Xylem P2001406B Series e-1510 Centrifugal Pumps - Manual (Page 17)

Check Explanation/comment Checked
Check that the suction and discharge pipes are
supported independently by use of pipe hangers near
the pump .
This eliminates pipe strain on the pump .
Check that there is a strong, rigid support for the
suction and discharge lines.
As a rule, ordinary wire or band hangers are not
adequate to maintain proper alignment.
For pumps with flanges, check that the bolt holes in
the pump flanges match the bolt holes in the pipe
flanges.
—
Check that the suction or discharge lines are not
forced into position.
Coupling and bearing wear will result if suction
or discharge lines are forced into position.
Check that fittings for absorbing expansion are
installed in the system when considerable
temperature changes are expected.
This helps to avoid strain on the pump.
Check that you have a foot valve of equal or greater
area than the pump suction piping when you use in
an open system with a suction lift.
Prevent clogging by using a strainer at the
suction inlet next to the foot valve. Make sure
that the strainer has an area three times that of
the suction pipe with a mesh hole diameter of
no less than 0.25 in. (0.64 cm).
Check that flexible piping is used on both the suction
and discharge sides of the pump when you use an
isolation base.
—
Check that a B&G Triple Duty ® valve is installed in the
discharge line.
This valve serves as a check valve that protects
the pump from water hammer, and serves as an
isolation valve for servicing and for throttling.
Check that the pipeline has isolation valves around
the pump and has a drain valve in the suction pipe.
—
Use PTFE tape sealer or a high quality thread sealant
when you install the suction and discharge
connections to a threaded pump housing.
—
Pump insulation checklist
Check Checked
Check that the bearing assembly grease fittings are
accessible and visible.
Check that the vent slots on the sides and bottom of the
bearing assembly are uncovered and completely open.
Installation
Series e-1510 Installation, Operation, and Maintenance Manual 15