Question 1 of 6
Intermediate

Why must the pump unit be installed below the dynamic water table?

Question 2 of 6
Intermediate

What is the benefit of a slow increase in speed?

Question 3 of 6
Intermediate

What happens if the water level in the well drops below the inlet?

Question 4 of 6
Intermediate

Which protection features does the SQE have?

Question 5 of 6
Intermediate

Why is correct sizing of the submersible pump important?

Question 6 of 6
Intermediate

The 3” SQ pump is obviously ideal for new boreholes but where can it also be used?

Question 6 of 6
Intermediate

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1: Why must the pump unit be installed below the dynamic water table?
So you are sure to minimise your power bill.
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1: Why must the pump unit be installed below the dynamic water table?
To avoid the risk of dry-running during operation.
1: Why must the pump unit be installed below the dynamic water table?
To maintain a stable pressure in the system.
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2: What is the benefit of a slow increase in speed?
It keeps the motor current low
2: What is the benefit of a slow increase in speed?
It keeps pump movements at a minimum
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2: What is the benefit of a slow increase in speed?
It removes the need for motor contactors
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3: What happens if the water level in the well drops below the inlet?
The motor power consumption drops
3: What happens if the water level in the well drops below the inlet?
The motor power consumption stays the same
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3: What happens if the water level in the well drops below the inlet?
The motor power consumption increases
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4: Which protection features does the SQE have?
Voltage handling, soft start, dry-running protection and overload protection.
4: Which protection features does the SQE have?
Protection against the well running dry.
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4: Which protection features does the SQE have?
The SQE does not have any protection features.
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5: Why is correct sizing of the submersible pump important?
Because an undersized pump will not be able to deliver the required flow and pressure and an oversized pump reduces energy efficiency, which increases operational costs.
5: Why is correct sizing of the submersible pump important?
Because too small a pump will pump the well dry.
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5: Why is correct sizing of the submersible pump important?
Because too big a pump will ruin the taps due to too high pressure.
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6: The 3” SQ pump is obviously ideal for new boreholes but where can it also be used?
In wells with water temperature up to 60° C.
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6: The 3” SQ pump is obviously ideal for new boreholes but where can it also be used?
In installations that require constant pressure.
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6: The 3” SQ pump is obviously ideal for new boreholes but where can it also be used?
In original 4” boreholes where sediments over the years have narrowed the hole.