PERFORMANCE DATA (cont)
FAN PERFORMANCE — HORIZONTAL DISCHARGE UNITS (cont)
581B048 (4 TONS) — STANDARD MOTOR
AIRFLOW |
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| EXTERNAL STATIC PRESSURE (in. wg) |
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| 0.1 |
| 0.2 |
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| 0.3 |
| 0.4 |
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| 0.6 |
| 0.7 |
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| 0.8 |
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(Cfm) |
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| Rpm |
| Bhp |
| Rpm |
| Bhp |
| Rpm |
| Bhp | Rpm |
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| Bhp |
| Rpm |
| Bhp |
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| Rpm |
| Bhp |
| Rpm |
| Bhp |
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1200 | 569 |
| 0.18 |
| 641 |
| 0.23 |
| 701 |
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| 0.29 |
| 761 |
| 0.34 |
| 859 |
| 0.46 |
| 901 |
| 0.52 |
| 943 |
| 0.58 |
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1300 | 604 |
| 0.22 |
| 673 |
| 0.28 |
| 731 |
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| 0.34 |
| 788 |
| 0.39 |
| 887 |
| 0.52 |
| 928 |
| 0.59 |
| 968 |
| 0.65 |
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1400 | 640 |
| 0.27 |
| 705 |
| 0.33 |
| 761 |
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| 0.39 |
| 817 |
| 0.45 |
| 914 |
| 0.59 |
| 955 |
| 0.66 |
| 996 |
| 0.72 |
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1500 | 676 |
| 0.32 |
| 738 |
| 0.38 |
| 793 |
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| 0.45 |
| 847 |
| 0.51 |
| 940 |
| 0.65 |
| 982 |
| 0.73 |
| 1024 |
| 0.81 |
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1600 | 713 |
| 0.38 |
| 772 |
| 0.44 |
| 825 |
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| 0.51 |
| 877 |
| 0.58 |
| 967 |
| 0.73 |
| 1009 |
| 0.81 |
| 1051 |
| 0.89 |
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1700 | 750 |
| 0.45 |
| 806 |
| 0.51 |
| 857 |
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| 0.59 |
| 908 |
| 0.66 |
| 997 |
| 0.81 |
| 1037 |
| 0.90 |
| 1077 |
| 1.01 |
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1800 | 788 |
| 0.52 |
| 841 |
| 0.59 |
| 890 |
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| 0.67 |
| 939 |
| 0.75 |
| 1026 |
| 0.91 |
| 1065 |
| 1.01 |
| 1104 |
| 1.07 |
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1900 | 826 |
| 0.60 |
| 876 |
| 0.68 |
| 924 |
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| 0.76 |
| 971 |
| 0.84 |
| 1056 |
| 1.01 |
| 1094 |
| 1.10 |
| 1132 |
| 1.18 |
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2000 | 864 |
| 0.70 |
| 912 |
| 0.77 |
| 958 |
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| 0.86 |
| 1004 |
| 0.94 |
| 1087 |
| 1.12 |
| 1125 |
| 1.21 |
| 1162 |
| 1.30 |
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581B048 (4 TONS) — STANDARD MOTOR (cont) |
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AIRFLOW |
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| EXTERNAL STATIC PRESSURE (in. wg) |
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| 0.9 |
| 1.0 |
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| 1.1 |
| 1.2 |
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| 1.4 |
| 1.6 |
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| 1.8 |
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(Cfm) |
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| Rpm |
| Bhp |
| Rpm |
| Bhp |
| Rpm |
| Bhp | Rpm |
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| Bhp |
| Rpm |
| Bhp |
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| Rpm |
| Bhp |
| Rpm |
| Bhp |
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1200 | 987 |
| 0.64 |
| 1030 |
| 0.70 |
| 1068 |
| 0.79 |
| 1106 |
| 0.87 |
| 1134 |
| 0.98 |
| 1189 |
| 1.12 |
| 1245 |
| 1.21 |
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1300 | 1006 |
| 0.71 |
| 1044 |
| 0.77 |
| 1086 |
| 0.84 |
| 1128 |
| 0.91 |
| 1183 |
| 1.10 |
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| 1297 |
| 1.35 |
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| 1226 |
| 1.23 |
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1400 | 1033 |
| 0.79 |
| 1069 |
| 0.86 |
| 1104 |
| 0.93 |
| 1139 |
| 1.01 |
| 1218 |
| 1.14 |
| 1286 |
| 1.34 |
| 1320 |
| 1.48 |
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1500 | 1060 |
| 0.88 |
| 1095 |
| 0.95 |
| 1129 |
| 1.02 |
| 1162 |
| 1.09 |
| 1228 |
| 1.24 |
| 1303 |
| 1.40 |
| 1343 |
| 1.60 |
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1600 | 1087 |
| 1.01 |
| 1123 |
| 1.05 |
| 1156 |
| 1.13 |
| 1185 |
| 1.20 |
| 1250 |
| 1.35 |
| 1319 |
| 1.51 |
| 1382 |
| 1.68 |
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1700 | 1114 |
| 1.07 |
| 1151 |
| 1.15 |
| 1183 |
| 1.23 |
| 1215 |
| 1.31 |
| 1276 |
| 1.48 |
| 1334 |
| 1.64 |
| 1398 |
| 1.80 |
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1800 | 1141 |
| 1.17 |
| 1178 |
| 1.26 |
| 1211 |
| 1.35 |
| 1243 |
| 1.43 |
| 1303 |
| 1.61 |
| 1359 |
| 1.78 |
| 1418 |
| 1.95 |
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1900 |
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| 1204 |
| 1.37 |
| 1238 |
| 1.47 |
| 1271 |
| 1.56 |
| 1330 |
| 1.74 |
| 1386 |
| 1.93 |
| 1439 |
| 2.11 |
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1168 |
| 1.28 |
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2000 | 1197 |
| 1.39 |
| 1231 |
| 1.48 |
| 1265 |
| 1.59 |
| 1298 |
| 1.69 |
| 1358 |
| 1.89 |
| 1413 |
| 2.08 |
| 1466 |
| 2.27 |
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581B048 (4 TONS) — |
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AIRFLOW |
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| EXTERNAL STATIC PRESSURE (in. wg) |
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| 0.2 |
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| 0.4 |
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| 0.6 |
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| 0.8 |
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| 1.0 |
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(Cfm) |
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| Rpm |
| Bhp | Rpm |
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| Bhp | Rpm |
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| Bhp |
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| Rpm |
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| Bhp |
| Rpm |
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| Bhp |
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1200 |
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| 641 |
| 0.23 |
| 761 |
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| 0.34 |
| 859 |
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| 0.46 |
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| 943 |
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| 0.58 |
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| 1030 |
| 0.70 |
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1300 |
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| 673 |
| 0.28 |
| 788 |
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| 0.39 |
| 887 |
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| 0.52 |
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| 968 |
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| 0.65 |
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| 1044 |
| 0.77 |
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1400 |
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| 705 |
| 0.33 |
| 817 |
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| 0.45 |
| 914 |
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| 0.59 |
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| 996 |
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| 0.72 |
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| 1069 |
| 0.86 |
