How it Works
Acme Engineering
Loading...
EV18
User Manual
9 pgs423.37 Kb0

Acme Engineering EV18 User Manual

Download
Hoods and Gravity Ventilators
Models EV, IV, LEV, and LIV
Construction Features
Hood and base constructed of heavy gauge aluminum
•
Rigid structural aluminum braced for extra strength
•
Birdscreen constructed of heavy gauge galvanized steel
•
wire mesh Miter cut and welded curb base for extra strength and water
•
EV/IV
Roof Vents
EV/IV
Curb for EV/IV and LEV/LIV
Models EV and IV are low silhouette exhaust (EV) and
•
intake (IV) ventilators Full 360° perimeter hood opening for greater air flow
•
performance Deep hood design for protection from blowing rain and snow
•
LEV/LIV
Models LEV and LIV are multi-tier louvered exhaust (LEV)
•
and intake (LIV) ventilators Vertical snow and storm baffle on base to guard against
•
driven rain and snow Extruded aluminum louvers miter cut and welded at each
•
corner.
Options/Accessories
•
Hinged Hood
•
Insulated Hood
•
Insect Screens
•
Aluminum Birdscreen
•
Coatings
•
Galvanized Steel Construction (EV/IV only)
•
100 MPH Construction
•
Filters
•
Exhaust Relief Type AR Damper
Automatic counter balanced Manual operated Motorized
•
Air Intake Type WAGC Damper
Manual operated Motorized
LEV/LIV
Page 92
MODEL EV - GRAVITY EXHAUST VENTILATORS
Throat
Curb
Size
Cap
AxB
12 x 12 20 x 20 18 18 7 667 1054 1490 16 x 28 24 x 36 26 38 7 1950 3083 4360 20 x 84 28 x 92 35 98 9 5818 9199 13010
12 x 14 20 x 22 18 20 7 772 1220 1726 16 x 30 24 x 38 26 40 7 2088 3302 4670 20 x 96 28 x 104 35 111 9 6440 10182 14400
12 x 16 20 x 24 18 22 7 881 1394 1971 16 x 36 24 x 44 26 46 7 2370 3748 5300 20 x 108 28 x 112 35 123 9 7413 11722 16577
12 x 18 20 x 36 19 25 7 993 1570 2221 16 x 40 24 x 48 26 50 7 2656 4200 5940 20x 120 28 x 128 36 136 9 8343 13191 18655
12 x 20 20 x 28 19 27 7 1059 1675 2368 16 x 42 24 x 50 26 52 7 2789 4410 6236
12 x 22 20 x 30 19 29 7 1185 1874 2650 16 x 48 24 x 56 27 59 7 3190 5045 7134 22 x 22 30 x 30 32 32 9 2223 3515 4970
12 x 24 20 x 32 20 32 7 1252 1980 2800 16 x 54 24 x 62 27 65 7 3354 5303 7500 22 x 24 30 x 32 32 34 9 2342 3702 5236
12 x 28 20 x 36 20 36 7 1462 2312 3270 16 x 60 24 x 68 27 71 7 3578 5657 8000 22 x 28 30 x 36 33 39 9 2679 4236 5990
12 x 30 20 x 38 20 38 7 1565 2475 3500 16 x 66 24 x 74 28 78 7 3763 5949 8413 22 x 30 30 x 38 33 41 9 2871 4540 6420
12 x 36 20 x 44 21 45 7 1775 2807 3970 16 x 72 24 x 80 28 84 7 4105 6490 9178 22 x 36 30 x 44 34 48 9 3260 5155 7290
12 x 40 20 x 48 21 48 7 1954 3090 4370 16 x 80 24 x 88 28 92 7 4387 6937 9810 22 x 40 30 x 48 34 52 9 3508 5547 7845
12 x 42 20 x 50 22 52 7 2048 3239 4580 16 x 84 24 x 92 28 96 7 4655 7361 10410 22 x 42 30 x 50 36 56 9 3757 5940 8400
12 x 48 20 x 56 21 57 7 2392 3782 5348 16 x 96 24 x 104 28 108 7 5152 8146 11520 22 x 48 30 x 56 35 61 9 4214 6663 9423
12 x 54 20 x 62 22 64 7 2567 4059 5741 16 x 108 24 x 116 29 121 7 5578 8820 12473 22 x 54 30 x 62 36 68 9 4521 7149 10110
12 x 60 20 x 68 22 70 7 2798 4423 6255 16 x 120 24 x 128 29 133 7 6261 9899 14000 22 x 60 30 x 68 37 75 9 4919 7778 11000
12 x 66 20 x 74 22 76 7 2998 4740 6704
12 x 72 20 x 80 22 82 7 3204 5066 7165 18 x 18 26 x 26 26 26 8 1543 2439 3450 22 x 72 30 x 80 37 87 9 5756 9100 12870
12 x 80 20 x 88 22 90 7 3437 5434 7685 18 x 20 26 x 28 27 29 8 1690 2672 3779 22 x 80 30 x 88 38 96 9 6176 9765 13810
12 x 84 20 x 92 22 94 7 3719 5879 8315 18 x 22 26 x 30 27 31 8 1856 2934 4149 22 x 84 30 x 92 38 100 9 6532 10327 14605
12 x 96 20 x 104 22 106 7 4119 6513 9210 18 x 24 26 x 32 27 33 8 1917 3031 4287 22 x 96 30 x 104 38 112 9 7084 11201 15840
12 x 108 20 x 116 22 120 7 4448 7033 9946 18 x 28 26 x 36 28 38 8 2191 3465 4900 22 x 108 30 x 116 39 125 9 8155 12894 18235
12 x 120 20 x 128 22 132 7 4896 7741 10947 18 x 30 26 x 38 28 40 8 2348 3712 5250 22 x 120 30 x 128 39 137 9 8975 14191 20070
14 x 14 22 x 22 20 20 7 919 1453 2055 18 x 40 26 x 48 29 51 8 2929 4632 6550 24 x 24 32 x 32 34 34 11 2456 3883 5491
14 x 16 22 x 24 20 22 7 1051 1662 2350 18 x 42 26 x 50 29 53 8 3077 4865 6880 24 x 28 32 x 36 35 39 11 2864 4528 6403
14 x 18 22 x 26 22 26 7 1181 1867 2640 18 x 48 26 x 56 30 60 8 3515 5558 7860 24 x 30 32 x 38 36 42 11 3070 4854 6864
14 x 20 22 x 28 22 28 7 1237 1955 2765 18 x 54 26 x 62 30 66 8 3852 6091 8614 24 x 36 32 x 44 37 49 11 3486 5512 7796
14 x 22 22 x 30 22 30 7 1386 2192 3100 18 x 60 26 x 68 30 72 8 4025 6364 9000 24 x 40 32 x 48 38 54 11 3904 6173 8730
14 x 24 22 x 32 22 32 7 1425 2253 3187 18 x 66 26 x 74 31 79 8 4232 6691 9463 24 x 42 32 x 50 38 56 11 4101 6484 9170
