Pentair STA-RITE J Serie Manual De Instalación Y Operación página 5

INSTALLATION
Priming
Plug
Street Elbow
Priming
Plug
Street Elbow
Vent
Plug
Vent
Plug
Rotated Volute
Rotated Volute
Elbow immediately
in front of pump
suction.
Elbow immediately
in front of pump
suction.
S873 (08-01-20)
Tee and
Priming Plug
Tee and
Priming Plug
Discharge
to service
Union
Gate
Discharge
Valve
Solid, level
to service
base
Union
Support discharge
Gate
pipe as required
Valve
Solid, level
base
Support discharge
pipe as required
Figure 1 - Recommended Connections
On the discharge avoid:
Quick closing valves.
Small I.D. pipe.
Numerous ttings.
On the discharge avoid:
Misalignment.
Quick closing valves.
Sharp turns in piping run.
Small I.D. pipe.
Numerous ttings.
Misalignment.
Sharp turns in piping run.
Figure 2 - Not Recommended Connections
Short length of
straight pipe
after reducer
Short length of
straight pipe
after reducer
Eccentric
Reducer
Eccentric
Reducer
Straight run, short as
possible but at least 6
times pipe diameter ("D")
sloping away from pump
Straight run, short as
possible but at least 6
times pipe diameter ("D")
Pipe diameter
sloping away from pump
Pipe diameter
Concentric Reducer causes high
spots along the suction line resulting
in air pockets.
Concentric Reducer causes high
spots along the suction line resulting
in air pockets.
Concentric
Reducer
Concentric
Use of excess ttings Reducer
means potential air leaks
Valve
Use of excess ttings
means potential air leaks
Valve
Pipe diameter "D"
insu cient size
Pipe diameter "D"
insu cient size
Important:
All connections must
be air tight
Important:
All connections must
Support suction pipe
be air tight
as required
Support suction pipe
as required
"D"
As close
as possible
"D"
As close
as possible
4 x "D"
minimum
4 x "D"
minimum
Foot
Valve
Foot
Valve
Long suction
run
Long suction
run
Unsupported
Pipe
High
Unsupported
lift
Pipe
High
lift
Pipe submerged
less than 4 x "D"
will cause vortexing
Pipe submerged
less than 4 x "D"
will cause vortexing
684 0294
684 0294
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