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Direct Drive Roof Ventilators
• Cast Aluminum blades on most models
• Totally enclosed and explosion proof motors
• 1-Phase motors are field convertible 115V/230V
• 3-Phase motors are field convertible 230V/460V
• Motors are set to lower voltage at the factory unless a request is
made at time of order to set them to the higher voltage
• Explosion proof motors are Class 1, Div 1, Group D and Class 2,
Div 1, Groups F & G
• Wind band is 18 gauge galvanized steel
• Rubber shim under dampers for better seal
• Size of roof opening to be 6” larger than fan size
• Some models available with low R.P.M. motor for quieter operation
• 1 year limited warranty
Features
• Protective coating.
• Prefabricated curbs
• Disconnect switch
Options
Standard Models
Dimensions
SIZE
MINIMUM ROOF
HOLE SIZE (SQUARE)
WIND BAND
OUTER DIMENSION
ROOF CURB
OUTER DIMENSION (SQUARE)
WIND BAND HEIGHT
18”
28”
24”
33”
16”
24”
34”
30”
39”
19”
30”
40”
36”
45”
22”
36”
46”
42”
51”
25”
42”
52”
48”
57”
27”
48”
58”
54”
63”
30”
60”
70”
66”
75”
42”
Note: Products listed in this section are custom built and subject to 100% cancellation/restocking charges.
BLADE
SIZE
1-PHASE
115/230V
3-PHASE
230/460v
HP RPM
C.F.M - STATIC PRESSURE
Db’s
@ 10’
WT.
(LBS)
LIST
TEC
EXP
MFG MODEL NUMBER
0”
1/8”
1/4”
1/2”
1 PH 3 PH 1 PH 3 PH
18”
UED18-1/4
UED18-1/4-3 1/4 1140 2570 2263 1673 854 66 170
4638 4656 4951 5220
UED18-1/3
UED18-1/3-3 1/3 1725 3375 3000 2600 1400 75 175
4290 4283 4958 5102
UED18-1/2
UED18-1/2-3 1/2 1725 4133 3938 3724 3132 76 180
4407 4388 5081 5206
UED18-1
UED18-1-3
1 1725 4600 4375 4080 3000 77 190
4912 4806 5599 5651
24”
UED24-1/4
UED24-1/4-3 1/4 1725 5200 4200 2820
----
75 240
4799 4821 5115 5383
UED24-3/4
UED24-3/4-3 3/4 1140 6900 6450 6265 3300 76 260
5810 5573 6476 6424
UED24-1
UED24-1-3
1 1725 7425 7000 6350 5000 83 280
5239 5147 5932 5997
------
UED24-3-3
3 1725 10500 9800 9500 8700 85 295
----
5527 ----
6568
30”
UED30-3/4
UED30-3/4-3 3/4 1140 10440 9750 8750 6000 79 310
6083 5683 6751 6706
------
UED30-1-3
1 870 10800 10100 9100 6360 74 330
----
6607 ----
----
UED30-1 1/2 UED30-1 1/2-3 1.5 1140 10410 9686 8834 6420 81 325
8413 6228 ----
7092
UED30-2
UED30-2-3
2 1140 14000 13750 12900 10450 82 335
10142 6378 ----
7301
------
UED30-3-3
3 1725 16000 15350 14700 12900 89 335
----
5822 ----
6870
36”
UED36-2
UED36-2-3
2 1140 17620 16500 15200 12300 84 430
11281 7557 ----
8479
------
UED36-3-3
3 1140 20500 19500 18500 15850 85 455
----
8014 ----
9528
------
UED36-5-3
5 1140 22600 21700 20500 19000 87 465
----
8552 ----
10260
42”
UED42-2
UED42-2-3
2 1140 17964 17277 15326 12351 88 500
12047 8340 ----
9259
------
UED42-5-3
5 1140 28970 27960 26840 24200 89 500
----
9297 ----
11001
48”
------
UED48-3-3
3 1140 28600 26500 24400 20000 92 550
----
10037 ----
11052
------
UED48-5-3
5 870 33000 31500 29750 25300 86 665
----
11981 ----
----
------
UED48-7 1/2-3 7.5 1140 37000 35100 32800 28000 94 740
----
12035 ----
14208
------
UED48-10-3 10 1140 41000 39200 38300 35400 95 875
----
12669 ----
14981
60”
------
UED60-5-3
5 870 45200 41500 37000 26000 90 940
----
15832 ----
----
------
UED60-7 1/2-3 7.5 870 47000 45500 43600 38700 92 950
----
16937 ----
----
------
UED60-10-3 10 690 54000 51900 49000 43200 87 960
----
28637 ----
----