12 AGZ 030A through 065A IOM 686
Figure 7, Pressure Drop Curve
045A - 065A
030A - 040A
NOMINAL MAXIMUM MINIMUM
Pressure Drop Flow Pressure Drop Flow Pressure Drop Flow
Unit (ft) of water KPa (GPM) (L / s) (ft) of
Water
KPa (GPM) (L / s) (ft) of water KPa (GPM) KPa
030A 6.6 12.9 73.00 4.61 16.6 49.7 122.00 7.70 2.9 8.6 46.00 2.90
035A 8.3 24.8 82.00 5.17 20.6 61.7 136.00 8.58 3.5 10.6 51.00 3.22
040A 10.4 31.1 93.00 5.87 26.1 78.0 155.00 9.78 4.4 13.3 58.00 3.66
045A 6.8 20.3 106.00 6.69 16.9 50.6 176.00 11.10 2.9 8.7 66.00 4.16
050A 8.0 23.9 117.00 7.38 20.1 60.0 195.00 12.30 3.4 10.2 73.00 4.61
055A 10.2 30.5 130.00 8.20 25.4 76.0 216.00 13.63 4.3 12.7 80.00 5.05
060A 12.2 36.5 141.00 8.90 30.6 91.5 235.00 14.83 5.2 15.6 88.00 5.55
065A 14.0 41.8 148.00 9.34 35.2 105.2 247.00 15.58 5.9 17.8 92.00 5.80
Minimum and maximum flows are established to ensure the Delta-T for each unit size falls within the 6 - 16°F range for proper unit control.
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