Goulds Pumps 3700 Installation, Operation And Maintenance Manual page 57

1. Discharge isolation valve
2. Shutoff valve
3. From outside supply
4. Foot valve
5. Check valve
Figure 38: Pump priming with suction supply below pump
This illustration is an example of priming the pump with a foot valve using a bypass around the
check valve:
Model 3700, API Type OH2 / ISO 13709 1st and 2nd Ed. / API 610 8/9/10/11th Ed. Installation, Operation, and Maintenance
Manual
Commissioning, Startup, Operation, and Shutdown
55