14 x 28 22 x 36 22 36 7 1671 2642 3736 18 x 72 26 x 80 31 85 8 4618 7301 10326 24 x 48 32 x 56 38 62 11 4687 7410 10480
14 x 30 22 x 38 23 39 7 1825 2885 4080 18 x 80 26 x 88 31 92 8 4955 7835 11081 24 x 54 32 x 62 39 69 11 5031 7955 11250
14 x 36 22 x 44 23 45 7 2075 3281 4640 18 x 84 26 x 924 31 97 8 5135 8119 11483 24 x 60 32 x 68 39 75 11 5367 8485 12000
14 x 40 22 x 48 23 49 7 2323 3673 5195 18 x 96 26 x 1046 32 110 8 5577 8818 12471 24 x 66 32 x 74 40 82 11 5756 9100 12870
14 x 42 22 x 50 24 52 7 2393 3783 5350 18 x 108 26 x 116 32 122 8 6400 10119 14310 24 x 72 32 x 80 40 88 11 6279 9928 14040
14 x 48 22 x 56 24 58 7 2789 4410 6236 18 x 120 26 x 128 33 135 8 6907 10921 15444 24 x 80 32 x 88 40 96 11 6878 10876 15381
14 x 54 22 x 62 24 64 7 3059 4836 6839
14 x 60 22 x 68 24 70 7 3264 5160 7298 20 x 20 28 x 28 29 29 9 1802 2850 4030 24 x 96 32 x 104 41 113 11 7887 12471 17636
14 x 66 22 x 74 24 77 7 3502 5536 7830 20 x 22 28 x 30 29 31 9 1981 3132 4430 24 x 108 32 x 116 42 126 11 8709 13770 19473
14 x 72 22 x 80 24 84 7 3738 5911 8359 20 x 24 28 x 32 30 34 9 2177 3443 4869 24 x 120 32 x 128 42 138 11 9791 15481 21894
14 x 80 22 x 88 25 92 7 4012 6344 8971 20 x 28 28 x 36 31 39 9 2536 4010 5672
14 x 84 22 x 92 25 95 7 4243 6709 9487 20 x 30 28 x 38 31 41 9 2661 4207 5950 28 x 28 36 x 36 40 40 13 3478 5499 7777
14 x 96 22 x 104 26 108 7 4805 7598 10745 20 x 36 28 x 44 31 47 9 2961 4681 6620 28 x 30 36 x 38 41 43 13 3654 5777 8170
14 x 108 22 x 116 26 120 7 5189 8205 11604 20 x 40 28 x 48 32 52 9 3256 5148 7280 28 x 36 36 x 44 41 49 13 4146 6555 9270
14 x 120 22 x 128 26 132 7 5712 9031 12772 20 x 42 28 x 50 32 54 9 3417 5402 7640 28 x 40 36 x 48 43 55 13 4651 7354 10400
16 x 16 24 x 24 23 23 7 1199 1895 2680 20 x 54 28 x 62 33 67 9 4277 6762 9563 28 x 48 36 x 56 43 63 13 5469 8648 12230
16 x 18 24 x 26 24 26 7 1342 2121 3000 20 x 60 28 x 68 33 73 9 4472 7071 10000 28 x 54 36 x 62 45 70 13 5867 9277 13120
16 x 20 24 x 28 24 28 7 1470 2324 3286 20 x 66 28 x 74 34 80 9 4893 7736 10941 28 x 60 36 x 68 44 76 13 6139 9707 13728
16 x 22 24 x 30 24 30 7 1616 2555 3613 20 x 72 28 x 80 34 86 9 5340 8444 11941 28 x 66 36 x 74 45 83 13 6582 10408 14719
Hood Size CFM @ IN. W.G. Throat
C D E .050" .125" .250" C D E .050" .125" .250" C D E .050" .125" .250"
12
Curb
Size
AxB
16 x 24 24 x 32 25 33 7 1668 2638 3730 20 x 80 28 x 88 34 94 9 5728 9057 12809
Cap
Hood Size CFM @ IN. W.G. Throat
Size
AxB
Curb
Cap
Hood Size CFM @ IN. W.G.
22
18
14
18 x 36 26 x 44 29 47 8 2614 4133 5844
20
22 x 66 30 x 74 37 81 9 5277 8344 11800
24
24 x 84 32 x 92 40 100 11 6981 11038 15610
28
16
20 x 48 28 x 56 33 61 9 3985 6300 8910 28 x 42 36 x 50 43 59 13 4785 7566 10700
Roof Vents
Exhaust/Relief Ventilators havea1to1ratio of hood perimeter opening to throat area. Maximum design air velocity is 1200 fpm.
Page 93
MODEL EV - GRAVITY EXHAUST VENTILATORS
Throat
Curb
Size
Cap
AxB
28 x 72 36 x 80 45 89 13 7476 11821 16718 40 54
28 x 80 36 x 88 46 98 13 7862 12431 17580 40 x 42 48 x 50 57 59 15 6974 11027 15595 54 x 54 62 x 62 77 77 19 11319 17897 25310
28 x 84 36 x 92 46 102 13 8490 13425 18985 40 x 48 48 x 56 59 67 15 7813 12353 17470 54 x 60 62 x 68 79 85 19 12075 19092 27000
28 x 96 36 x 104 47 115 13 9202 14549 20576 40 x 54 48 x 62 59 73 15 8385 13258 18750 54 x 66 62 x 74 79 91 19 12951 20478 28960
28 x 108 36 x 116 48 128 13 10160 16065 22719 40 x 60 48 x 68 60 80 15 8944 14142 20000 54 x 72 62 x 80 80 98 19 13853 21904 30977
28 x 120 36 x 128 48 140 13 11423 18062 25543 40 x 66 48 x 74 61 87 15 9593 15167 21450 54 x 80 62 x 88 81 107 19 14866 23505 33242
30 x 30 38 x 38 43 43 13 3893 6156 8706 40 x 80 48 x 88 63 103 15 11230 17755 25110 54 x 96 62 x 104 83 125 19 17388 27492 38880
30 x 36 38 x 44 44 50 13 4537 7174 10145 40 x 84 48 x 92 64 108 15 11411 18082 25515 54 x 108 62 x 116 85 139 19 19154 30285 42830
30 x 40 38 x 48 45 55 13 4884 7722 10920 40 x 96 48 x 108 64 120 15 12880 20365 28800 54 x 120 62 x 128 86 152 19 21131 33411 47250
30 x 42 38 x 50 45 57 13 5125 8103 11460 40 x 108 48 x 116 65 133 15 14515 22950 32456 60
30 x 48 38 x 56 46 64 13 5745 9083 12846 40 x 120 48 x 128 66 146 15 16319 25802 36490 60 x 60 68 x 68 86 86 21 13156 20801 29417
30 x 54 38 x 62 47 71 13 6166 9749 13787 42 60 x 66 68 x 74 87 93 21 14387 22748 32170
30 x 60 38 x 68 48 78 13 6708 10607 15000 42 x 42 50 x 50 59 59 15 7178 11349 16050 60 x 72 68 x 80 88 100 21 15392 24337 34418
Roof Vents
30 x 66 38 x 74 48 84 13 7196 11377 16090 42 x 48 50 x 56 61 67 15 8202 12968 18340 60 x 80 64 x 88 89 109 21 16847 26637 37670
