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Single Speed
Model
gpm
Pressure Drop (psi)
30°F
50°F
70°F
90°F
110°F
012
1.5
0.3
0.3
0.3
0.3
0.3
2.5
1.0
1.0
1.0
1.0
1.0
3.5
1.7
1.7
1.7
1.6
1.6
4.5
2.5
2.4
2.4
2.4
2.3
018
3.0
1.6
1.6
1.5
1.5
1.4
4.0
2.9
2.9
2.8
2.8
2.7
5.0
4.2
4.2
4.1
4.0
3.9
6.0
6.0
5.8
5.7
5.6
5.5
022
3
0.9
0.9
0.8
0.7
0.7
4.5
1.7
1.6
1.5
1.4
1.3
6
2.8
2.7
2.5
2.3
2.2
8
4.7
4.4
4.1
3.9
3.6
030
4
1.3
1.2
1.2
1.1
1.0
6
2.7
2.5
2.4
2.2
2.2
8
4.5
4.2
3.9
3.7
3.4
10
6.8
6.3
5.4
5.4
5.0
036
5
1.0
1.0
0.9
0.8
0.8
7
2.1
1.9
1.8
1.7
1.6
9
3.6
3.3
3.0
2.8
2.6
12
6.3
5.9
5.5
5.1
4.8
042
5
0.8
0.7
0.7
0.7
0.6
8
2.1
2.1
1.9
1.8
1.7
11
4.2
4.1
3.8
3.5
3.3
14
7.6
6.7
6.3
5.8
5.4
048
6
1.1
1.0
1.0
0.9
0.8
9
2.3
2.1
2.0
1.9
1.7
12
3.9
3.7
3.4
3.2
3.0
16
6.7
6.3
5.9
5.5
5.1
060
9
2.4
2.2
2.1
2.0
1.8
12
3.9
3.6
3.4
3.2
2.9
15
5.7
5.3
5.0
4.7
4.3
20
9.5
8.9
8.3
7.8
7.2
070
12
3.0
2.8
2.6
2.4
2.2
15
4.4
4.0
3.8
3.5
3.3
18
6.0
5.5
5.1
4.8
4.4
24
9.7
9.1
8.5
7.9
7.3
2/7/12
Dual Capacity
Model
gpm
Pressure Drop (psi)
30°F
50°F
70°F
90°F
110°F
026
full load
4
1.4
1.3
1.2
1.1
1.0
6
2.8
2.6
2.4
2.3
2.1
8
4.7
4.4
4.1
3.8
3.5
10
7.0
6.6
6.2
5.8
5.3
026
part load
3
0.8
0.7
0.7
0.7
0.6
5
2.0
1.8
1.7
1.6
1.5
7
3.6
3.4
3.2
3.0
2.8
9
5.8
5.5
5.1
4.8
4.4
038
full load
5
1.2
1.2
1.1
1.0
1.0
7
2.2
2.1
1.9
1.8
1.7
9
3.4
3.2
3.0
2.8
2.6
11
4.9
4.6
4.3
4
3.7
038
part load
4
0.9
0.8
0.8
0.7
0.7
6
1.7
1.6
1.5
1.4
1.3
8
2.8
2.6
2.5
2.3
2.1
10
4.2
3.9
3.7
3.4
3.2
049
full load
6
1.2
1.2
1.1
1.0
1.0
9
2.4
2.2
2.1
2.0
1.8
12
3.9
3.6
3.4
3.2
2.9
15
5.7
5.3
5
4.7
4.3
049
part load
5
0.9
0.9
0.8
0.8
0.7
8
2.0
1.8
1.7
1.6
1.5
11
3.4
3.1
2.9
2.8
2.5
14
5.0
4.7
4.4
4.1
3.8
064
full load
8
1.8
1.7
1.6
1.4
1.3
12
3.8
3.5
3.3
3.0
2.8
16
6.5
6.0
5.6
5.2
4.8
20
9.7
9.1
8.5
8.0
7.4
064
part load
6
1.0
0.9
0.9
0.8
0.8
10
2.6
2.5
2.3
2.1
2.0
14
5.0
4.7
4.4
4.1
3.8
18
8.1
7.6
7.1
6.6
6.1
072
full load
12
3.2
3.0
2.8
2.6
2.4
15
4.5
4.2
4.0
3.7
3.4
18
6.0
5.7
5.3
4.9
4.6
21
7.8
7.3
6.8
6.4
5.9
072
part load
10
2.3
2.1
2.0
1.9
1.7
13
3.6
3.3
3.0
2.8
2.6
16
5.0
4.6
4.3
4.0
3.7
19
6.5
6.2
5.8
5.4
5.0
1/26/12
Pressure Drop
SD2500AG 05/21
22
Page _____ of _____
Aston Series
1 - 6 Tons 60Hz
