| pump calpeda NRD EI 50/125F | |
| Pressure: | 11.2m |
| Feed: | 40m3/h |
| Pump power: | 1, 1 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: | 50x50mm |
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 implementation of an extremely compact and efficient variable speed system, which is ideally
suited for use in water supply and for the distribution of hot and cold water.
sensors programmed directly at the manufacturing plant and programmed by the user for the
necessary mode of operation.
Advantages
- Energy saving.
- More compact system.
- Ease of use.
- Personalized programming according to installation requirements.
- Reliability.
Design
System components:
- Pump< br/>- 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:
Nominal engine 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
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pump calpeda NRD EI 50/125F
pump calpeda NRD EI 50/125F
pump calpeda NRD EI 50/125F
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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