Figure 1
Figure 2
2
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, as short as possible
but at least 6 times pipe diameter ("D"),
sloping away from pump (pump inlet
is highest point).
Short length of
straight pipe
after reducer
Important:
All connections must
be
air tight
Eccentric
Reducer
Solid, level
base
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"
too small
Pipe submerged
less than 4 x "D"
will suck air
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.
3343 1198
Do not rotate
discharge.