30 x 72 38 x 80 49 91 13 7696 12169 17209 42 x 54 50 x 62 62 74 15 8806 13923 19690 60 x 84 68 x 92 90 114 21 17450 27591 39020
30 x 80 38 x 88 49 99 13 8258 13056 18464 42 x 60 50 x 68 64 82 15 9585 15155 21433 60 x 96 68 x 104 91 127 21 19320 30547 43200
30 x 84 38 x 92 50 104 13 8725 13796 19510 42 x 66 50 x 74 65 89 15 10071 15924 22520 60 x 108 68 x 116 93 141 21 20918 33074 46774
30 x 96 38 x 104 50 116 13 9859 15588 22045 42 x 72 50 x 80 65 95 15 10988 17374 24570 60 x 120 68 x 128 94 154 21 23023 36402 51480
30 x 108 38 x 116 51 129 13 10886 17212 24342 42 x 80 50 x 88 66 104 15 11793 18646 26370 66
30 x 120 38 x 128 52 142 13 12239 19352 27368 42 x 84 50 x 92 66 108 15 12470 19717 27883 66 x 66 74 x 74 94 94 21 15831 25032 35400
36 x 36 44 x 44 52 52 15 5558 8788 12427 42 x 108 50 x 116 68 134 15 14932 23610 33390 66 x 80 74 x 88 94 113 21 18168 28727 40625
36 x 40 44 x 48 53 57 15 5979 9454 13370 42 x 120 50 x 128 69 147 15 16435 25986 36750 66 x 84 74 x 92 97 115 21 19199 30356 42930
36 x 42 44 x 50 53 59 15 6276 9923 14034 48 66 x 96 74 x 104 97 131 21 21252 33602 47520
36 x 48 44 x 56 54 66 15 7175 11345 16044 48 x 48 56 x 56 68 68 17 9192 14533 20553 66 x 108 74 x 116 97 147 21 23465 37102 52470
36 x 54 44 x 62 55 73 15 7549 11936 16880 48 x 54 56 x 62 70 76 17 10062 15910 22500 66 x 120 74 x 128 96 165 21 26359 41677 58941
36 x 60 44 x 68 56 80 15 8050 12728 18000 48 x 60 56 x 68 71 83 17 10733 16971 24000 72
36 x 66 44 x 74 56 86 15 8809 13929 19698 48 x 66 56 x 74 72 90 17 11511 18201 25740 72 x 72 80 x 80 96 110 21 19731 31198 44120
36 x 72 44 x 80 57 93 15 9613 15199 21494 48 x 72 56 x 80 73 97 17 12558 19856 28080 72 x 80 80 x 88 96 120 21 20631 32620 46132
36 x 80 44 x 88 58 102 15 10107 15981 22600 48 x 80 56 x 88 74 106 17 13475 21305 30130 72 x 84 80 x 92 96 126 21 20943 33114 46830
36 x 84 44 x 92 58 106 15 10469 16553 23410 48 x 84 56 x 92 75 111 17 13962 22076 31220 72 x 96 80 x 104 96 143 21 22733 35945 50833
36 x 96 44 x 104 59 119 15 11367 17972 25417 48 x 96 56 x 104 75 123 17 15456 24438 34560 72 x 108 80 x 116 96 163 21 25599 40475 57240
36 x 108 44 x 116 60 132 15 13063 20655 29210 48 x 108 56 x 116 77 137 17 17418 27540 38947 72 x 120 80 x 128 96 180 21 28174 44548 63000
36 x 120 44 x 128 60 144 15 14378 22733 32150 48 x 120 56 x 128 78 150 17 19170 30311 42866
Hood Size CFM @ IN. W.G. Throat
C D E .050" .125" .250" C D E .050" .125" .250" C D E .050" .125" .250"
30 40 x 72 48 x 80 62 94 15 10465 16546 23400 54 x 84 62 x 92 82 112 19 15706 24834 35120
36 42 x 96 50 x 104 67 121 15 13803 21824 30864 66 x 72 74 x 80 94 102 21 17267 27301 38610
Size
AxB
Curb
Cap
Hood Size CFM @ IN. W.G. Throat
Size
AxB
Curb
Cap
Hood Size CFM @ IN. W.G.
Exhaust/Relief Ventilators havea1to1ratio of hood perimeter opening to throat area. Maximum design air velocity is 1200 fpm.
Page 94
MODEL IV - FRESH AIR INTAKE VENTILATORS
Throat
12 x 108 20 x 116 31 127 8 6399 9050 12799 18 x 28 26 x 36 35 45 10 2330 3295 4660 22 x 108 30 x 116 52 138 11 11004 15561 22007
12 x 120 20 x 128 32 140 8 6931 9801 13861 18 x 30 26 x 38 36 48 10 2567 3630 5133 22 x 120 30 x 128 53 151 11 12607 17829 25214
14 x 108 22 x 116 36 130 9 7221 10211 14441 20 x 40 28 x 48 40 60 11 3704 5238 7408 28 x 36 36 x 44 52 60 13 4600 6505 9200
14 x 120 22 x 128 36 142 9 8249 11666 16498 20 x 42 28 x 50 41 63 11 3835 5424 7670 28 x 40 36 x 48 53 65 13 5055 7149 10110
Curb
Size
Cap
AxB
12 x 12 20 x 20 21 21 7 685 969 1307 16 x 28 24 x 36 32 44 9 2070 2927 4140 20 x 84 28 x 92 46 110 11 7838 11085 15677
12 x 14 20 x 22 22 24 7 801 1133 1602 16 x 30 24 x 38 32 46 9 2287 3235 4575 20 x 96 28 x 104 47 123 11 9171 12969 18341
12 x 16 20 x 24 22 26 7 912 1289 1824 16 x 36 24 x 44 33 53 9 2814 3980 5629 20 x 108 28 x 116 48 136 11 10034 14190 20068
12 x 18 20 x 26 23 29 7 1058 1496 2115 16 x 40 24 x 44 33 57 9 3046 4308 6093 20 x 120 28 x 128 49 149 11 11463 16211 22927
12 x 20 20 x 28 24 32 7 1177 1664 2354 16 x 42 24 x 50 33 60 9 3236 4576 6472 22
12 x 22 20 x 30 24 34 7 1254 1774 2509 16 x 48 24 x 56 35 67 9 3684 5210 7368 22 x 22 30 x 30 39 39 11 2303 3257 4606
12 x 24 20 x 32 25 37 7 1402 1983 2804 16 x 54 24 x 62 36 74 9 3945 5579 7890 22 x 24 30 x 32 40 42 11 2440 3451 4880
12 x 28 20 x 36 26 42 7 1634 2311 3268 16 x 60 24 x 68 36 80 9 4390 6208 8780 22 x 28 30 x 36 40 46 11 2978 4211 5956
12 x 30 20 x 36 26 44 7 1790 2531 3579 16 x 66 24 x 74 37 87 9 5065 7163 10130 22 x 30 30 x 38 42 50 11 3141 4442 6282
12 x 36 20 x 44 27 51 7 2124 3004 4248 16 x 72 24 x 80 38 94 9 5545 7841 11089 22 x 36 30 x 44 43 57 11 3640 5148 7280
