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GP Series Portable Chillers Chapter 7: Appendix 48 of 64
Pure Water at >40°F
GPXC-20 GPXC-30 GPXC-40 GPXC-50
GPM DP (PSI) GPM DP (PSI) GPM DP (PSI) GPM DP (PSI)
0.5X Nominal 6 1.7 9 1.7 12 1.6 18 1.8
1.0X Nominal 12 5.9 18 6.1 24 5.8 36 6.4
2.0X Nominal 24 21.4 36 21.9 48 20.7 72 23.3
Calculating Chiller Nominal Flow and Pressure to Process
• Flow rate: Obtain the flow reading from the appropriate pump curve.
• Pressure: Obtain a corresponding pressure reading from the pump curve you selected,
then subtract the one-pump pressure drop listed in the above table using the
appropriate chiller hp and flow rate.