16.0 18.0 20.0
12 x 12 CFM 140 190 235 280 330
375 425 470
Ak .470 Throw 6.5 8.5 10.5 12.5 15.0 17.0 19.0 21.0
Terminal Velocity of 75 FPM
Face Velocity
Pressure Loss
Face Velocity
Pressure Loss
683 Three-Way Sidewall/Ceiling Register
(Page 21)
683M Three-Way Sidewall/Ceiling Register
(Page 21)
300 400 500 600 700 800 900 1000
.006 .010 .016 .022 .031 .040 .050 .062
Total CFM 25 35 45 55 65 70 80 90
CFM L/S 13/6 17/9 24/11 29/13 34/16 37/17 42/19 48/22
Throw L/S 3.0/2.5 4.0/3.0 5.0/3.5 6.0/4.0 7.0/5.0 7.5/5.5 8.5/6.0 10.0/6.5
Total CFM 30 40 50 65 75 85 95 105
CFM L/S 10/10 13/14 16/17 21/22 24/26 27/29 30/32 34/36
Throw L/S 3.0/3.0 3.5/3.5 4.0/4.0 5.5/5.5 6.0/6.0 7.0/7.0 8.0/8.0 9.0/9.0
Total CFM 35 45 60 70 80 90 105 115
CFM L/S 21/7 29/8 38/11 45/13 51/14 58/16 67/19 74/21
Throw L/S 4.0/2.0 5.0/2.5 6.0/3.5 7.5/4.0 8.5/4.5 9.5/5.0 11.0/6.0 12.0/6.5
Total CFM 40 55 70 85 100 110 125 140
CFM L/S 21/10 29/13 36/17 44/20 52/24 57/26 65/30 73/34
Throw L/S 3.5/2.5 5.0/3.0 6.0/4.0 7.5/5.0 8.5/5.5 9.5/6.0 10.5/7.0 12.0/8.0
Total CFM 55 75 95 110 130 150 165 185
CFM L/S 35/10 48/14 61/17 70/20 83/23 96/27 106/30 118/33
Throw L/S 4.5/2.5 6.5/3.5 8.0/4.0 9.0/5.0 11.0/5.5 12.5/6.5 14.0/7.5 15.5/8.0
Total CFM 60 80 100 120 140 160 180 200
CFM L/S 31/14 42/19 52/24 62/29 73/34 83/38 94/43 104/48
Throw L/S 4.5/3.0 6.0/4.0 7.5/5.0 8.5/6.0 10.5/7.0 11.5/8.0 13.0/9.0 14.5/10.0
Total CFM 70 90 115 135 160 180 205 225
CFM L/S 36/17 47/22 60/28 70/32 83/38 94/43 107/49 117/54
Throw L/S 4.5/3.5 6.0/4.0 8.0/5.5 9.0/6.0 11.0/7.5 12.5/8.0 14.0/6.5 15.5/10.5
Total CFM 85 115 145 175 205 230 260 290
CFM L/S 51/17 69/23 87/29 105/35 123/41 138/46 156/52 174/58
Throw L/S 5.5/3.5 7.5/4.5 10.0/5.5 12.0/6.5 14.0/8.0 15.5/9.0 18.0/10.0 20.0/11.0
Total CFM 95 125 155 185 215 250 280 310
CFM L/S 61/17 80/23 99/28 118/33 138/39 160/45 179/50 198/56
Throw L/S 6.0/3.5 8.0/4.5 10.0/5.5 12.0/6.5 14.0/7.5 16.5/9.0 18.0/9.5 20.0/10.5
Total CFM 95 130 160 190 225 255 290 320
CFM L/S 49/23 68/31 83/38 99/46 117/54 133/61 151/70 166/77
Throw L/S 5.5/4.0 7.5/5.0 9.5/6.0 11.0/7.5 13.0/9.0 15.0/10.0 17.0/11.5 19.0/12.5
Total CFM 115 155 195 235 275 310 350 390
CFM L/S 69/23 93/31 117/39 141/47 165/55 186/62 210/70 234/78