12 x 40 20 x 48 28 56 7 2282 3227 4564 16 x 80 24 x 88 38 102 9 5976 8452 11953 22 x 40 30 x 48 44 62 11 4078 5768 8157
12 x 42 20 x 50 29 59 7 2435 3444 4870 16 x 84 24 x 92 39 107 9 6393 9041 12786 22 x 42 30 x 50 45 65 11 4220 5968 8440
12 x 48 20 x 56 28 64 7 2783 3935 5566 16 x 96 24 x 104 39 119 9 7336 10375 14673 22 x 48 30 x 56 46 72 11 4805 6795 9610
12 x 54 20 x 62 28 70 7 3120 4413 6240 16 x 108 24 x 116 40 132 10 8054 11390 16108 22 x 54 30 x 62 46 78 11 5275 7460 10549
12 x 60 20 x 68 29 77 7 3468 4904 6936 16 x 120 24 x 128 40 144 10 9171 12969 18341 22 x 60 30 x 68 47 85 11 6025 8521 12050
12 x 66 20 x 74 29 83 7 3811 5389 7621 18 22 x 66 30 x 74 48 92 11 6446 9116 12892
12 x 72 20 x 80 30 90 7 4158 5881 8317 18 x 18 26 x 26 32 32 10 1539 2176 3078 22 x 72 30 x 80 49 99 11 7200 10182 14400
12 x 80 20 x 88 30 98 7 4601 6507 9202 18 x 20 26 x 28 33 35 10 1763 2493 3525 22 x 80 30 x 88 50 108 11 8000 11314 16000
12 x 84 20 x 92 31 103 7 4844 6850 9687 18 x 22 26 x 30 33 37 10 1882 2661 3763 22 x 84 30 x 92 50 112 11 8623 12195 17247
12 x 96 20 x 104 31 115 7 5523 7811 11047 18 x 24 26 x 32 34 40 10 2000 2828 4000 22 x 96 30 x 104 51 125 11 10067 14236 20133
14 x 14 22 x 22 25 25 8 933 1319 1866 18 x 40 26 x 48 38 60 10 3426 4845 6852 24 x 24 32 x 32 42 42 11 2650 3748 5300
14 x 16 22 x 24 25 27 8 1095 1549 2191 18 x 42 26 x 50 38 62 10 3637 5143 7273 24 x 28 32 x 36 43 47 11 3262 4614 6525
14 x 18 22 x 26 26 30 8 1196 1692 2393 18 x 48 26 x 56 39 69 10 3950 5586 7900 24 x 30 32 x 38 44 50 11 3457 4890 6915
14 x 20 22 x 28 27 33 8 1333 1886 2667 18 x 54 26 x 62 40 76 10 4440 6279 8880 24 x 36 32 x 44 46 58 11 3945 5579 7890
14 x 22 22 x 30 28 36 8 1508 2132 3015 18 x 60 26 x 68 40 82 10 4811 6804 9622 24 x 40 32 x 48 47 63 11 4335 6131 8670
14 x 24 22 x 32 28 38 8 1550 2192 3100 18 x 66 26 x 74 41 89 10 5718 8087 11437 24 x 42 32 x 50 48 66 11 4600 6505 9200
14 x 28 22 x 36 29 43 8 1897 2683 3795 18 x 72 26 x 80 41 95 10 6074 8590 12148 24 x 48 32 x 56 49 73 11 5275 7460 10550
14 x 30 22 x 38 29 45 8 1998 2825 3995 18 x 80 26 x 88 42 104 10 6720 9504 13440 24 x 54 32 x 62 50 80 11 5915 8365 11830
14 x 36 22 x 44 30 52 8 2129 3011 4259 18 x 84 26 x 92 43 109 10 7084 10019 14169 24 x 60 32 x 68 52 88 11 6580 9306 13160
14 x 40 22 x 48 30 56 8 2667 3772 5334 18 x 96 26 x 104 43 121 10 8003 11317 16005 24 x 66 32 x 74 52 94 11 7205 10189 14410
14 x 42 22 x 50 30 59 8 2830 4003 5660 18 x 108 26 x 116 44 134 11 9250 13081 18499 24 x 72 32 x 80 52 100 11 7855 11109 15710
14 x 48 22 x 56 31 66 8 3330 4709 6660 18 x 120 26 x 128 45 147 11 10277 14534 20555 24 x 80 32 x 88 53 109 11 8700 12304 17400
14 x 54 22 x 62 32 72 8 3637 5143 7273 20 24 x 84 32 x 92 54 114 11 8949 12656 17898
14 x 60 22 x 68 33 79 8 4032 5702 8064 20 x 20 28 x 28 35 35 11 1952 2761 3905 24 x 96 32 x 104 55 127 11 10400 14708 20800
14 x 66 22 x 74 33 85 8 4427 6261 8854 20 x 22 28 x 30 36 38 11 2092 2959 4185 24 x 108 32 x 116 56 140 11 11750 16617 23500
14 x 72 22 x 80 34 92 8 4849 6857 9698 20 x 24 28 x 32 37 41 11 2220 3140 4440 24 x 120 32 x 128 57 154 11 13440 19007 26881
14 x 80 22 x 88 34 100 8 5227 7393 10455 20 x 28 28 x 36 37 45 11 2730 3861 5460 28
14 x 84 22 x 92 35 105 8 5597 7916 11194 20 x 30 28 x 38 38 48 11 2857 4040 5713 28 x 28 36 x 36 51 51 13 3789 5359 7579
14 x 96 22 x 104 35 117 8 6393 9041 12786 20 x 36 28 x 44 40 56 11 3484 4927 6968 28 x 30 36 x 38 51 53 13 4058 5739 8117
16 x 16 24 x 24 28 28 9 1217 1722 2435 20 x 54 28 x 62 43 77 11 4930 6972 9860 28 x 48 36 x 56 54 74 13 6065 8577 12130
16 x 18 24 x 36 28 30 9 1370 1938 2741 20 x 60 28 x 68 44 84 11 5348 7563 10696 28 x 54 36 x 62 56 82 13 6900 9758 13800
16 x 20 24 x 28 29 33 9 1567 2217 3135 20 x 66 28 x 74 45 91 11 6025 8521 12050 28 x 60 36 x 68 57 89 13 7650 10819 15300
16 x 22 24 x 30 30 36 9 1725 2439 3449 20 x 72 28 x 80 45 97 11 6720 9504 13440 28 x 66 36 x 74 58 96 13 8198 11593 16395
Hood Size CFM @ IN. W.G. Throat
C D E .05" .10" .20" C D E .05" .10" .20" C D E .05" .10" .20"
12 16 x 24 24 x 32 31 39 9 1790 2531 3580 20 x 80 28 x 88 46 106 11 7669 10845 15337
14 18 x 36 26 x 44 37 55 10 3104 4390 6209 24
16 20 x 48 28 x 56 42 70 11 4260 6024 8520 28 x 42 36 x 50 53 67 13 5370 7594 10740
Size
AxB
Curb
Cap
Hood Size CFM @ IN. W.G. Throat
Size
AxB
Curb
Cap
Hood Size CFM @ IN. W.G.
Roof Vents
Fresh Air Intake Ventilators havea2to1ratio of hood perimeter opening to throat area. Maximum design velocity through the hood opening is only 600 fpm to reduce entrainment of rain or snow in incoming air. The maximum throat design velocity is 1200 fpm.
