Pentair BERKELEY CB Series Owner's Manual page 5

INSTALLATION & OPERATION
Priming
Plug
Street Elbow
Vent
Plug
Rotated Volute
On the discharge avoid:
Quick closing valves.
Small I.D. pipe.
Numerous fittings.
Misalignment.
Sharp turns in piping run.
Elbow immediately
in front of pump
suction.
P15008 (04-15-2023)
Tee and
Priming Plug
Discharge
to service
Union
Gate
Valve Solid, level
base
Support discharge
pipe as required
Recommended pump suction
and discharge connections
Not Recommended pump suction
and discharge connections
Short length of
straight pipe
after reducer
Eccentric
Reducer
Straight run, short as
possible but at least 6
times pipe diameter ("D")
sloping away from pump
Pipe diameter
Figure 1
Concentric Reducer causes high
spots along the suction line resulting
in air pockets.
Concentric
Reducer
Use of excess fittings
means potential air leaks
Valve
Figure 2
Important:
All connections must
be air tight
Support suction pipe
as required
"D"
As close
as possible
4 x "D"
minimum
Foot
Valve
Long suction
run
Unsupported
Pipe
High
lift
Pipe diameter "D"
insu cient size
Pipe submerged
less than 4 x "D"
will cause vortexing
684 0294
5