Throw L/S 6.5/4.0 9.0/5.0 11.0/6.0 13.5/7.5 16.0/9.0 18.0/10.0 20.0/11.5 22.0/12.5
Total CFM 140 190 235 280 330 375 425 470
CFM L/S 73/34 99/46 122/56 146/67 172/79 195/90 221/102 244/113
Throw L/S 7.0/4.5 9.0/6.0 11.5/7.5 13.5/9.0 16.0/10.5 18.0/12.0 20.0/14.0 23.0/15.5
Total CFM 195 260 325 390 455 520 585 650
CFM L/S 117/39 156/52 195/65 234/78 273/91 312/104 351/117 390/130
Throw L/S 8.5/5.0 11.5/6.5 14.0/8.0 17.0/9.5 20.0/11.5 23.0/13.0 26.0/14.5 28.0/16.0
Total CFM 280 370 465 560 650 745 835 930
CFM L/S 164/67 192/89 242/112 291/134 338/156 387/179 434/200 484/223
Throw L/S 10.0/6.5 13.0/9.0 16.5/11.0 20.0/13.0 23.0/15.5 26.0/17.0 29.0/20.0 33.0/22.0
Terminal Velocity of 75 FPM
300 400 500 600 700 800 900 1000
.006 .010 .016 .022 .031 .040 .050 .062
Total CFM 30 40 50 65 75 85 95 105
CFM L/S 4/11 6/14 8/17 10/22 12/26 14/29 15/32 17/36
Throw L/S 2.0/3.0 2.0/3.5 3.0/4.0 3.5/5.5 4.5/6.5 5.0/7.0 5.5/8.0 6.0/9.0
Total CFM 60 80 100 120 140 160 180 200
CFM L/S 16/14 21/19 26/24 31/29 37/34 42/38 47/43 52/48
Throw L/S 3.0/3.0 4.0/4.0 5.0/5.0 6.0/6.0 7.5/7.0 8.5/8.0 9.5/9.0 10.5/10.0
Total CFM 95 125 155 185 215 250 280 310
CFM L/S 31/17 40/23 50/28 59/33 69/39 80/45 90/50 99/56
Throw L/S 4.5/3.5 6.0/4.5 7.0/5.5 8.5/6.5 10.0/7.5 11.0/9.0 13.0/9.5 14.5/10.5
Total CFM 140 190 235 280 330 375 425 470
CFM L/S 37/34 50/46 61/56 73/67 86/79 98/90 111/102 122/113
Throw L/S 5.0/4.5 6.5/6.0 8.0/7.5 9.5/9.0 11.5/10.5 13.0/12.0 14.5/14.0 16.0/15.5
Total CFM 195 260 325 390 455 520 585 650
CFM L/S 59/39 78/52 98/65 117/78 137/91 156/104 176/117 195/130
Throw L/S 6.0/5.0 8.0/6.5 10.0/8.0 12.0/9.5 14.0/11.5 16.0/13.0 18.0/14.5 20.0/16.0
Total CFM 280 370 465 560 650 745 835 930
CFM L/S 73/67 96/89 121/112 146/134 169/156 194/179 217/200 242/223
Throw L/S 7.0/6.5 9.0/9.0 11.5/11.0 14.0/13.0 16.0/15.5 19.0/17.0 21.0/20.0 23.0/22.0
Terminal Velocity of 75 FPM
14 x 8
Ak .390
12 x 12
Ak .470
14 x 14
Ak .650
16 x 16
Ak .930
12 x 6
A .225
14 x 6
Ak .290
10 x 10
Ak .310
12 x 8
Ak .320
10 x 4
Ak .115
12 x 4
Ak .140
10 x 6
Ak .185
8 x 8
Ak .200
Face Velocity
Pressure Loss
8 x 4
Ak .090
6 x 6
Ak .105
14 x 14
Ak .650
16 x 16
Ak .930
Face Velocity
Pressure Loss
6 x 6
Ak .105
8 x 8