Page 95
MODEL IV - FRESH AIR INTAKE VENTILATORS
Throat
28 x 108 36 x 116 64 144 13 13650 19304 27300 40 x 54 48 x 62 74 88 17 9588 13560 19176 54 x 72 62 x 80 98 121 23 15697 22199 31394
28 x 120 36 x 128 65 157 13 16049 22696 32097 40 x 60 48 x 68 76 96 17 10407 14718 20814 54 x 80 62 x 88 98 133 23 17397 24603 34793
Roof Vents
30 x 108 38 x 116 67 145 13 14550 20577 29100 42 x 72 50 x 80 83 113 18 13209 18680 26418 66
30 x 120 38 x 128 69 159 13 16570 23433 33139 42 x 80 50 x 88 84 122 18 13844 19578 27687 66 x 66 74 x 74 98 134 25 17468 24704 34936
36 x 108 44 x 116 78 150 15 16690 23604 33381 48 x 96 56 x 104 96 144 20 15456 24438 34560 72 x 120 80 x 128 139 187 29 33679 47629 67358
36 x 120 44 x 128 79 165 15 19400 27436 38800 48 x 108 56 x 116 95 165 20 17418 27540 38947
Curb
Size
AxB
Cap
28 x 72 36 x 80 59 103 13 9135 12919 18270 40 54
28 x 80 36 x 88 60 112 13 9630 13619 19260 40 x 40 48 x 48 70 70 17 7051 9971 14102 54 x 54 62 x 62 95 95 23 11865 16779 23729
28 x 84 36 x 92 61 117 13 10655 15068 21310 40 x 42 48 x 50 71 73 17 7640 10805 15280 54 x 60 62 x 68 97 103 23 13197 18664 26395
28 x 96 36 x 104 63 131 13 12150 17183 24300 40 x 48 48 x 56 73 81 17 8267 11691 16533 54 x 66 62 x 74 98 110 23 14391 20352 28783
30 x 30 38 x 38 53 53 13 4207 5949 8413 40 x 72 48 x 80 79 111 17 12687 17942 25373 54 x 96 62 x 104 98 160 23 21737 30740 43473
30 x 36 38 x 44 55 61 13 4792 6776 9583 40 x 80 48 x 88 81 121 17 13773 19478 27546 54 x 108 62 x 116 98 179 23 23456 33172 46913
30 x 40 38 x 48 55 65 13 5455 7715 10910 40 x 84 48 x 92 83 127 17 14459 20448 28919 54 x 120 62 x 128 111 177 23 25858 36569 51716
30 x 42 38 x 50 57 69 13 5616 7943 11233 40 x 96 48 x 104 83 139 17 16524 23368 33047 60
30 x 48 38 x 56 57 76 13 6343 8971 12687 40 x 108 48 x 116 85 153 17 18593 26294 37185 60 x 60 68 x 68 95 115 25 14534 20555 29069
30 x 54 38 x 62 60 84 13 7350 10394 14700 40 x 120 48 x 128 87 167 17 21585 30526 43170 60 x 66 68 x 74 96 124 25 16001 22629 32003
30 x 60 38 x 68 61 91 13 8175 11561 16350 42 60 x 72 68 x 80 109 121 25 17397 24603 34793
30 x 66 38 x 74 62 98 13 8788 12428 17576 42 x 42 50 x 50 74 74 18 7832 11076 15663 60 x 80 68 x 88 111 131 25 19306 27303 38612
30 x 72 38 x 80 63 105 13 9840 13916 19680 42 x 48 50 x 56 76 82 18 8229 11637 16457 60 x 84 68 x 92 113 137 25 20268 28663 40535
30 x 80 38 x 88 64 114 13 10613 15009 21226 42 x 54 50 x 62 78 90 18 9835 13909 19670 60 x 96 68 x 104 115 151 25 23166 32761 46331
30 x 84 38 x 92 65 119 13 11420 16150 22840 42 x 60 50 x 68 80 98 18 10965 15507 21930 60 x 108 68 x 116 118 166 25 25961 36714 51921
30 x 96 38 x 104 66 132 13 13050 18455 26100 42 x 66 50 x 74 82 106 18 12023 17003 24046 60 x 120 68 x 128 118 184 25 28175 39846 56351
36 x 36 44 x 44 63 63 15 5425 7672 10850 42 x 96 50 x 104 87 141 18 16972 24001 33943 66 x 80 74 x 88 117 135 25 21234 30029 42467
36 x 40 44 x 48 64 68 15 6392 9040 12784 42 x 108 50 x 116 89 155 18 19451 27507 38901 66 x 84 74 x 92 117 142 25 22298 31534 44596
36 x 42 44 x 50 66 72 15 6900 9758 13800 42 x 120 50 x 128 91 169 18 21605 30555 43211 66 x 96 74 x 104 117 162 25 25482 36037 50964
36 x 48 44 x 56 67 79 15 7437 10518 14874 48 66 x 108 74 x 116 127 169 25 27890 39443 55781
36 x 54 44 x 62 69 87 15 8750 12374 17500 48 x 48 56 x 56 84 84 20 9192 14533 20553 66 x 120 74 x 128 130 184 25 30872 43660 61745
36 x 60 44 x 68 70 94 15 9875 13965 19750 48 x 54 56 x 62 87 93 20 10062 15910 22500 72
36 x 66 44 x 74 71 101 15 10805 15281 21610 48 x 60 56 x 68 88 100 20 10733 16971 24000 72 x 72 80 x 80 117 137 25 20370 28807 40739
36 x 72 44 x 80 72 108 15 11750 16617 23500 48 x 66 56 x 74 89 107 20 11511 18201 25740 72 x 80 80 x 88 128 136 28 22716 32125 45432
36 x 80 44 x 88 74 117 15 12443 17597 24885 48 x 72 56 x 80 92 116 20 12558 19856 28080 72 x 84 80 x 92 130 142 29 24324 34399 48648
36 x 84 44 x 92 75 123 15 12775 18067 25551 48 x 80 56 x 88 94 126 20 13475 21305 30130 72 x 96 80 x 104 133 157 29 27259 38550 54518
36 x 96 44 x 104 77 137 15 14874 21035 29748 48 x 84 56 x 92 95 131 20 13962 22076 31220 72 x 108 80 x 116 136 172 29 30311 42866 60622
Hood Size CFM @ IN. W.G. Throat
C D E .05" .10" .20" C D E .05" .10" .20" C D E .05" .10" .20"
30 40 x 66 48 x 74 77 103 17 11451 16194 22902 54 x 84 62 x 92 98 140 23 18833 26633 37665
36
48 x 120 56 x 128 97 178 20 19170 30311 42866
Curb
Size
AxB
Cap
42 x 84 50 x 92 84 126 18 14537 20559 29075 66 x 72 74 x 80 117 123 25 18681 26419 37363
Hood Size CFM @ IN. W.G. Throat
Size
AxB
Curb
Cap
Hood Size CFM @ IN. W.G.
Fresh Air Intake Ventilators havea2to1ratio of hood perimeter opening to throat area. Maximum design velocity through the hood opening is only 600 fpm to reduce entrainment of rain or snow in incoming air. The maximum throat design velocity is 1200 fpm.
Page 96
MODELS LEV AND LIV- LOUVERED EXHAUST/INTAKE VENTILATORS
Throat
Size
AxB
12 x 12 1199 1225 1238 1245 12 x 14 1382 1419 1438 1448 12 x 16 1562 1611 1636 1649 12 x 18 1737 1800 1832 1850 1861 12 x 20 1909 1987 2026 2049 2063 12 x 24 2244 2354 2411 2444 2464 12 x 30 2729 2892 2979 3029 3061 3082 12 x 36 3197 3418 3538 3608 3652 3682 12 x 42 3653 3935 4089 4181 4240 4279 12 x 48 4101 4444 4635 4750 4823 4873 14 x 14 1590 1642 1668 1682 1691 1697 14 x 16 1791 1860 1895 1915 1927 1935 14 x 18 1987 2075 2120 2146 2162 2172 14 x 20 2178 2286 2342 2375 2395 2408 2417 14 x 24 2548 2700 2781 2828 2857 2877 2890 14 x 30 3078 3303 3425 3497 3543 3573 3595 14 x 36 3587 3888 4055 4156 4220 4264 4294 4316 14 x 42 4080 4459 4675 4807 4891 4949 4989 5019 14 x 48 4561 5021 5287 5451 5557 5629 5681 5718 16 x 16 2012 2104 2151 2178 2194 2205 2213 2219 16 x 18 2227 2343 2403 2438 2460 2474 2484 2491 16 x 20 2435 2577 2652 2696 2723 2741 2754 2763 16 x 24 2835 3034 3141 3205 3245 3272 3290 3304 3314 16 x 30 3404 3694 3856 3953 4016 4058 4087 4109 4125 16 x 36 3945 4331 4552 4687 4775 4835 4877 4908 4931 16 x 42 4950 5234 5410 5525 5604 5660 5701 5732 5756 16 x 48 5556 5905 6123 6268 6367 6438 6490 6530 6560 18 x 18 2458 2604 2682 2727 2755 2774 2787 2797 2804 2809 18 x 20 2681 2860 2956 3013 3048 3072 3089 3101 3110 3117 18 x 24 3107 3356 3493 3575 