Pompa Calpeda NM 2/A/B use for :
- Clean liquids without abrasives, which are non-aggressive for the pump materials ( solids content up to 0,2 % ).
- Water supply.
- Heating, air-conditioning, cooling and circulation plants.
- Civil and industrial applications.
- Fire fighting application. For Irrigation.
Construction
Close–coupled, centrifugal pumps; electric motor with extended shaft directly connected to the pump.
NM: single-impeller
NMD: with two back-to back impellers ( with axial thrust balancing ).
Connections: threaded ports ISO 228/1 ( BS 2779 )
NM, NMD; version with pump casing and lantern bracket in cast iron.
B-NM, B-NMD: version with pump casing and lantern bracket in bronze. ( the pumps are supplied fully painted ).
Operating conditions
- Liquid temperature from -10 °C to +90 °C.
- Ambient temperature up to 40° C
- Total suction lift up to 7 m.
- Maximum permissible working pressure up to 10 bar ( 16 bar for pumps NMD 25/190; NMD 32/210; NMD 40/180 ).
- Continuous duty.
Motor
- 2-pole induction motor, 50 Hz ( n ≈ 2900 rpm ).
- NM, NMD: three-phase 230/400 V ±10% up to 3 kW;
400/690 V ±10% from 4 to 9,2 kW; - NMM, NMDM: single-phase 230 V ±10%, with thermal protector.
- Insulation class F. Protection IP 54
- Motor suitable for operation with frequency converter from 1,1 kW.
- Classification scheme IE3 for three-phase motors from 0,75 kW.
- Constructed in accordance with EN 60034-1; EN 60034-30-1
60335-1; EN 60335-2-41.
Special Features On Request
- Other voltages. – Frequency 60 Hz ( as per 60 Hz data sheet ).
- Protection IP 55. – Special Mechanical Seal.
- Higher or lower liquid or ambient temperatures.
- Motor suitable for operation with frequency converter up to 0,75 kW.
Descriptions
- Rated Motor Power Output : 0.75 kW, 15 HP
- Kapasitas Pompa ( Q ) : Total Head ( H )
1 m3 /h ( 16 l/Min ) : 33,5 m
1,2 m3 /h ( 20 l/Min ) : 33 m
1,5 m3 /h ( 25 l/Min ) : 32,5 m
1,89 m3/h ( 31,5 l/min ) : 32 m
2,4 m3/h ( 40 l/min ) : 31,5 m
3 m3/h ( 50 l/min ) : 30,5 m
3,6 m3/h ( 60 l/min ) : 29,5 m
4,2 m3/h ( 70 l/min ) : 28,5 m
4,8 m3/h ( 80 l/min ) : 27 m
5,4 m3/h ( 90 l/min ) : 26 m
6 m3/h ( 100 l/min ) : 24 m - Weight : 15 kg