71
5000
5500
6000
6500
7000
7500
0.25 0.45 0.65 0.85 1.00 1.20
1256 rpm: 2 turns
1174 rpm: 3 turns
1150 rpm: 4 turns
External Static (in. wg)
Airflow (cfm)
5000
5500
6000
6500
7000
7500
8000
0.4 0.5 0.6 0.7 0.9
1202 rpm : 0 turns
1152 rpm: 1 turn
1123 rpm: 2 turns
1096 rpm: 3 turns
External Static (in. wg)
Airflow (cfm)
NOTE: Fan data includes pressure drop for 30% efficient 2-in. filters.
NOTE: Fan data includes pressure drop for 30% efficient 2-in. filters.
Fig. 75 — 62M640 Supply Air Fan Performance Curves
Fig. 76 — 62M640 Exhaust Air Fan Performance Curves