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