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Hot Water Pressure Drop (FT H2O)<br />
Selection for <strong>Design</strong> Water Flow Rates Less than<br />
0.25 GPM is Not Recommended<br />
Water Side Pressure Loss<br />
6.0<br />
5.5<br />
5.0<br />
4.5<br />
4.0<br />
3.5<br />
10 Foot Nominal Length<br />
3.0<br />
2.5<br />
8 Foot Nominal Length<br />
2.0<br />
1.5<br />
6 Foot Nominal Length<br />
1.0<br />
0.5<br />
4 Foot Nominal Length<br />
0.25 0.50 0.75 1.00 1.25 1.50<br />
Water Flow Rate (GPM)<br />
Figure 36: 41: 4 Pipe (Std. or High Capacity) Hot Water Coils Pressure Loss<br />
Models DID601-US-4, DID602-US-4, DID621-US-4 and DID622-US-4,<br />
DID601-HC-4, DID602-HC-4, DID621-HC-4 and DID622-HC-4<br />
41