Goulds Pumps 3610 - IOM - Manual (Page 48)

Commissioning, Startup, Operation, and Shutdown
1. Valve S
2. Ejector
3. Valve E
4. Steam, compressed air, or water under pressure
5. Discharge gate valve
Figure 15: Priming the pump with an ejector
Prime with an automatic primer pump
This system works well in situations where there is a fluctuating suction lift that occasionally
drops below the normal limits of the pump. The system also works well where there is any
quantity of air entrained in the pumped fluid.
1. Install a vacuum tank with a vacuum gauge near the primer pump.
2. Set the vacuum switch to automatically start or stop the primer pump according to the
vacuum required to keep the system primed.
1. To primer pump
2. Priming valve
3. These lines must slope upward from the pump in order to eliminate air pockets.
4. Discharge gate valve
5. Suction pipe
Figure 16: Automatic primer pump
46 Installation, Operation, and Maintenance Manual