Installation And Handling - Lorentz PSk2-7 Manuel D'installation Et De Fonctionnement

54 Pump Installation

9.3.3 Installation and Handling

Handling – When lifting the CS-F pump use the eyebolts at
the motor housing. CS-G pumps must be lifted by the base.
Use the eyebolts to stabilize the pump, cf. "Figure 34: Pump
handling/lifting" below. It is recommended to use suitable
lifting sling belts.
Figure 34: Pump handling/lifting
Strainer – If pipelines are welded together metal pieces
might be present in the pipeline. Before pump installation,
the inlet pipeline must be carefully cleaned. It is recom-
mended to install a strainer about 1 m / 3 ft in front of the
pump inlet to avoid pump damage due to any kind of impu-
rities (cf. "Figure 35: Strainer" on page 54). The pressure
drop of the strainer must be considered in the suction head
calculation. Please refer to COMPASS and the corresponding
LORENTZ knowledge base article.
Figure 35: Strainer
filtered
flow
Pipe system – We advise that pipe expansion joints are
used close to the pump on both inlet and outlet to reduce
noise and vibration (cf. "Figure 36: Pipe expansion joints"
on page 54). It is recommended that you install a gate
valve in the suction and discharge pipeline close to the
pump to avoid draining of the pipe while cleaning (e.g.
filters), repairing, servicing or replacing the pump system.
Figure 36: Pipe expansion joints
unfiltered
flow
filter element
particle accumulation