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9. Technical data
The pump can run continuously. Make sure the
inlet strainer is covered by the pumped liquid.
See the nameplate on the pump for the electrical
and hydraulic performance data.
9.1 Electrical data
Enclosure class
IP68.
Insulation class
F.
9.2 Operating conditions
Liquid temperature
Minimum 32 °F (0 °C).
The maximum liquid temperature depends on
the rated voltage of the pump according to the
table:
* At intervals of at least 30 minutes, the pump
can run for 2 minutes with a liquid
temperature of 158 °F (70 °C).
Minimum water level
The water level must be above the inlet strainer.
Maximum installation depth
30 ft (9.1 m) below the liquid level.
pH value
Between 4 and 9.
Maximum particle size
0.39 in. (10 mm).
Density
146.88 ounce/gallon (8.24 gram/liter)
Viscosity
Close to the viscosity of water or 1 cSt (1 mm
2
/s)
at 68 °F (20 °C).
9.3 Storage temperature
Minimum -4 °F (-20 °C).
9.4 Sound pressure level
The sound pressure level of the pump is lower
than the limiting values stated in the EC Council
Directive 98/37/EC relating to machinery.
A-weighted sound pressure level
< 65 dB(A) in accordance with ISO 3743.
For further technical data, see section
6.3 Identification and 6.3.2 Type key.
10. Disposing of the product
This product or parts of it must be disposed of in
an environmentally sound way:
1. Use the public or private waste collection
service.
2. If this is not possible, contact the nearest
Grundfos company or service workshop.
Voltage
Maximum liquid
temperature
1 x 115 V, 60 Hz
KP 150, KP 250
122 °F (50 °C)*
KP 350
113 °F (45 °C)*
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