Goulds Pumps 3610 - IOM - Manual (Page 47)

Commissioning, Startup, Operation, and Shutdown
1. Vent plug
2. Discharge gate valve
3. Shutoff valve
4. Discharge check valve
5. Bypass line
6. Foot valve
Figure 14: Bypassing the discharge check valve
Prime the pump with an ejector
On suction lift installations, you can prime the pump using an ejector to remove air from the
casing and suction line. The ejector can be operated by steam, compressed air, or water under
pressure.
1. Connect the ejector to the tapped opening in the top of the pump casing.
2. Close the discharge gate valve and open valve E in the steam, air, or water pressure
supply line.
3. Open valve S in the suction pipe of the ejector connected to the pump casing.
Air will be evacuated and liquid will be drawn up into the suction pipe and pump casing.
4. When all air is evacuated, do the following:
a) Start the pump.
b) Close valve S and valve E.
c) Open the discharge gate valve.
Installation, Operation, and Maintenance Manual 45