6 Commissioning/Start-up/Shutdown
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HPK-L
1136.8/15-EN
6.1.8 Heating up/keeping warm the pump (set)
CAUTION
Pump blockage
Damage to the pump!
▷
Prior to pump start-up, heat up the pump as described in the manual.
Observe the following when heating up the pump (set) and keeping it warm:
▪
Make sure that the temperature is increased continuously.
▪
Heating speed: max. 5 °C/min (5 K/min)
Fluid temperatures above
150 °C
When the pump is used for handling fluids at temperatures above 150 °C make sure
that the pump has been heated throughout before starting it up.
Temperature difference
The temperature difference between the pump's surface and the fluid handled must
not exceed 100 °C (100 K) when the pump is started up.
6.1.9 Start-up
DANGER
Non-compliance with the permissible pressure and temperature limits if the pump
is operated with the suction and/or discharge line closed.
Explosion hazard!
Hot or toxic fluids escaping!
▷
Never operate the pump with the shut-off elements in the suction line and/or
discharge line closed.
▷
Only start up the pump set with the discharge-side shut-off element slightly or
fully open.
DANGER
Excessive temperatures due to dry running or excessive gas content in the fluid
handled
Explosion hazard!
Damage to the pump set!
▷
Never operate the pump set without liquid fill.
▷
Prime the pump as per operating instructions.
▷
Always operate the pump within the permissible operating range.
CAUTION
Abnormal noises, vibrations, temperatures or leakage
Damage to the pump!
▷
Switch off the pump (set) immediately.
▷
Eliminate the causes before returning the pump set to service.
ü
The system piping has been cleaned.
ü
The pump, suction line and, if applicable, inlet tank have been vented and
primed with the fluid to be handled.
ü
The lines for priming and venting have been closed.
Содержание HPK-L
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