CALPEDA PUMP NM 80/16A/D


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 perfomance 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 ).
Connections: Flanges according to PN 10, EN 1092-2.
Counter-flanges ( on request ) : Flanges for welding EN 1092-2.

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 230/400 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 ( 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 0,75 kW.

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 : 18.5 kW, 25Hp
  • Kapasitas Pompa ( Q ) : Total Head ( H )
    75 M3 ( 1250 l/Min ) : 39.9 m
    84 M3 ( 1400 l/Min ) :  39.6 m
    96 M3 ( 1600 l/Min ) : 39 m
    108 M3 ( 1800 l/Min ) : 38.2 m
    120 M3 (2000 l/min ) : 37.4 m
    132 M3 ( 2200 l/min ) : 36.4 m=
    150 M3 (2500 l/min ) : 34.5 m
    168 M3 ( 2800 l/min ) : 32.2 m
    180 M3 ( 3000 l/min ) = 30.3 m
    192 M3 ( 3200 l/min ) = 28.1 m
  • Weight : – kg

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