Ak .200
10 x 10
Ak .310
12 x 12
Ak .470
LL
S
684 Four-Way Sidewall/Ceiling Register
(Page 21)
684 Four-Way Sidewall/Ceiling Register
(Page 21)
300 400 500 600 700 800 900 1000
.006 .010 .016 .022 .031 .040 .050 .062
Total CFM 25 35 45 55 65 70 80 90
CFM L/S 13/6 17/9 24/11 29/13 34/16 37/17 42/19 48/22
Throw L/S 3.0/2.5 4.0/3.0 5.0/3.5 6.0/4.0 7.0/5.0 7.5/5.5 8.5/6.0 10.0/6.5
Total CFM 30 40 50 65 75 85 95 105
CFM L/S 10/10 13/14 16/17 21/22 24/26 27/29 30/32 34/36
Throw L/S 3.0/3.0 3.5/3.5 4.0/4.0 5.5/5.5 6.0/6.0 7.0/7.0 8.0/8.0 9.0/9.0
Total CFM 35 45 60 70 80 90 105 115
CFM L/S 21/7 29/8 38/11 45/13 51/14 58/16 67/19 74/21
Throw L/S 4.0/2.0 5.0/2.5 6.0/3.5 7.5/4.0 8.5/4.5 9.5/5.0 11.0/6.0 12.0/6.5
Total CFM 40 55 70 85 100 110 125 140
CFM L/S 21/10 29/13 36/17 44/20 52/24 57/26 65/30 73/34
Throw L/S 3.5/2.5 5.0/3.0 6.0/4.0 7.5/5.0 8.5/5.5 9.5/6.0 10.5/7.0 12.0/8.0
Total CFM 55 75 95 110 130 150 165 185
CFM L/S 35/10 48/14 61/17 70/20 83/23 96/27 106/30 118/33
Throw L/S 4.5/2.5 6.5/3.5 8.0/4.0 9.0/5.0 11.0/5.5 12.5/6.5 14.0/7.5 15.5/8.0
Total CFM 60 80 100 120 140 160 180 200
CFM L/S 31/14 42/19 52/24 62/29 73/34 83/38 94/43 104/48
Throw L/S 4.5/3.0 6.0/4.0 7.5/5.0 8.5/6.0 10.5/7.0 11.5/8.0 13.0/9.0 14.5/10.0
Total CFM 70 90 115 135 160 180 205 225
CFM L/S 36/17 47/22 60/28 70/32 83/38 94/43 107/49 117/54
Throw L/S 4.5/3.5 6.0/4.0 8.0/5.5 9.0/6.0 11.0/7.5 12.5/8.0 14.0/6.5 15.5/10.5
Total CFM 85 115 145 175 205 230 260 290
CFM L/S 51/17 69/23 87/29 105/35 123/41 138/46 156/52 174/58
Throw L/S 5.5/3.5 7.5/4.5 10.0/5.5 12.0/6.5 14.0/8.0 15.5/9.0 18.0/10.0 20.0/11.0
Total CFM 95 125 155 185 215 250 280 310
CFM L/S 61/17 80/23 99/28 118/33 138/39 160/45 179/50 198/56
Throw L/S 6.0/3.5 8.0/4.5 10.0/5.5 12.0/6.5 14.0/7.5 16.5/9.0 18.0/9.5 20.0/10.5
Total CFM 95 130 160 190 225 255 290 320
CFM L/S 49/23 68/31 83/38 99/46 117/54 133/61 151/70 166/77
Throw L/S 5.5/4.0 7.5/5.0 9.5/6.0 11.0/7.5 13.0/9.0 15.0/10.0 17.0/11.5 19.0/12.5
Total CFM 115 155 195 235 275 310 350 390
CFM L/S 69/23 93/31 117/39 141/47 165/55 186/62 210/70 234/78
Throw L/S 6.5/4.0 9.0/5.0 11.0/6.0 13.5/7.5 16.0/9.0 18.0/10.0 20.0/11.5 22.0/12.5
Total CFM 140 190 235 280 330 375 425 470
