93
15.00
5.00
3.00
4.00
TOP VIEW
FACE VIEW
(BLADES SHOWN OPEN)
E1
E2
D2
D1
B
OD OF FRAME
(NOT
INCLUDING FLANGE)
A1
O.D. OF FRAME
(NOT INCLUDING FLANGE)
A2
O.D. OF FRAME
(NOT INCLUDING FLANGE)
PREMIUM
DAMPER
AIR
MEASUREMENT
DAMPER
7/32" DIA. HOLES at 8" C-C
WITH RANDOM START POINT
a39-4304
SIZES 03-21
LEGEND
NOTE: A1, A2, and B dimensions are actual to O.D. of damper frames not including flanges.
Fig. 37 —
AMS Damper Dimensions
39M UNIT
SIZE
DIMENSIONS (in.)
AMS LOW
LIMIT
(CFM)
AMS HIGH
LIMIT
(CFM)
A1
A2
B
D1
D2
E1
E2
03W
14.00
11.75
10.75
7.17
6.69
11.72
9.50
336
2,100
06W
23.25
15.50
14.00
11.48
10.59
20.97
13.25
836
4,200
07T
19.05
12.70
20.00
17.48
16.59
16.77
10.45
1018
6,107
08W
28.05
18.70
14.00
11.48
10.59
25.77
16.45
1,040
5,600
09T
20.85
13.90
20.00
17.48
16.59
18.57
11.65
1,127
6,763
10W
35.85
23.90
14.00
11.48
10.59
33.57
21.65
1,332
7,000
11T
22.65
15.10
26.00
23.48
22.59
20.37
12.85
1,661
9,964
12T
24.45
16.30
26.00
23.48
22.59
22.17
14.05
1,807
10,845
12W
35.85
23.90
14.00
11.48
10.59
33.57
21.65
1,332
8,400
14W
38.85
25.90
16.75
14.23
13.34
36.57
23.65
1,733
9,800
16T
26.25
17.50
26.00
23.48
22.59
23.97
15.25
1,954
11,725
17W
43.05
28.70
16.75
14.23
13.34
40.77
38.52
1,943
11,900
18T
28.05
18.70
26.00
23.48
22.59
25.77
16.45
2,101
12,606
22T
31.65
21.10
32.00
29.48
28.59
29.37
18.85
3,006
18,038
21W
43.05
28.70
20.00
17.48
16.59
40.77
26.45
2,320
14,700
AMS
—
Air Measuring Station