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1500 |
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| 738 |
| 0.38 |
| 847 |
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| 0.51 |
| 940 |
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| 0.65 |
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| 1024 |
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| 0.81 |
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| 1095 |
| 0.95 |
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1600 |
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| 772 |
| 0.44 |
| 877 |
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| 0.58 |
| 967 |
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| 0.73 |
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| 1051 |
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| 0.89 |
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| 1123 |
| 1.05 |
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1700 |
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| 806 |
| 0.51 |
| 908 |
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| 0.66 |
| 997 |
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| 0.81 |
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| 1077 |
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| 1.01 |
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| 1151 |
| 1.15 |
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1800 |
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| 841 |
| 0.59 |
| 939 |
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| 0.75 |
| 1026 |
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| 0.91 |
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| 1104 |
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| 1.07 |
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| 1178 |
| 1.26 |
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1900 |
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| 876 |
| 0.68 |
| 971 |
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| 0.84 |
| 1056 |
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| 1.01 |
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| 1132 |
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| 1.18 |
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| 1204 |
| 1.37 |
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2000 |
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| 912 |
| 0.77 |
| 1004 |
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| 0.94 |
| 1087 |
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| 1.12 |
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| 1162 |
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| 1.30 |
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| 1231 |
| 1.48 |
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581B048 (4 TONS) — |
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AIRFLOW |
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| EXTERNAL STATIC PRESSURE (in. wg) |
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| 1.2 |
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| 1.4 |
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| 1.6 |
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| 1.8 |
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| 2.0 |
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(Cfm) |
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| Rpm |
| Bhp | Rpm |
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| Bhp |
| Rpm |
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| Bhp |
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| Rpm |
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| Bhp |
| Rpm |
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| Bhp |
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1200 |
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| 1106 |
| 0.87 |
| 1134 |
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| 0.98 |
| 1189 |
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| 1.12 |
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| 1245 |
| 1.21 |
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| 1292 |
| 1.35 |
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1300 |
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| 1128 |
| 0.91 |
| 1183 |
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| 1.10 |
| 1226 |
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| 1.23 |
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| 1297 |
| 1.35 |
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| 1346 |
| 1.51 |
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1400 |
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| 1139 |
| 1.01 |
| 1218 |
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| 1.14 |
| 1286 |
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| 1.34 |
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| 1320 |
| 1.48 |
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| 1370 |
| 1.65 |
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1500 |
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| 1162 |
| 1.09 |
| 1228 |
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| 1.24 |
| 1303 |
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| 1.40 |
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| 1343 |
| 1.60 |
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| 1393 |
| 1.79 |
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1600 |
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| 1185 |
| 1.20 |
| 1250 |
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| 1.35 |
| 1319 |
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| 1.51 |
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| 1382 |
| 1.68 |
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| 1434 |
| 1.88 |
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1700 |
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| 1215 |
| 1.31 |
| 1276 |
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| 1.48 |
| 1334 |
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| 1.64 |
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| 1398 |
| 1.80 |
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| 1451 |
| 2.01 |
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1800 |
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| 1243 |
| 1.43 |
| 1303 |
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| 1.61 |
| 1359 |
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| 1.78 |
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| 1418 |
| 1.95 |
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| 1471 |
| 2.18 |
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1900 |
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| 1271 |
| 1.56 |
| 1330 |
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| 1.74 |
| 1386 |
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| 1.93 |
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| 1439 |
| 2.11 |
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| 1493 |
| 2.36 |
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2000 |
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| 1298 |
| 1.69 |
| 1358 |
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| 1.89 |
| 1413 |
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| 2.08 |
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| 1466 |
| 2.27 |
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| 1521 |
| 2.54 |
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LEGEND
Bhp — Brake Horsepower Input to Fan
FIOP —
NOTES:
1.Boldface indicates
2. indicates
3.Motor drive range is 840 to 1185 rpm for standard units; 1075 to 1455 rpm for
4.Values include losses for filters, unit casing, and wet coils. See page 40 for accessory/FIOP static pressure information.
5.Maximum continuous bhp is 1.20 for standard motors; 2.40 for
6.Use of a
7.Interpolation is permissible. Do not extrapolate.
34