CFM L/S 73/34 99/46 122/56 146/67 172/79 195/90 221/102 244/113
Throw L/S 7.0/4.5 9.0/6.0 11.5/7.5 13.5/9.0 16.0/10.5 18.0/12.0 20.0/14.0 23.0/15.5
Total CFM 195 260 325 390 455 520 585 650
CFM L/S 117/39 156/52 195/65 234/78 273/91 312/104 351/117 390/130
Throw L/S 8.5/5.0 11.5/6.5 14.0/8.0 17.0/9.5 20.0/11.5 23.0/13.0 26.0/14.5 28.0/16.0
Total CFM 280 370 465 560 650 745 835 930
CFM L/S 164/67 192/89 242/112 291/134 338/156 387/179 434/200 484/223
Throw L/S 10.0/6.5 13.0/9.0 16.5/11.0 20.0/13.0 23.0/15.5 26.0/17.0 29.0/20.0 33.0/22.0
Terminal Velocity of 75 FPM
300 400 500 600 700 800 900 1000
.006 .010 .016 .022 .031 .040 .050 .062
Total CFM 30 40 50 65 75 85 95 105
CFM L/S 4/11 6/14 8/17 10/22 12/26 14/29 15/32 17/36
Throw L/S 2.0/3.0 2.0/3.5 3.0/4.0 3.5/5.5 4.5/6.5 5.0/7.0 5.5/8.0 6.0/9.0
Total CFM 60 80 100 120 140 160 180 200
CFM L/S 16/14 21/19 26/24 31/29 37/34 42/38 47/43 52/48
Throw L/S 3.0/3.0 4.0/4.0 5.0/5.0 6.0/6.0 7.5/7.0 8.5/8.0 9.5/9.0 10.5/10.0
Total CFM 95 125 155 185 215 250 280 310
CFM L/S 31/17 40/23 50/28 59/33 69/39 80/45 90/50 99/56
Throw L/S 4.5/3.5 6.0/4.5 7.0/5.5 8.5/6.5 10.0/7.5 11.0/9.0 13.0/9.5 14.5/10.5
Total CFM 140 190 235 280 330 375 425 470
CFM L/S 37/34 50/46 61/56 73/67 86/79 98/90 111/102 122/113
Throw L/S 5.0/4.5 6.5/6.0 8.0/7.5 9.5/9.0 11.5/10.5 13.0/12.0 14.5/14.0 16.0/15.5
Total CFM 195 260 325 390 455 520 585 650
CFM L/S 59/39 78/52 98/65 117/78 137/91 156/104 176/117 195/130
Throw L/S 6.0/5.0 8.0/6.5 10.0/8.0 12.0/9.5 14.0/11.5 16.0/13.0 18.0/14.5 20.0/16.0
Total CFM 280 370 465 560 650 745 835 930
CFM L/S 73/67 96/89 121/112 146/134 169/156 194/179 217/200 242/223
Throw L/S 7.0/6.5 9.0/9.0 11.5/11.0 14.0/13.0 16.0/15.5 19.0/17.0 21.0/20.0 23.0/22.0
Terminal Velocity of 75 FPM
14 x 8
Ak .390
12 x 12
Ak .470
14 x 14
Ak .650
16 x 16
Ak .930
12 x 6
A .225
14 x 6
Ak .290
10 x 10
Ak .310
12 x 8
Ak .320
10 x 4
Ak .115
12 x 4
Ak .140
10 x 6
Ak .185
8 x 8
Ak .200
Face Velocity
Pressure Loss
8 x 4
Ak .090
6 x 6
Ak .105
14 x 14
Ak .650
16 x 16
Ak .930
Face Velocity
Pressure Loss
6 x 6
Ak .105
8 x 8
Ak .200
10 x 10
Ak .310
12 x 12
Ak .470
LL
S
S
Recommended Noise Criteria and Face Velocity Ranges are on page 37
Engineering Data
47
Engineering Data