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Appendix C—Z2000 Performance Curves
90
750 RPM
80
70
650 RPM
600 RPM
60
500 RPM
50
40
30
25
The chart shows approximate delivery rates as seen in vapor equalized propane systems at 70°F (21°C) with no pressure
loss in pump suction piping.
The following will cause increased vaporization of the liquid in the pump suction, adversely affecting the delivery:
1. Restrictions in the suction piping such as internal valves, excess flow valves, elbows, etc.
2. Restriction or lack of a vapor return line
3. Temperatures below 70°F (21°C)
This loss of delivery is not caused by the pump but is a result of the natural thermodynamic properties of
liquefied petroleum gases. See the "GUIDE TO CORKEN LIQUEFIED GAS TRANSFER EQUIPMENT" (CP226)
for additional information.
50
Differential Pressure (psi)
18
75
100
125
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