WDM AG Series Operation Manual page 9

Self-Priming Pumps.
Positive Suction
Shut-off Valve
Frame Mounted Units
1. Foot Valve & Strainer.
2. Elbow.
3. Incline suction line, 2% grade min.
4. Eccentric Reducer
5. Check Valve
Shut-off Valve
Check Valve
Union
6.
7.
8.
Priming plug
Shut-off Valve
Flexible Coupling
Discharge line.
9