3627 3662 3687 3705 3718 3729 3737 18 x 30 3709 4067 4273 4398 4480 4535 4574 4603 4624 4641 4654 18 x 36 4277 4750 5029 5203 5317 5395 5451 5492 5523 5546 5565 18 x 42 5410 5767 5992 6142 6245 6319 6374 6415 6447 6472 6492 18 x 48 6055 6490 6770 6957 7087 7181 7250 7302 7343 7375 7401 18 x 54 7202 7537 7763 7922 8036 8121 8185 8236 8275 8307 20 x 20 2917 3135 3254 3325 3370 3400 3421 3436 3448 3457 3464 3469 20 x 24 3367 3667 3836 3938 4004 4049 4080 4103 4120 4133 4144 4152 20 x 30 3996 4425 4677 4834 4936 5006 5055 5092 5119 5140 5157 5170 5181 20 x 36 5148 5488 5704 5847 5946 6017 6069 6108 6139 6163 6182 6198 20 x 42 5844 6276 6555 6743 6873 6967 7037 7090 7131 7163 7189 7210 7228 20 x 48 6521 7046 7391 7625 7789 7908 7996 8064 8116 8158 8191 8219 8241 20 x 54 7802 8214 8496 8696 8841 8950 9032 9097 9148 9190 9223 9251 24 x 24 4263 4501 4649 4745 4811 4857 4892 4917 4937 4953 4965 4976 4984 24 x 30 5101 5452 5676 5825 5928 6002 6057 6098 6130 6155 6176 6192 6206 24 x 36 5891 6359 6666 6874 7019 7125 7203 7263 7309 7346 7376 7400 7420 7436 24 x 42 7234 7627 7898 8090 8230 8335 8415 8477 8527 8567 8600 8627 8649 24 x 48 8082 8565 8902 9143 9320 9453 9555 9635 9699 9751 9793 9827 9857 9881 24 x 54 8911 9485 9890 10182 10398 10561 10687 10785 10864 10928 10980 11023 11060 11090 24 x 60 9725 10390 10864 11209 11465 11659 11810 11928 12023 12099 12162 12215 12258 12296 30 x 30 6036 6543 6878 7107 7269 7386 7474 7540 7592 7633 7667 7694 7716 7735 7751 30 x 36 6901 7568 8023 8339 8566 8733 8859 8955 9031 9091 9139 9179 9212 9239 9262 30 x 42 8544 9121 9531 9829 10050 10217 10347 10448 10530 10596 10650 10695 10732 10764 10791 30 x 48 9484 10184 10690 11062 11340 11553 11718 11849 11953 12038 12108 12166 12215 12257 12292 30 x 54 10394 11219 11823 12271 12610 12870 13073 13234 13364 13469 13556 13629 13690 13741 13786 30 x 60 12232 12934 13461 13861 14171 14413 14607 14763 14890 14995 15083 15157 15219 15273 15319 30 x 66 13226 14028 14634 15098 15458 15742 15968 16152 16302 16426 16529 16617 16691 16755 16810 30 x 72 15108 15794 16322 16734 17060 17321 17532 17706 17850 17970 18072 18158 18232 18296 36 x 36 7824 8688 9297 9732 10049 10286 10466 10605 10715 10802 10874 10932 10981 11021 11056 11085 11111 36 x 42 9743 10508 11066 11480 11792 12031 12218 12367 12486 12583 12663 12729 12785 12833 12873 12908 36 x 48 10749 11670 12353 12867 13259 13563 13801 13991 14145 14270 14374 14460 14533 14595 14648 14694 36 x 54 11719 12793 13604 14220 14695 15065 15358 15592 15782 15938 16067 16175 16266 16344 16411 16468 36 x 60 13887 14824 15544 16104 16543 16892 17173 17401 17589 17746 17877 17987 18082 18163 18233 36 x 66 14957 16020 16845 17490 18000 18407 18736 19005 19227 19411 19566 19698 19810 19906 19990 36 x 72 17195 18125 18858 19440 19906 20285 20595 20851 21065 21245 21398 21529 21641 21739 36 x 80 18738 19808 20657 21336 21884 22330 22697 23001 23256 23470 23653 23809 23944 24061 36 x 84 20639 21547 22275 22864 23345 23741 24069 24345 24577 24775 24945 25091 25218
3
10.5414.0517.5621.0724.5828.0931.51035.01138.51242.01345.51449.01552.51656.01759.51863.01966.52070.0
Number of Tiers and Height in Inches (E)
CFM @
0.15” w.g.
Roof Vents
Selections to right of bold line suitable for intake (perimeter velocity 600 fpm or less).
Page 97
MODELS LEV AND LIV - LOUVERED EXHAUST/INTAKE VENTILATORS
Throat
Size
AxB
42 x 42 11812 12523 13059 13470 13788 14039 14239 14401 14533 14643 14734 14811 14877 14933 14981 42 x 48 13919 14581 15094 15496 15815 16072 16280 14651 16593 16713 16813 16899 16973 17036 42 x 54 15266 16056 16675 17164 17555 17871 18129 18342 18519 18668 18794 18902 18995 19075 42 x 60 18219 18797 19263 19641 19951 20208 20422 20603 20756 20888 21001 21099 42 x 66 19732 20402 20943 21385 21750 22052 22306 22520 22702 22858 22993 23110 42 x 72 21220 21981 22601 23109 23529 23879 24173 24422 24634 24816 24973 25110 42 x 80 24056 24781 25378 25874 26289 26639 26936 27189 27408 27596 27761 42 x 84 25081 25859 26502 27037 27485 27863 28185 28460 28696 28902 29080 42x96 29839 30492 31041 31507 31904 32245 32540 32795 33018 48 x 48 14363 15408 16221 16860 17366 17771 18099 18367 18589 18773 18929 19060 19173 19270 19353 48 x 54 16836 17801 18568 19182 19677 20081 20413 20688 20918 21113 21278 21420 21542 21647 48 x 60 18216 19333 20230 20953 21541 22023 22422 22754 23032 23268 23470 23642 23791 23921 48 x 66 20826 21852 22686 23369 23932 24399 24790 25119 25399 25638 25844 26021 26176 48 x 72 23441 24387 25166 25812 26350 26801 27183 27508 27786 28026 28234 28415 48 x 80 25518 26614 27523 28280 28914 29449 29903 30290 30623 30910 31160 31378 48 x 84 27712 28686 29499 30182 30760 31250 31670 32030 32342 32614 32851
Roof Vents
48 x 96 30957 32127 33111 33943 34649 35252 35770 36217 36605 36943 37240
48 x 108 36664 37646 38485 39203 39823 40359 40825 41233 41590
54 x 54 16913 18334 19474 20391 21133 21736 22232 22642 22984 23272 23515 23723 23901 24055 24189 54 x 60 19776 21088 22156 23027 23742 24333 24824 25236 25584 25880 26133 26351 26539 26703 54 x 66 22655 23872 24874 25702 26390 26966 27451 27862 28212 28512 28771 28996 29193 54 x 72 25548 26681 27623 28411 290723 29632 30108 30514 30864 31167 31430 31660 54 x 80 27732 29039 30134 31056 31834 32496 33060 33545 33963 34326 34642 34920 54 x 84 30199 31371 32360 33198 33911 34521 35045 35499 35892 36236 36537
54x96 35020 36212 37229 38100 38848 39495 40057 40546 40974 41351 54 x 108 39990 41187 42218 43108 43881 44553 45141 45657 46112 54 x 120 43709 45088 46280 47314 48214 49000 49689 50296 50831 54 x 144 54279 55603 56762 57780 58676 59468 60170
60 x 60 19442 21270 22774 24012 25032 25877 26580 27169 27664 28085 28444 28752 29018 29249 29450
60 x 66 22712 24405 25811 26981 27957 28774 29462 30045 30541 30965 31331 31648 31924 32165
60 x 72 25990 27563 28882 29989 30922 31711 32383 32957 33450 33876 34245 34568 34851
60 x 80 29839 31354 32637 33725 34652 35445 36125 36712 37221 37664 38052 38392
60 x 84 30955 32568 33938 35105 36101 36955 37689 38324 38875 39356 39777 40148
