POMPA CALPEDA NMS 80/250D


Construction

Close-coupled centrifugal pumps; 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 ).

Applications

For clean liquids without abrasives, which are non-aggressive for the pump materials ( solids content up to 0,2% ). For water supply.
For heating, air conditioning, cooling and circulation plants.
For civil and industrial applications.
For fire fighting applications.  For Irrigation.

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 230/400V ± 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 ( only for NM standard construction )
  • Single-phase motor ( NMM ) up to 1,5 kW.
  • Higher or lower liquid or ambient temperatures.
  • Motor suitable for operation with frequency converter up to 0,75kW.

Materials

Components NM, NMS B-NM, B-NMS
Pump casing
Lantern Bracket NM
Casing cover for NMS
Cast iron
GJL 200 EN 1561
Bronze
G-Cu Sn 10 EN 1982
Lantern bracket NMS Cast iron GJL 200 EN 1561
Impeller Cast iron
GJL 200 EN 1561
Bronze
G-Cu Sn 10 EN 1982
Brass P-Cu Zn 40 Pb 2 UNI 5705
for 32/12, 32/16, 32/20, 32L/20, 40/20
Shaft Cr-Ni Steel AISI 303AISI 430 from 3 kW to 22 kW Cr Ni Mo steel
AISI 316
Mechanical seal Carbon-Ceramic-NBR
Counter-flanges Steel Fe 430B UNI 7070

Specifications

  • Rated Motor Power Output : 30 kW, 40Hp
  • Kapasitas Pompa ( Q ) : Total Head ( H )
    75 M3 ( 1250 l/Min ) : 56 m
    84 M3 ( 1400 l/Min ) :  55.5 m
    96 M3 ( 1600 l/Min ) : 55 m
    108 M3 ( 1800 l/Min ) : 54 m
    120 M3 (2000 l/min ) : 53 m
    132 M3 ( 2200 l/min ) : 52 m
    150 M3 (2500 l/min ) : 49.5* m
    168 M3 ( 2800 l/min ) : 46* m
    180 M3 ( 3000 l/min ) = 43* m
  • Weight : 266 kg

 

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