5.8 Pump priming
5.8.1 Prime the pump with the suction supply above the pump
1.
Slowly open the suction isolation valve.
2.
Open the air vents on the suction and discharge piping until the pumped fluid flows out.
3.
Close the air vents.
1
2
3
Item Description
1.
Discharge isolation valve
2.
Check valve
3.
Suction isolation valve
Figure 29: Suction supply above pump
5.8.2 Prime the pump with the suction supply below the pump
Use a foot valve and an outside source of liquid in order to prime the pump. The liquid can come
from one of these sources:
•
A priming pump
•
A pressurized discharge line
•
Another outside supply
1.
Close the discharge isolation valve.
2.
Open the air vent valves in the casing.
3.
Open the valve in the outside supply line until only liquid escapes from the vent valves.
4.
Close the vent valves.
5.
Close the outside supply line.
5.8 Pump priming
Model IC, ICI, ICH, ICIH Installation, Operation, and Maintenance Manual
57
Содержание Goulds Pumps IC
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