10
Twin City IM-4050
Dimensions and Weights
Models DCRU/DCRUR
MODEL
DAMPER
SIZE
CANTED
CURB SIZE
SELF FLASH
CURB SIZE
BCRU
BCRUR
110B
110B
18 x 18
22
1
⁄
2
x 22
1
⁄
2
23
1
⁄
2
x 23
1
⁄
2
120B
120B
18 x 18
22
1
⁄
2
x 22
1
⁄
2
23
1
⁄
2
x 23
1
⁄
2
140B
140B
18 x 18
22
1
⁄
2
x 22
1
⁄
2
23
1
⁄
2
x 23
1
⁄
2
160B
160B
18 x 18
22
1
⁄
2
x 22
1
⁄
2
23
1
⁄
2
x 23
1
⁄
2
180B
180B
24 x 24
28
1
⁄
2
x 28
1
⁄
2
29
1
⁄
2
x 29
1
⁄
2
210B
210B
28 x 28
32
1
⁄
2
x 32
1
⁄
2
33
1
⁄
2
x 33
1
⁄
2
240B
240B
28 x 28
32
1
⁄
2
x 32
1
⁄
2
33
1
⁄
2
x 33
1
⁄
2
300B
300B
34 x 34
38
1
⁄
2
x 38
1
⁄
2
39
1
⁄
2
x 39
1
⁄
2
360B
360B
40 x 40
44
1
⁄
2
x 44
1
⁄
2
45
1
⁄
2
x 45
1
⁄
2
420B
—
46 x 46
50
1
⁄
2
x 50
1
⁄
2
51
1
⁄
2
x 51
1
⁄
2
480B
—
50 x 50
56
1
⁄
2
x 56
1
⁄
2
57
1
⁄
2
x 57
1
⁄
2
MODEL
A
B
C
E
AVG. SHIP
WT. (LB.)
BCRU
BCRUR
110B
110B
30.00
28.56
28.00
24.00
96
120B
120B
30.00
27.19
28.00
24.00
99
140B
140B
30.00
27.68
28.00
24.00
110
160B
160B
30.00
29.81
28.00
24.00
116
180B
180B
36.00
32.31
30.00
30.00
139
210B
210B
45.00
35.61
28.25
34.00
157
240B
240B
45.00
37.56
28.25
34.00
169
300B
300B
54.00
38.25
31.00
40.00
266
360B
360B
63.00
43.88
34.00
46.00
391
420B
—
69.00
46.75
36.00
52.00
478
480B
—
75.00
49.13
39.00
58.00
523
MODEL
DAMPER
SIZE
CANTED
CURB SIZE
SELF FLASH
CURB SIZE
DCRU
DCRUR
071B-073B 071B-073B
10 x 10
15
1
⁄
2
x 15
1
⁄
2
16
1
⁄
2
x 16
1
⁄
2
081B-083B 081B-083B
10 x 10
15
1
⁄
2
x 15
1
⁄
2
16
1
⁄
2
x 16
1
⁄
2
091B-093B 091B-093B
14 x 14
18
1
⁄
2
x 18
1
⁄
2
19
1
⁄
2
x 19
1
⁄
2
110B
110B
18 x 18
22
1
⁄
2
x 22
1
⁄
2
23
1
⁄
2
x 23
1
⁄
2
120B
120B
18 x 18
22
1
⁄
2
x 22
1
⁄
2
23
1
⁄
2
x 23
1
⁄
2
140B
140B
18 x 18
22
1
⁄
2
x 22
1
⁄
2
23
1
⁄
2
x 23
1
⁄
2
160B
160B
18 x 18
22
1
⁄
2
x 22
1
⁄
2
23
1
⁄
2
x 23
1
⁄
2
180B
180B
24 x 24
28
1
⁄
2
x 28
1
⁄
2
29
1
⁄
2
x 29
1
⁄
2
MODEL
A
B
C
E
AVG. SHIP
WT. (LB.)
DCRU
DCRUR
071B-073B 071B-073B
22.00
24.44
18.00
17.00
100
081B-083B 081B-083B
22.00
24.44
18.00
17.00
100
091B-093B 091B-093B
22.00
26.13
18.00
20.00
120
110B
110B
31.00
28.31
28.00
24.00
135
120B
120B
31.00
27.19
28.00
24.00
135
140B
140B
31.00
27.68
28.00
24.00
145
160B
160B
31.00
29.81
28.00
24.00
180
180B
180B
37.00
29.17
30.00
30.00
180
ROOF OPENING
(DAMPER SIZE + 0.50 INCHES)
DAMPER
(DCRU ONLY)
CURB
2.00
B
E SQUARE
CURB SIZE
A DIA.
C
Models BCRU/BCRUR/BCRUSH
ROOF OPENING
(DAMPER SIZE + 0.50 INCHES)
DAMPER
CURB
2.00
B
E SQUARE
CURB SIZE
A DIA.
C
(BCRU ONLY)
Notes:
1. Self-flashing, vented restaurant curbs are sized the same as canted
curbs (for use with hinge).
2. Dampers are not to be used with restaurant fans.
Notes:
1. Self-flashing, vented restaurant curbs are sized the same as canted
curbs (for use with hinge).
2. Dampers are not to be used with restaurant fans.