5.7.1 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 35: Suction supply above pump
5.7.2 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.
5.7 Pump priming
56
Model 3700, 3703, 3710, 3700LF, 3700LFI API Type OH2 / ISO 13709 1st and 2nd Ed. / API 610 8/9/10/11th Ed. Instal-
lation, Operation, and Maintenance Manual
Summary of Contents for Goulds Pumps 3700
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