1
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.
Appendix C—Z3200 and ZH3200 Performance Curves
125
50
60
70
80
90
100
110
120
100755025
Differential Pressure (psid)
Capacity (gpm)
1
500 RPM
600 RPM
650 RPM
750 RPM
23
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