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Greenheck FD-300 Manual page 2

Static rated fire dampers

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FD-300 Types A & B
SIZING DATA
Ultra thin FD-300 models are normally supplied in
single section sizes only.
Vertical Mount Only
Inches (mm)
Type A
Minimum
4 x 4
(102 x 102)
Maximum
48 x 48
(1219 x 1219)
T ype A - Maximum Dimensions
48 in.(1219mm)
max.
Type B - Maximum Dimensions
48 in.(1219mm)
max.
Type B2
1 1/2 in.
(38mm)
Varies
K dim.
Sleeve Length
Varies
Type B or B2
4 x 3
(102 x 76)
48 x 40
(1219 x 1016)
48 in. (1219mm)
max.
40 in. (1016mm)
max.
1 1/2 in.
(38mm)
Overall Damper and Blade Stack Dimensions
W*
TYPE A
H*
O*
3 (76)
5 (127)
4 (102)
6 (152)
5 (127)
7 (178)
6 (152)
8 (203)
7 (178)
9 (229)
8 (203)
10 (254)
9 (229)
11 (279)
10 (254)
12 (305)
11 (279)
14 (356)
12 (305)
15 (381)
13 (330)
16 (406)
14 (356)
17 (432)
15 (381)
18 (457)
16 (406)
20 (508)
17 (432)
21 (533)
18 (457)
22 (559)
19 (483)
23 (584)
20 (508)
24 (610)
21 (533)
26 (660)
* Dimension are in inches (mm). These dimensions are
furnished approximately 1/4 in. (6mm) undersize.
H*
W*
TYPE B
W*
Type B2
H*
O*
22 (559)
27 (686)
23 (584)
28 (711)
24 (610)
29 (737)
25 (635)
30 (762)
26 (660)
32 (813)
27 (686)
33 (838)
28 (711)
34 (864)
29 (737)
35 (889)
30 (762)
36 (914)
31 (787)
38 (965)
32 (813)
39 (991)
33 (838)
40 (1016)
34 (864)
41 (1041)
35 (889)
42 (1067)
36 (914)
44 (1118)
37 (940)
45 (1143)
38 (965)
46 (1168)
39 (991)
47 (1194)
40 (1016)
48 (1219)
Copyright © 2009 Greenheck Fan Corporation
FD-300 Rev. 6 Sept 2009
O*
H*
O*
H*

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