Alfa Laval ALP 100, Operating Instructions Manual

Page: 45 / 77

9.7 Taking pump out of operation
WARNING
Risk of injury or poisoning through emitted pumped liquid .
• Wear protective clothing during all the work.
• Collect the emitted pumped liquid safely and dispose of it in an
environmentally compatible manner.
• Carry out the following measures during shutdowns:
Table 13: Measures for operation interruption
Pump is
Measure
• Shut down for longer period
Depending on the pumped liquid.
• Drained
Close the pressure-side and suction-side stopcocks.
• Dismantled
Disconnect the motors from the power supply and secure them
against being switched back on.
• Stored
Observe measures for storing & preservation; refer to
#unique_55 and refer to #unique_56 .
Table 14: Measures depending on behaviour of the pumped liquid
Behaviour of the pumped liquid
Duration of the shut down
Short Long
• Sediment solids − Rinse the pump. − Rinse the pump.
• Congealed/frozen
• No corrosive burden
− Heat or drain the pump. − Drain the pump.
• Congealed/frozen
• Corrosive burden
− Heat or drain the pump.
− Drain the pump.
− Preserve the pump.
• Remains liquid
• No corrosive burden
- -
• Remains liquid
• Corrosive burden
-
− Drain the pump.
− Preserve the pump.
• Drain the pump via the pressure and suction line and vent screw.
200007725-1-EN-GB 45
Operation 9 EN