Centrifugal Power Roof Ventilators - American Coolair

CRBCA16 / CRBA16 Performance DataCFM at Static PressureRPM Range0.00 .125 .250 .375 .500 .750 1.00 1.25 1.50 2.00 Motor HPBHP Sone BHP Sone BHP Sone BHP Sone BHP Sone BHP Sone BHP Sone BHP Sone BHP Sone BHP Sone 1/4 1/3 1/2 3/4 1 1 ½2,170 2,034 1,862 1,683 1,4270.15 7.3 0.17 6.4 0.19 5.9 0.20 5.4 0.20 4.82,279 2,152 1,992 1,823 1,6200.18 7.8 0.20 7.0 0.21 6.6 0.23 6.1 0.23 5.62,385 2,265 2,116 1,954 1,7800.20 8.5 0.22 7.8 0.24 7.3 0.26 6.8 0.27 6.42,495 2,381 2,242 2,086 1,9300.23 9.2 0.26 8.6 0.28 8.1 0.29 7.7 0.30 7.22,604 2,496 2,367 2,217 2,070 1,6340.26 10.0 0.29 9.5 0.31 8.9 0.33 8.5 0.34 8.1 0.33 7.02,713 2,610 2,489 2,347 2,206 1,8530.30 10.8 0.32 10.4 0.35 9.7 0.37 9.5 0.38 8.9 0.39 7.92,820 2,721 2,607 2,473 2,336 2,0290.34 11.8 0.36 11.3 0.39 10.6 0.41 10.4 0.42 9.8 0.44 9.02,929 2,834 2,727 2,601 2,467 2,191 1,6590.38 12.7 0.40 12.3 0.43 11.6 0.45 11.3 0.47 10.9 0.49 10.1 0.45 9.03,039 2,947 2,845 2,727 2,598 2,341 1,9580.42 13.6 0.45 13.4 0.47 12.5 0.50 12.2 0.52 11.9 0.54 11.1 0.54 10.03,145 3,057 2,960 2,848 2,725 2,480 2,1610.47 14.7 0.50 14.5 0.52 13.6 0.55 13.2 0.57 13.0 0.60 12.1 0.61 11.13,254 3,170 3,077 2,972 2,854 2,617 2,3400.52 15.7 0.55 15.6 0.58 14.8 0.60 14.2 0.62 14.1 0.66 13.1 0.68 12.43,364 3,282 3,193 3,093 2,982 2,751 2,503 2,1140.57 16.8 0.60 16.7 0.63 16.0 0.66 15.3 0.68 15.2 0.72 14.2 0.75 13.7 0.72 12.53,470 3,391 3,306 3,211 3,105 2,880 2,651 2,3330.63 17.9 0.66 17.9 0.69 17.2 0.72 16.3 0.74 16.2 0.79 15.3 0.81 14.8 0.81 13.73,579 3,503 3,421 3,331 3,230 3,012 2,796 2,5220.69 18.9 0.72 19.0 0.75 18.3 0.78 17.4 0.81 17.2 0.85 16.4 0.89 15.8 0.90 14.93,689 3,615 3,536 3,449 3,354 3,143 2,936 2,693 2,3250.75 19.7 0.79 19.8 0.82 19.2 0.85 18.3 0.88 17.9 0.93 17.4 0.96 16.5 0.98 16.0 0.95 14.83,798 3,727 3,650 3,567 3,476 3,273 3,072 2,852 2,5500.82 21 0.86 21 0.89 20 0.92 19.2 0.95 18.7 1.01 18.4 1.04 17.3 1.07 17.0 1.06 15.73,905 3,835 3,761 3,681 3,595 3,399 3,202 2,998 2,7360.89 21 0.93 21 0.96 21 1.00 20 1.03 19.5 1.08 19.3 1.13 18.1 1.16 17.8 1.17 16.94,073 4,007 3,936 3,861 3,780 3,597 3,406 3,218 2,9981.01 23 1.05 23 1.09 22 1.12 22 1.16 21 1.22 21 1.26 19.6 1.30 19.0 1.33 18.54,182 4,118 4,050 3,977 3,899 3,725 3,537 3,355 3,154 2,4841.10 23 1.14 24 1.17 23 1.21 23 1.24 22 1.31 21 1.36 21 1.40 19.8 1.43 19.5 1.35 17.74,292 4,229 4,163 4,093 4,018 3,851 3,668 3,490 3,303 2,7571.19 24 1.23 24 1.26 24 1.30 23 1.34 23 1.40 22 1.46 22 1.50 21 1.54 21 1.51 18.64,401 4,340 4,276 4,208 4,136 3,975 3,798 3,623 3,447 2,9731.28 25 1.32 25 1.36 25 1.40 24 1.43 24 1.50 23 1.56 23 1.61 22 1.65 21 1.66 19.6RPM7347718078448819189549911028106411011138117412111248128513211378141514521489Performance shown is for Type A: free inlet, free outlet. Performance ratings do not include the effects of appurtenances (accessories).Power rating (BHP) does not include transmission losses. Bearing losses are included.The sound ratings shown are loudness values in hemispherical sones at 1.5 m (5 ft) in a hemispherical free field calculated per AMCA Standard 301.Values shown are for Installation Type A: free inlet hemispherical sone levels.ALL SPECIFICATIONS SUBJECT TO CHANGE WITHOUT NOTICE 11