Calpeda NM 40/16C/A Close Coupled Centrifugal Pump


Construction :

Close coupled centrifugal pump; electric motor with extended shaft directly connected to the pump.
Pump casing with axial suction and radial delivery on top, main dimensions and performance according to EN 733.
NM Version with pump casing and lantern bracket in cast iron.
Connections : Flanges according to PN 10, 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℃ to 90 ℃
Ambient temperature up to 40 ℃
Total suction lift up to 7 m
Maximum permissible working pressure up to 10 bar
Continuous duty

Motor :

2 Pole induction motor, 50 Hz (n = 2900 rpm)
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
Constructed in accordance with EN 60034-1

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
  • Explosion proof construction in accordance with Directive 94/9 EEC (ATEX)
  • Higher or lower liquid or ambient temperatures
Specification :
  • Type : NM 40/16C/A
  • Rated motor power output (P2) : 2,2 kW 3 HP
  • Capacity :
    15 m³/h 250 l/min ; Head : 23 m
    16,8 m³/h 280 l/min ; Head : 22,5 m
    18,9 m³/h 315 l/min ; Head : 22 m
    21 m³/h 350 l/min ; Head : 21,5 m
    24 m³/h 400 l/min ; Head : 20 m
    27 m³/h 450 l/min ; Head : 18,5 m
    30 m³/h 500 l/min ; Head : 16,5 m
    33 m³/h 550 l/min ; Head : 14,5 m
    37,8 m³/h 550 l/min ; Head : 11 m
    39 m³/h 550 l/min ; Head : 10 m

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