POMPA CALPEDA NM 80/25E 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.
- Irrigation.
Close-coupled centrifugal pump; electric motor with extended shaft directly connected to the pump up to 22 kW, new bracket construction for standard motors ( stub-shaft construction ) from 30 to 75 kW with integrated thrust bearing.
Pump casing with axial suction and radial delivery on top, main dimensions and performance according to EN 733.
NM(S): version with pump casing and lantern bracket in cast iron.
B-NM(S): version with pump casing and lantern bracket/casing cover in bronze. ( the pumps are supplied fully painted ).
Connection: Flanges according to PN 10, EN 1092-2.
Counter-flanges ( on request ) : Flanges for welding EN 1092-1, PN 10.
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 NM 32L/16,20; NM 40/16,20; NM 50/12,16; NM 65/12,16,20,25; NM 80/16; NM 100/20 ).
- Continuous duty
Motor
- 2-pole induction motor, 50 Hz ( n ≈ 2900 rpm ).
- NM, NMS: three-phase 230/400 V ± 10% up to 3 kW;
400/690 V ± 10% from 4 to 75 kW - Insulation class F. Protection IP 54 ( IP 55 for NMS )
- 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
Special features on request
- Other voltages. – Frequency 60 Hz ( as per 60 Hz data sheet )
- Protection IP 55. – Special mechanical seal.
- Packed gland ( NMM ) up to 1,5 kW.
- Higher or lower liquid or ambient temperatures.
- Motor suitable for operation with frequency converter up to 0,75 kW.
