Specification Sheet

399
Size 20
MODEL TDB
BELT DRIVE TUBEAXIAL DUCT FAN
HP RPM
Static Pressure (Inches W.G.)
0 0.125 0.25 0.375 0.5 0.625 0.75 0.875 1 1.125
CFM BHP CFM BHP CFM BHP CFM BHP CFM BHP CFM BHP CFM BHP CFM BHP CFM BHP CFM BHP
1/3
1050 3404 0.23 2933 0.25 - - - - - - - - - - - - - - - -
1100 3566 0.26 3119 0.29 - - - - - - - - - - - - - - - -
1125 3647 0.28 3211 0.31 2701 0.33 - - - - - - - - - - - - - -
1150 3728 0.30 3302 0.33 2812 0.35 - - - - - - - - - - - - - -
1/2
1175 3809 0.32 3393 0.35 2921 0.37 - - - - - - - -
- - - - - -
1225 3971 0.36 3573 0.39 3132 0.42 - - - - - - - - - - - - - -
1275 4133 0.40 3751 0.44 3336 0.47 2813 0.49 - - - - - - - - - - - -
1300 4214 0.43 3840 0.46 3436 0.49 2940 0.52 - - - - - - - - - - - -
3/4
1325 4295 0.45 3929 0.49 3535 0.52 3062 0.55 - - - - - - - - - - - -
1375 4457 0.51 4104 0.54 3730 0.58 3295 0.61 2692 0.62 - - - - - - - - - -
1400 4539 0.53 4192 0.57 3826 0.61 3407 0.64 2848 0.66 - - - - - - - - - -
1450
4701 0.59 4366 0.63 4017 0.67 3624 0.70 3131 0.73 - - - - - - - - - -
1
1525 4944 0.69 4626 0.73 4297 0.77 3938 0.81 3512 0.84 - - - - - - - - - -
1575 5106 0.76 4799 0.80 4482 0.84 4140 0.88 3747 0.91 3242 0.93 - - - - - - - -
1625 5268 0.84 4971 0.88 4665 0.92 4339 0.96 3971 1.00 3522 1.02 - - - - - - - -
1675 5430 0.92 5142 0.96 4846 1.00 4534 1.04 4188 1.08 3779 1.11 3238 1.13 - - - - - -
1 1/2
1700 5511 0.96 5227 1.00 4936 1.05 4630 1.09 4294 1.13 3902 1.16 3398 1.18 - - - - - -
1775 5754 1.09 5483 1.13 5205 1.18
4916 1.23 4604 1.27 4253 1.31 3830 1.33 3259 1.34 - - - -
1850 5997 1.23 5737 1.28 5472 1.33 5197 1.38 4906 1.42 4585 1.46 4215 1.50 3755 1.51 - - - -
1925 6240 1.39 5990 1.44 5736 1.49 5475 1.54 5200 1.59 4903 1.63 4570 1.67 4179 1.70 3678 1.71 - -
2
1950 6322 1.44 6075 1.49 5824 1.55 5566 1.60 5296 1.64 5006 1.69 4684 1.73 4310 1.76 3842 1.78 - -
2000 6484 1.56 6243 1.61 5999 1.66 5749 1.71 5488 1.76 5211 1.81 4907 1.85 4561 1.89 4146 1.91 - -
2050 6646 1.68 6411 1.73 6173 1.78 5930 1.84 5678 1.89 5412 1.94 5123 1.98 4801 2.02 4425 2.05 3956 2.06
2075 6727 1.74 6495 1.79 6260 1.85 6020 1.90 5772 1.95 5511 2.00 5229
2.05 4917 2.09 4558 2.12 4118 2.14
Standard 705
R
®
AIR
MOVEMENT
AND CONTROL
ASSOCIATION
INTERNATIONAL, INC.
AIR
PERFORMANCE
SOUND
and
S&P USA Ventilation Systems, LLC., Div. of
Soler & Palau Ventilation Group certies that
the Models TDB shown herein are licensed to
bear the AMCA Seal. The ratings shown are
based on test and procedures performed in
accordance with AMCA Publication 211 and
AMCA Publication 311 and comply with the
requirement of the AMCA Certied Ratings
Program.
Performance certied is for installation type A - free inlet, free outlet.
Performance ratings do not include the effects of appurtenances (accessories).
Power rating (BHP) does not include transmission losses.
Max. Motor Frame: 184T
Shaft Size: 1"
Housing Gauge: 14
Approximate Weight: 150 lbs.
Flange Holes: 8
Diameter Flange Holes: 7/16”
Finish: Epoxy Coated
Galvanized
A B C D E B.C.D.
20-3/8 24-1/2 22 18-3/8 26-1/2 21-3/4
A: ID B: OD C: Length E: Max. Height
D
D
E
A
B
B.C.D.
.436
Dia.
C
Front View
Side View
Air Flow