Technical Reference
Application limits
Data Description
Media (liquid)
temperature
Maximum temperature 40°C (104°F)
pH of the pumped media
(liquid)
Version code 051 and 181: 5–8
Version code 320 and 690: 6–13
Media (liquid) density Maximum density: 1100 kg/m
3
(9.2 lb. per US gal.)
Depth of immersion 20 m (65 ft.)
Other For specific weight, current, voltage, power rating, and speed of the pump, see the data
plate on the pump. For starting current, see Motor data (page 38).
For other applications, contact the local sales and service representative for
information.
Motor data
Feature Description
Motor type Squirrel-cage induction motor
Frequency 50 or 60 Hz
Standard version: 50 or 60 Hz
MSHA version: 60 Hz
Supply 3-phase
Starting method
• Direct on-line
• Star-delta
Maximum starts per
hour
30 evenly spaced starts per hour
Code compliance IEC 60034-1
Rated output variation ±10%
Voltage variation without
overheating
±10%, provided that it does not run continuously at full load
Voltage imbalance
tolerance
2%
Stator insulation class H (180°C [360°F])
Specific motor data
Version code 181: 3-phase, 50 Hz
Motor type:
• 2,890 rpm
• Rated output 8.0 kW (11 hp)
Technical Reference
38 Flygt 2125 Installation, Operation, and Maintenance Manual
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