70
2000
2500
3000
3500
4000
4500
5000
5500
6000
6500
0.2 0.4 0.6 0.8 1.0 1.2
1109 rpm: 2 turns
1068 rpm: 3 turns
1014 rpm: 4 turns
968 rpm: 5 turns
External Static (in. wg)
Airflow (cfm)
2000
2500
3000
3500
4000
4500
5000
5500
6000
6500
0.3 0.4 0.6 0.8 1.0 1.2
1109 rpm: 2 turns
1049 rpm: 3 turns
998 rpm: 4 turns
947 rpm: 5 turns
Airflow (cfm)
External Static (in. wg)
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. 73 — 62M550 Supply Air Fan Performance Curves
Fig. 74 — 62M550 Exhaust Air Fan Performance Curves