Specification Sheet

423
PERFORMANCE & DIMENSIONS
Sizes 12 and 16
Model HP
Nominal
RPM
Max
Watts
Static Pressure (Inches W.G.)
Sones
@ 5 ft
0 0.125 0.25 0.375 0.5 0.625 0.75 0.875 1 1.25
CFM
12
1/4 1140 200 855 - - - - - - - - - 15.9
1/4 1725 210 1330 1215 - - - - - - - - 17
1/3 1725 275 1545 1420 - - - - - - - - 17
16
1/3 1140 218 2220 1965 - - - - - - - - 16.1
1/2 1725 415 3000 2805 2551 2207 - - - - - - 19.5
3/4 1725 615 3341 3200 3024 2801 2445 - - - - - 22.4
18
1/3 1140 260 3160 2715 - - - - - - - - 16.3
1/2 1140 355 3500 3191 2667 - - - - - - -
17.8
1 1725 742 4709 4458 4167 3790 3305 - - - - - 22.6
1-1/2 1725 1025 5326 5147 4950 4703 4364 3875 - - - - 25.1
20
1/4 1725 185 1713 1249 733 - - - - - - - 23
1/3 1725 251 1835 1578 1281 990 726 - - - - - 29.3
1/2 1725 351 2451 2208 1915 1584 1275 1002 752 - - - 28.2
3/4 1725 603 4469 4160 3818 3423 2775 - - - - - 23.2
1 1725 805 4877 4611 4361 3995 3487 2617 - - - - 24.2
24
1/4 1140 219 2777 - - - - - - - - - 17.5
1/3 1140 278 4711 3876 - - - - - - - - 18.1
3/4 1140 620 6562 5996
5312 3583 - - - - - - 21.5
1-1/2 1725 1155 7812 7304 6775 6084 5013 3777 - - - - 25.9
2 1725 1273 8967 - - - - - - - - - 32.3
3 1725 2536 9982 9659 9324 8951 8481 7980 6674 4395 3383 - 31.3
Size A B C* B.C.D.
12 12-3/8 15 12 13-1/2
16 16-3/8 18-7/8 16-1/2 17-3/8
18 18-3/8 22-1/2 22 19-3/4
20 20-3/8 24-1/2 22 21-3/4
24 24-3/8 28-5/8 23 25-3/4
A: ID B: OD C: Length (*motor may extend past unit)
12 16 18 20 24
Max. Motor Frame: 56 56 145T 145T 213T
Housing Gauge: 16 16 14 14 12
Approx. Weight: 90 108 150 178 273
Flange Holes: 6 8 8 8 8
Diameter Flange Holes: 7/16"
Finish: Epoxy Coated Galvanized
MODEL TDD
DIRECT DRIVE TUBEAXIAL DUCT FAN
B A
.438
B.C.D.
C
Front View Side View
A B
.438
B.C.D.
C
Front View Side View
Sizes 18, 20 and 24
Standard 705
Performance certied is for installation type A: free inlet, free outlet. Performance
ratings do not include the effects of appurtenances (accessories). The AMCA Certied
Ratings Seal applies to air performance ratings only. Speed (rpm or rps) shown is
nominal. Performance is based on actual speed of test.
Sound data is calculated and should be used as a guideline only.
S&P USA Ventilation Systems, LLC.,
Div. of Soler & Palau Ventilation
Group certies that the Models TDD
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 comply with the
requirement of the AMCA Certied
Ratings Program.