60 x 96 36136 37768 39169 40374 41413 42313 43095 43776 44373 44898 45361 60 x 108 41507 43142 44556 45784 46851 47783 48599 49316 49948 50507 60 x 120 47044 48669 50085 51322 52405 53357 54197 54938 55597 60 x 144 54693 56736 58529 60108 61499 62728 63817 64784 65646
66 x 66 26091 27684 29021 30145 31093 31896 32580 33164 33677 34101 34479 34808 35097
66 x 72 29502 31005 32278 33358 34277 35064 35740 36323 36828 37268 37654 37992
66 x 80 33578 35048 36305 37382 38308 39108 39801 40405 40932 41395 41803
66 x 84 34839 36406 37751 38908 39905 40768 41517 42171 42743 43245 43689
66x96 40395 42003 43398 44608 45663 46584 47390 48100 48726 49280 66 x 108 46148 47779 49205 50453 51548 52512 53363 54117 54786 66 x 120 50209 52077 53718 55161 56432 57555 58550 59434 60221 66 x 144 58147 60484 62553 64387 66014 67459 68747 69897 70925
72 x 72 29405 31380 33064 34501 35729 36781 37685 38465 39140 39728 40242 40692 41089
72 x 80 35728 37382 38806 40035 41098 42020 42822 43523 44138 44679 45157
72 x 84 37029 38792 40314 41632 42774 43768 44635 45393 46060 46648 47168
72x96 42920 44734 46318 47701 48912 49975 50910 51736 52467 53117 72 x 108 46927 49030 50877 52501 53932 55193 56309 57298 58177 58960 72 x 120 50843 53229 55338 57203 58853 60314 61612 62767 63796 64716 72 x 144 58476 61418 64043 66384 68471 70334 71999 73490 74826 76027
84 x 84 41219 43362 45236 46875 48310 49570 50677 51653 52516 53281 53962
84x96 49946 51903 53631 55158 56510 57708 58775 59725 60573 84 x 108 54497 56767 58785 60580 62177 63602 64875 66013 67035 84 x 120 61504 63809 65870 67714 69365 70846 72176 73374 84 x 144 70701 73569 76155 78487 80592 82492 84210 85765
3
10.5414.0517.5621.0724.5828.0931.51035.01138.51242.01345.51449.01552.51656.01759.51863.01966.52070.0
CFM @
0.15” w.g.
Number of Tiers and Height in Inches (E)
Selections to right of bold line suitable for intake (perimeter velocity 600 fpm or less).
Page 98
MODELS LEV AND LIV - LOUVERED EXHAUST/INTAKE VENTILATORS
Throat
Size
AxB
12 x 12 692 707 715 719 12 x 14 798 820 830 836 12 x 16 902 930 944 952 12 x 18 1003 1039 1058 1068 1074 12 x 20 1102 1147 1170 1183 1191 12 x 24 1296 1359 1392 1411 1423 12 x 30 1575 1670 1720 1749 1767 1779 12 x 36 1846 1974 2042 2083 2109 2126 12 x 42 2109 2272 2361 2414 2448 2470 12 x 48 2367 2566 2676 2742 2785 2813 14 x 14 918 948 963 971 977 980 14 x 16 1034 1074 1094 1106 1113 1117 14 x 18 1147 1198 1224 1239 1248 1254 14 x 20 1257 1320 1352 1371 1383 1390 1396 14 x 24 1471 1559 1606 1633 1650 1661 1669 14 x 30 1777 1907 1977 2019 2045 2063 2075 14 x 36 2071 2245 2341 2399 2437 2462 2479 2492 14 x 42 2355 2575 2699 2775 2824 2857 2880 2898 14 x 48 2633 2899 3053 3147 3208 3250 3280 3301 16 x 16 1162 1215 1242 1257 1267 1273 1278 1281 16 x 18 1286 1353 1387 1408 1420 1428 1434 1438 16 x 20 1406 1488 1531 1556 1572 1583 1590 1595 16 x 24 1637 1752 1814 1850 1873 1889 1900 1908 1913 16 x 30 1965 2133 2226 2282 2318 2343 2360 2372 2382 16 x 36 2278 2500 2628 2706 2757 2791 2816 2833 2847 16 x 42 2858 3022 3123 3190 3235 3268 3292 3309 3323 16 x 48 3208 3409 3535 3619 3676 3717 3747 3770 3788 18 x 18 1419 1504 1548 1574 1591 1602 1609 1615 1619 1622 18 x 20 1548 1651 1707 1739 1760 1774 1783 1790 1795 1799 18 x 24 1794 1937 2017 2064 2094 2114 2129 2139 2147 2153 2157 18 x 30 2141 2348 2467 2539 2586 2618 2641 2657 2670 2679 2687 18 x 36 2469 2742 2904 3004 3070 3115 3147 3171 3188 3202 3213 18 x 42 3124 3329 3460 3546 3606 3648 3680 3704 3722 3737 3748 18 x 48 3496 3747 3908 4017 4092 4146 4186 4216 4240 4258 4273 18 x 54 4158 4351 4482 4574 4640 4689 4726 4755 4778 4796 20 x 20 1684 1810 1879 1920 1946 1963 1975 1984 1991 1996 2000 2003 20 x 24 1944 2117 2215 2274 2312 2338 2356 2369 2379 2386 2392 2397 20 x 30 2307 2555 2700 2791 2850 2890 2919 2940 2956 2968 2977 2985 2991 20 x 36 2972 3169 3293 3376 3433 3474 3504 3527 3544 3558 3569 3579 20 x 42 3374 3624 3785 3893 3968 4022 4063 4093 4117 4136 4151 4163 4173 20 x 48 3765 4068 4267 4402 4497 4566 4617 4656 4686 4710 4729 4745 4758 20 x 54 4504 4742 4905 5021 5104 5167 5215 5252 5282 5306 5325 5341 24 x 24 2461 2599 2684 2739 2777 2804 2824 2839 2851 2860 2867 2873 2878 24 x 30 2945 3148 3277 3363 3422 3465 3497 3521 3539 3554 3566 3575 3583 24 x 36 3401 3672 3849 3969 4053 4114 4159 4193 4220 4241 4258 4272 4284 4293 24 x 42 4176 4404 4560 4671 4752 4812 4858 4894 4923 4946 4965 4981 4994 24 x 48 4666 4945 5140 5279 5381 5458 5517 5563 5600 5629 5654 5674 5691 5705 24 x 54 5145 5476 5710 5878 6003 6097 6170 6227 6272 6309 6339 6364 6385 6403 24 x 60 5615 5999 6272 6471 6619 6731 6818 6887 6941 6986 7022 7052 7077 7099 30 x 30 3485 3778 3971 4103 4197 4264 4315 4353 4383 4407 4426 4442 4455 4466 4475 30 x 36 3985 4370 4632 4815 4946 5042 5115 5170 5214 5248 5276 5299 5318 5334 5348 30 x 42 4933 5266 5503 5675 5802 5899 5974 6032 6079 6117 6149 6175 6196 6215 6230 30 x 48 5475 5880 6172 6387 6547 6670 6765 6841 6901 6950 6991 7024 7053 7076 7097 30 x 54 6001 6477 6826 7085 7280 7430 7548 7641 7716 7776 7827 7869 7904 7934 7959 30 x 60 7062 7468 7772 8003 8181 8322 8433 8523 8597 8657 8708 8751 8787 8818 8845 30 x 66 7636 8099 8449 8717 8925 9089 9219 9325 9412 9483 9543 9594 9637 9674 9705 30 x 72 8722 9119 9423 9661 9849 10000 10122 10222 10305 10375 10434 10484 10526 10563 36 x 36 4517 5016 5367 5619 5802 5939 6042 6123 6186 6237 6278 6312 6340 6363 6383 6400 6415 36 x 42 5625 6067 6389 6628 6808 6946 7054 7140 7209 7265 7311 7349 7382 7409 7432 7453 36 x 48 6206 6737 7132 7429 7655 7830 7968 8078 8166 8239 8299 8348 8391 8426 8457 8483 36 x 54 6766 7386 7854 8210 8484 8698 8867 9002 9112 9202 9276 9339 9391 9436 9475 9508 36 x 60 8018 8559 8975 9297 9551 9753 9915 10047 10155 10245 10321 10385 10440 10486 10527 36 x 66 8635 9249 9725 10098 10392 10628 10817 10973 11101 11207 11297 11372 11437 11493 11541 36 x 72 9928 10465 10887 11233 11493 11712 11891 12039 12162 12266 12354 12430 12495 12551 36 x 80 10818 11436 11926 12318 12635 12892 13104 13280 13427 13551 13656 13746 13824 13892
36 x 84 11916 12440 12861 13201 13478 13707 13896 14055 14190 14304 14402 14486 14560
3
10.5414.0517.5621.0724.5828.0931.51035.01138.51242.01345.51449.01552.51656.01759.51863.01966.52070.0
Number of Tiers and Height in Inches (E)
CFM @
0.05” w.g.
