Installation requirements – Pulsafeeder Isochem RGT IOM User Manual
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4
4. Installation Requirements
The pump installation site should provide easy access for routine maintenance and when possible
to protect the pump from the elements and from leaks or drips from nearby process equipment.
Figure 2
I
N A POWER FRAME
(
THAT IS
,
NOT CLOSE
-
COUPLED
)
INSTALLATION
,
THE USE OF A LOW
-
BACKLASH OR RELATIVELY RIGID MOTOR COUPLING IS RECOMMENDED TO PREVENT MAGNETIC
DE
-
COUPLING AT STARTUP OR UNDER WIDELY VARYING PROCESS CONDITIONS
.
T
HE PROVISION OF A
“
SOFT
-
START
”
MOTOR STARTER WILL REDUCE THE POSSIBILITY OF
MAGNETIC DE
-
COUPLING AT STARTUP WITH A FAST
-
STARTING OR OVERSIZED MOTOR
.
A
S THE PUMP IS SUPPORTED BY THE MOTOR MOUNT
,
TAKE CARE THAT THE SUCTION AND
DISCHARGE PIPING DOES NOT APPLY FORCES OR MOMENTS
(
TWISTING
)
TO THE PUMP
.
F
OR OPTIMUM PERFORMANCE
,
A MINIMUM
1-1/2
INCH SUCTION LINE SIZE IS RECOMMENDED