Installation
Model 710 TruBlue Installation, Operation, and Maintenance Manual
28
Piping checklists
General piping checklist
Precautions
WARNING:
• Risk of premature failure. Casing deformation can result in misalignment and contact with
rotating parts, causing excess heat generation and sparks. Flange loads from the piping
system, including those from the thermal expansion of the piping, must not exceed the
limits of the pump.
• Risk of serious personal injury or property damage. Fasteners such as bolts and nuts are
critical to the safe and reliable operation of the product. Ensure appropriate use of
fasteners during installation or reassembly of the unit.
• Use fasteners of the proper size and material only.
• Replace all corroded fasteners.
• Ensure that all fasteners are properly tightened and that there are no missing fasteners.
CAUTION:
Never draw piping into place at the flanged connections of the pump. This can impose
dangerous strains on the unit and cause misalignment between the pump and driver. Pipe
strain adversely affects the operation of the pump, which results in physical injury and damage
to the equipment.
Flange loads from the piping system, including those from the thermal expansion of the piping,
must not exceed the limits of the pump. Deformation can result in contact with rotating parts,
which can result in excess heat generation, sparks, and premature failure.
NOTICE:
Vary the capacity with the regulating valve in the discharge line. Never throttle the flow from the
suction side. This action can result in decreased performance, unexpected heat generation,
and equipment damage.
Piping guidelines
Guidelines for piping are given in the Hydraulic Institute Standards available from the Hydraulic
Institute at 9 Sylvan Way, Parsippany, NJ 07054-3802. You must review this document before
you install the pump.
Checklist
Check
Explanation/comment
Checked
Check that all piping is supported
independently of, and lined up
naturally with, the pump flange.
This helps to prevent:
• Strain on the pump
• Misalignment between the pump and the drive unit
• Wear on the pump bearings and the coupling
• Wear on the pump bearings, seal, and shafting
Keep the piping as short as pos-
sible.
This helps to minimize friction losses.
Check that only necessary fittings
are used.
This helps to minimize friction losses.
Do not connect the piping to the
pump until:
• The grout for the baseplate
or sub-base becomes hard.
• The hold-down bolts for the
pump and the driver are
tightened.
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