3
Support suction pipe
as required
Support discharge
pipe as required
As close
as possible
4 x "D"
minimum
Foot
Valve
Pipe diameter
"D"
Straight run, short as
possible but at least 6
times pipe diameter ("D")
sloping away from pump
Short length of
straight pipe
after reducer
Important:
All connections must
be
air tight
Eccentric
Reducer
Solid, level
base
Tee and
Priming Plug
Rotated Volute
Gate
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.
Figure 1
Figure 2
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