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Support suction pipe
as required, so that
pump does not take
weight of pipe
Support discharge pipe
as required, so that
pump does not take
weight of pipe
As close
as possible
4 x "D"
minimum
submergence
Foot
Valve
Pipe diameter
"D"
Straight run, as short as
possible but at least 6
times pipe diameter ("D").
Slope pipe down from
pump to water
Short length of
straight pipe
after reducer
Important:
All connections must
be air tight
Solid, level
base
Rotated Volute
Stop
Valve
Union
Discharge
to service
Recommended pump suction
and discharge connections
Vent
Plug
Priming
Plug
Street Elbow
Not
recommended pump suction
and discharge connections
Elbow immediately
in front of pump
suction.
On the discharge avoid:
Quick closing valves.
Small I.D. pipe.
Numerous fittings.
Misalignment.
Sharp turns in piping run.
High
lift
Pipe diameter "D"
insufficient size
Pipe submerged
less than 4 x "D"
will cause vortexing
Long suction
run
Concentric
Reducer
Use of excess fittings
means potential air leaks
Valve
Unsupported
Pipe
Concentric Reducer causes high
spots along the suction line resulting
in air pockets.
Eccentric Reducer,
Straight side up
Tee and
Priming Plug
Figure 1
Figure 2
2
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