Goulds Pumps 3180-86 - IOM - Manual (Page 58)

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1. Discharge isolation valve
2. Check valve
3. Suction isolation valve
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.
This illustration is an example of priming the pump with a foot valve and an outside supply:
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1. Discharge isolation valve
2. Shutoff valve
3. From outside supply
4. Foot valve
5. Check valve
This illustration is an example of priming the pump with a foot valve using a bypass around the check
valve:
Commissioning, Startup, Operation, and Shutdown
56 Models 3180, 3181, 3185, and 3186 Installation, Operation, and Maintenance Manual