Selections to right of bold line suitable for intake (perimeter velocity 600 fpm or less).
Page 99
Roof Vents
MODELS LEV AND LIV - LOUVERED EXHAUST/INTAKE VENTILATORS
Throat
Size
AxB
42 x 42 6820 7230 7540 7777 7961 8105 8221 8314 8391 8454 8507 8551 8589 8622 8650
42 x 48 8036 8419 8715 8947 9131 9279 9399 9498 9580 9649 9707 9757 9799 9836
42 x 54 8814 9270 9627 9910 10135 10318 10467 10590 10692 10778 10851 10913 10967 11013
42 x 60 10519 10853 11121 11340 11519 11667 11791 11895 11984 12060 12125 12181
42 x 66 11392 11779 12092 12347 12557 12732 12878 13002 13107 13197 13275 13343
42 x 72 12251 12691 13049 13342 13584 13786 13956 14100 14222 14327 14418 14497
42 x 80 13889 14307 14652 14938 15178 15380 15551 15698 15824 15933 16028
42 x 84 14481 14930 15301 15610 15868 16087 16272 16431 16568 16686 16789
42x96 17227 17604 17922 18191 18420 18617 18787 18934 19063
48 x 48 8293 8896 9365 9734 10026 10260 10450 10604 10732 10839 10929 11005 11069 11125 11174
48 x 54 9720 10278 10720 11075 11361 11594 11785 11944 12077 12189 12285 12367 12437 12498
48 x 60 10517 11162 11680 12097 12437 12715 12945 13137 13298 13434 13550 13650 13736 13811
48 x 66 12024 12616 13098 13492 13817 14087 14313 14503 14664 14802 14921 15023 15113
48 x 72 13534 14080 14530 14902 15213 15474 15694 15882 16042 16181 16301 16405
48 x 80 14733 15366 15890 16327 16693 17002 17264 17488 17680 17846 17990 18116
48 x 84 16000 16562 17031 17426 17759 18042 18285 18493 18673 18830 18966
Roof Vents
48 x 96 17873 18548 19116 19597 20005 20353 20652 20910 21134 21329 21500 48 x 108 21168 21735 22219 22634 22992 23301 23570 23806 24012
54 x 54 9765 10585 11243 11773 12201 12550 12836 13072 13270 13436 13576 13696 13799 13888 13966
54 x 60 11417 12175 12792 13295 13707 14049 14332 14570 14771 14942 15088 15213 15322 15417
54 x 66 13080 13782 14361 14839 15237 15569 15849 16086 16288 16461 16611 16741 16855
54 x 72 14750 15404 15948 16403 16785 17108 17383 17617 17819 17994 18146 18279
54 x 80 16011 16766 17398 17930 18380 18761 19087 19367 19609 19818 20001 20161
54 x 84 17436 18112 18683 19167 19578 19931 20233 20495 20723 20921 21095
54x96 20219 20907 21494 21997 22429 22803 23127 23409 23656 23874 54 x 108 23088 23779 24374 24889 25334 25723 26062 26360 26623 54 x 120 25235 26032 26720 27317 27836 28290 28688 29038 29347 54 x 144 31338 32103 32772 33359 33876 34334 34739
60 x 60 11225 12280 13149 13863 14452 14940 15346 15686 15972 16215 16422 16600 16753 16887 17003
60 x 66 13113 14090 14902 15577 16141 16613 17010 17346 17633 17878 18089 18272 18431 18570
60 x 72 15005 15914 16675 17314 17853 18309 18696 19028 19312 19558 19772 19958 20121
60 x 80 17227 18102 18843 19471 20006 20464 20857 21196 21490 21745 21969 22166
60 x 84 17872 18803 19594 20268 20843 21336 21760 22126 22445 22722 22965 23179
60 x 96 20863 21805 22614 23310 23910 24429 24881 25274 25619 25922 26189 60 x 108 23964 24908 25725 26433 27050 27588 28059 28472 28837 29160 60 x 120 27161 28099 28916 29631 30256 30806 31290 31719 32099 60 x 144 31577 32756 33792 34703 35506 36216 36845 37403 37901
66 x 66 15064 15983 16755 17404 17952 18415 18810 19147 19438 19688 19906 20096 20263
66 x 72 17033 17901 18635 19259 19790 20244 20634 20971 21263 21517 21739 21935
66 x 80 19387 20235 20960 21582 22117 22579 22979 23328 23632 23899 24135
66 x 84 20114 21019 21796 22463 23039 23537 23970 24347 24677 24968 25224
66x96 23322 24251 25056 25755 26363 26895 27361 27771 28132 28452 66 x 108 26643 27585 28409 29129 29762 30318 30809 31244 31630 66 x 120 28988 30067 31014 31847 32581 33230 33804 34314 34768 66 x 144 33571 34921 36115 37174 38113 38948 39691 40355 40949
72 x 72 16977 18117 19090 19919 20628 21235 21757 22208 22598 22937 23234 23494 23723
72 x 80 20627 21582 22405 23114 23728 24260 24723 25128 25483 25795 26072
72 x 84 21379 22396 23275 24036 24696 25269 25770 26208 26593 26932 27232
72x96 24780 25827 26741 27540 28239 28853 29393 29870 30292 30667 72 x 108 27093 28307 29374 30312 31137 31866 32510 33081 33588 34040 72 x 120 29354 30732 31950 33026 33979 34823 35572 36238 36833 37364 72 x 144 33761 35460 36975 38327 39532 40607 41569 42429 43201 43894
84 x 84 23798 25035 26117 27063 27892 28619 29258 29822 30320 30762 31155
84x96 28836 29966 30964 31845 32626 33318 33934 34482 34972 84 x 108 31464 32774 33939 34976 35898 36721 37455 38113 38702 84 x 120 35509 36840 38030 39094 40048 40903 41671 42362 84 x 144 40819 42475 43968 45315 46530 47627 48619 49516
3
10.5414.0517.5621.0724.5828.0931.51035.01138.51242.01345.51449.01552.51656.01759.51863.01966.52070.0
CFM @
0.05” w.g.
Number of Tiers and Height in Inches (E)
Selections to right of bold line suitable for intake (perimeter velocity 600 fpm or less).
For more information on this product call your sales support.
Page 100
Loading...
Buy Points How it Works FAQ Contact Us Questions and Suggestions Privacy Policy Cookie Policy Terms of Use