Owner's manual
15
SFD Direct Drive
H
G
F
L
A
K
J
M
P
N
C
EE
D
B
H
DIMENSIONAL DATA
Model
SFD
ABCDEFGHJKLMNP
Max. Motor
Frame Size
*Unit
Weight
6
7
3
⁄8
(187)
5
1
⁄4
(133)
16
(406)
11
(279)
5/8
(16)
14
11
⁄16
(373)
8
3
⁄16
(208)
1
1
⁄16
(27)
9
1
⁄16
(230)
6
(152)
1
1
⁄4
(32)
7/8
(22)
11
1
⁄4
(286)
5
3
⁄16
(132)
56
30
(14)
7.5
9
(229)
5
1
⁄4
(133)
18
1
⁄16
(459)
12
1
⁄4
(311)
5/8
(16)
14
5
⁄16
(364)
8
1
⁄8
(206)
1
1
⁄16
(27)
9
5
⁄8
(244)
8
(203
1
1
⁄4
(32)
1
1
⁄8
(29)
13
11
⁄16
(348)
6
3
⁄8
(162)
56
40
(18)
9
10
1
⁄8
(257)
6
1
⁄4
(159)
20
5
⁄16
(516)
13
3
⁄4
(349)
5/8
(16)
17
7
⁄8
(454)
10
3
⁄8
(264)
1
1
⁄16
(27)
10
3
⁄4
(273)
10
(254)
1
1
⁄4
(32)
1
3
⁄8
(35)
15
13
⁄16
(402)
7
7
⁄16
(189)
145T
75
(34)
10
12
1
⁄8
(308)
6
3
⁄4
(171)
24
5
⁄16
(618)
16
1
⁄4
(413)
9/16
(14)
19
3
⁄8
(492)
11
3
⁄8
(289)
1
1
⁄16
(27)
12
3
⁄4
(324)
12
(305)
1
1
⁄4
(32)
1
3
⁄8
(35)
18
5
⁄8
(473)
8
1
⁄2
(216)
184T
113
(51)
All dimensions in inches (millimeters) and weight in pounds (kilograms). *Approximate unit weight with largest frame size motor (60 Hz).
Model
Number
Motor
HP
Fan
RPM
Static Pressure in Inches wg
0.125 0.25 0.375 0.5 0.75 1 1.25 1.5 2 2.5
SFD-6-6B 1/6 1140
CFM 407 338 232
BHP 0.06 0.05 0.03
Sones 6.7 6.0 4.7
SFD-6-4A 1/4 1725
CFM 667 628 585 541 424
BHP 0.24 0.22 0.20 0.17 0.13
Sones 13.6 12.8 12.3 11.7 10.5
SFD-7.5-6B 1/6 1140
CFM 672 612 549 467
BHP 0.16 0.14 0.13 0.10
Sones 10.6 9.8 9.4 8.6
SFD-7.5-5A 1/2 1725
CFM 1062 1028 988 949 869 775 636
BHP 0.59 0.56 0.53 0.50 0.46 0.38 0.30
Sones 20 18.6 16.8 15.8 14.1 12.7 11.3
SFD-9-4C 1/4 860
CFM 839 748 645 487
BHP 0.18 0.15 0.12 0.09
Sones 9.2 7.8 7.0 6.6
SFD-9-5B 1/2 1140
CFM 1159 1097 1028 957 782
BHP 0.46 0.42 0.38 0.34 0.26
Sones 16.1 14.9 14.3 13.6 12.3
SFD-9-15A 1
1
⁄2 1725
CFM 1806 1765 1725 1683 1595 1502 1407 1298 989
BHP 1.64 1.59 1.54 1.48 1.36 1.24 1.13 1.01 0.70
Sones 31 29 28 27 25 22 21 21 19.3
SFD-10-3C 1/3 860
CFM 1259 1176 1085 965
BHP 0.36 0.32 0.29 0.25
Sones 12.3 11.3 10.0 9.2
SFD-10-7B 3/4 1140
CFM 1713 1653 1592 1528 1378 1163
BHP 0.86 0.82 0.77 0.72 0.64 0.52
Sones 19.4 18.5 17.6 17.0 15.7 13.9
SFD-10-30A 3 1725
CFM 2641 2603 2564 2525 2444 2362 2275 2179 1942 1621
BHP 3.03 2.98 2.93 2.87 2.73 2.60 2.44 2.32 2.01 1.62
Sones 39 37 36 35 33 31 30 29 27 25
Performance certified is for installation Type B - Free inlet, Ducted outlet. Performance ratings do not include the effects of appurtenances (accessories). The AMCA
Certified Ratings Seal applies to air performance only.
Motor RPM (Direct Drive only)
A = 1725 D = 1550
B = 1140 E = 1050
C = 860 G = 1300
International
(See CAPS for performance)
K
= 950 RPM J = 1475 RPM