Centrifugal Fan Class IV - Greenheck Fan Corporation - Building ...

66 BISW
Performance Data
Wheel Diameter = 66 in.
Outlet Area = 25.05 ft 2
Tip Speed = 17.28 x RPM
Maximum BHP = (RPM/143) 3
For belt driven applications over 250 Hp,
consult factory
Pressure Class Limits
Class Max. RPM
III 939
IV 1130
Static Pressure in Inches
CFM OV 10 11 12 13 14 15 16 17 18
20
RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP
86900 3469 820 180 847 196 871 212 896 227 920 243 943 259 969 277 995 296 1020 315
91800 3664 837 194 862 210 887 226 912 243 934 259 957 276 979 293 1001 310 1026 329 1075 369
96700 3860 854 208 878 225 902 241 926 259 950 276 972 293 993 311 1015 328 1036 346 1081 385
101600 4055 871 223 896 241 919 258 942 275 965 293 987 311 1008 329 1029 348 1050 366 1089 403
106500 4251 889 239 913 257 936 275 959 293 980 312 1002 330 1024 349 1045 368 1064 387 1104 425
111400 4447 908 256 931 274 954 293 976 312 997 331 1018 350 1038 369 1059 389 1080 408 1118 448
116300 4642 926 273 949 292 972 312 993 332 1015 351 1035 371 1055 391 1075 411 1095 431
121200 4838 946 291 967 311 990 332 1011 352 1032 373 1052 393 1072 413 1092 434 1110 455
126100 5033 966 309 987 331 1008 352 1029 373 1050 395 1070 416 1090 437 1109 458
131000 5229 987 329 1008 351 1028 373 1048 396 1068 418 1088 440 1107 462
135900 5425 1009 351 1028 373 1048 395 1067 418 1086 441 1106 464
140800 5620 1032 374 1049 396 1068 418 1087 442 1106 466
Performance shown is for model BISW arrangement 1, installation Type B - free inlet, ducted outlet.
Performance ratings do not include the effects of appurtenances in the airstream.
Power rating (BHP) does not include drive losses.
24
Sound Power [dB Ref 10 -12 watts]
INLET SOUND POWER, Lwi
RPM % WOV 1 2 3 4 5 6 7 8 LwiA
700 100 114 114 105 101 100 95 89 83 105
80 111 111 100 97 95 90 86 81 101
60 107 107 97 94 93 90 87 85 99
50 109 108 96 93 92 90 88 85 99
40 113 111 100 95 93 91 89 86 101
939 100 119 123 114 108 107 105 98 92 113
80 115 121 110 104 103 99 94 89 110
60 112 118 106 101 100 98 95 92 107
50 114 118 106 100 99 97 96 93 107
40 121 121 110 103 100 98 96 93 109
1130 100 122 126 121 114 111 109 104 97 118
80 118 124 118 110 107 104 99 95 115
60 115 121 114 106 104 102 100 97 112
50 117 121 114 106 103 102 100 98 112
40 124 125 118 109 105 103 101 98 115
% WOV = (CFM x 100) / (RPM x 168)
OUTLET SOUND POWER, Lwo
RPM % WOV 1 2 3 4 5 6 7 8 LwoA
700 100 118 117 109 106 104 100 93 86 109
80 115 113 105 102 98 94 88 82 105
60 112 111 102 98 95 91 87 84 102
50 112 110 101 97 93 91 88 84 101
40 112 109 100 96 92 90 87 84 100
939 100 124 126 117 114 111 108 102 95 117
80 121 123 113 110 106 102 97 91 113
60 117 121 110 106 102 99 95 92 110
50 117 120 109 105 101 98 95 92 109
40 118 119 109 104 100 97 95 92 108
1130 100 127 130 124 119 115 113 108 101 122
80 124 126 120 114 111 107 102 96 118
60 120 124 118 111 107 104 100 97 115
50 120 123 117 110 106 103 100 97 114
40 121 123 116 109 105 102 100 97 113
The sound power level ratings shown are in decibels, referred to 10 -12 watts calculated per AMCA Standard 301. Values shown are for inlet Lwi, LwiA
and outlet Lwo, LwoA sound power levels for installation Type B: free inlet, ducted outlet. Outlet ratings include the effects of duct end correction.
939
GREENHECK
®