| pump calpeda NR4 EI 125C/B | |
| Pressure: | 8.2m |
| Feed: | 70m3/h |
| Pump power: | 2.2 kW |
| Pump type: | centrifugal In-line |
| Voltage: | 380V |
| Pump material: | cast iron |
| Wheel material: | cast iron |
| Wheel type: | centrifugal |
| Pump location: | vertical |
| Connection type: | flange |
| Diameter of nozzles: | 125x125mm |
Variable speed pumps
NR(D) EI, NR4 EI pumps are available with power from 0.25 kW to 18.5 kW and equipped with I-MAT inverters.
They allow the realization of an extremely compact and efficient variable speed system that is ideally
suitable for use in water supply and for hot and cold water distribution .
sensors programmed directly at the manufacturing plant and programmed by the user for the
required mode of operation.
Advantages
- Energy saving.
- More compact system.
- Ease of use.
- Personalized programming according to installation requirements.
- Reliability.
Design
System components:
- Pump
- Electric motor (two for NRD, NRD4)
- I-MAT frequency controller (two for NRD, NRD4)
- Adapter for mounting on the motor (two for NRD, NRD4)
- Connecting cable for inverter and electric pump
- Pressure sensors
- Communication cable for NRD, NRD4 multi-pump unit
- 2 boards for NRD, NRD4 multi-pump unit
Main characteristics:< br/>Nominal motor power: from 0.25 kW to 18.5 kW
Adjustment range: revolutions 1750÷2900 1/min (2-pole pumps).
Adjustment range: revolutions 870 ÷ 1450 1/min (4-pole pumps).
Protection against dry running
Protection against operation with a closed nozzle
Protection against leakage
Protection against overvoltage in the motor
Protection against overvoltage or undervoltage in the power system
Protection against imbalance between power phases
pump calpeda NR4 EI 125C/B
pump calpeda NR4 EI 125C/B
pump calpeda NR4 EI 125C/B
pump type
innings
pressure
electric motor:
pump power
voltage
pump material
wheel material
pump location
connection type
wheel type
Dimensions and weight
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