Specification Sheet

291
Size 30
MODEL CTB
TUBULAR CENTRIFUGAL INLINE BELT DRIVEN FAN
CFM OV
Static Pressure (Inches W.G.)
0.125 0.25 0.5 0.75 1 1.25 1.5 1.75 2 2.25 2.5
RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP
Sones Sones Sones Sones Sones Sones Sones Sones Sones Sones Sones
2250 177
246 0.1 316 0.19 425 0.41 512 0.67
4.3 6.6 11.1 15.6
3000 236
279 0.14 341 0.25 442 0.5 525 0.8 598 1.12
5.6 7.6 11.9 16.4 20
3750 295
316 0.21 372 0.33 465 0.62 544 0.94 613 1.3 676 1.68 733 2.08 787 2.5
6.9 8.8 13.1 17.4 21 24 28 31
4500 354
357 0.29 407 0.44 493 0.76 567 1.11 633 1.5 693 1.91 749 2.35 801 2.81 850 3.28 896 3.77 941 4.28
8.6 10.6 14.5 18.5 22 25
28 32 36 40 44
5250 413
399 0.41 444 0.57 524 0.92 593 1.31 656 1.73 714 2.17 768 2.64 818 3.13 866 3.64 911 4.17 954 4.71
10.6 12.6 16.5 19.6 23 26 30 33 37 41 45
6000 472
443 0.55 484 0.73 558 1.12 623 1.55 683 1.99 738 2.47 790 2.97 838 3.49 885 4.04 929 4.6 971 5.17
12.9 14.9 18.5 21 25 28 31 35 39 43 47
6750 531
488 0.73 526 0.94 594 1.36 656 1.82 712 2.3 765 2.81 815 3.34 862 3.89 906 4.47 949 5.06 990 5.67
15.4 17.6 21 23 26 29 33 36 40 45 49
7500 591
534 0.95 569 1.18 632 1.64 690 2.13 744 2.66 794 3.19 842 3.75 887 4.34 931 4.94 972 5.56 1012 6.21
18.2 19.8 23 26 28 32 35 39 42 46 51
8250 650
581 1.22 613 1.46 672 1.97 727 2.49 778 3.04 826 3.62 872 4.22 915 4.83 957 5.47 997 6.12 1036 6.79
21 22 25 28 31 34 37 40 44 49 54
9000 709
628 1.53 657 1.8 713 2.34 765 2.9 813 3.49 859 4.1 903 4.73 945 5.38 985 6.04
23 25 28 31 34 37 40 43 47
9750 768
675 1.9 703 2.18 755 2.77 804 3.37 850 3.99 894 4.64 936 5.3 977 5.98
26 28 31 34 37 40 43 47
10500 827
723 2.32 749 2.63 798 3.25 844 3.89 889 4.56 931 5.23 971 5.93
29 31 34 37 41 44 47
11250 886
771 2.81 795 3.13 842 3.8 886 4.48
928 5.18 968 5.9
33 34 38 41 44 47
12000 945
819 3.36 842 3.71 886 4.42 928 5.14 968 5.87
36 38 42 45 48
12750 1004
868 3.98 889 4.35 931 5.1 971 5.86
40 42 45 49
13500 1063
916 4.67 937 5.07 976 5.86
45 46 50
14250 1122
965 5.45 984 5.86
49 51
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
CTB 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 B: Free inlet, Ducted outlet. Power rating (bhp) includes
transmission losses. Performance ratings do not include the effects of appurtenances.
The sound ratings shown are loudness values in fan sones at 5 ft. (1.5 m) in a hemispherical free eld
calculated per AMCA Standard 301. Values shown are for installation type: B free inlet hemispherical
sone levels.
UL STANDARD 705 for Electrical
UL STANDARD 762 for
Grease Removal