Pump Priming; Prime The Pump With The Suction Supply Above The Pump; Prime The Pump With The Suction Supply Below The Pump - Goulds Pumps 3700 Installation, Operation And Maintenance Manual

Commissioning, Startup, Operation, and Shutdown
Method
Other

Pump priming

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. Discharge isolation valve
2. Check valve
3. Suction isolation valve
Figure 37: Suction supply above pump

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:
54 Model 3700, API Type OH2 / ISO 13709 1st and 2nd Ed. / API 610 8/9/10/11th Ed. Installation, Operation, and Maintenance
Description
You can use other methods that employ multiple gland or seal chamber
connections. Refer to the mechanical seal reference drawing and piping diagrams.
Manual