Close Coupled Centrifugal Pump Calpeda NM 32/20DE


Close Coupled Centrifugal Pump Calpeda NM 32/20DE can be used for :

  • For clean liquids abrasives, which are non aggressive or the pump materials (solids content up to 0.2%)
  • For water supply
  • For heating, air conditioning, cooling and circulation plants
  • For civils and industrial applications
  • For fire fighting applications
  • For irrigation

Construction :

Close-coupled centrifugal pumps; 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

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 32/20DE
  • Rated motor power output (P2) : 2,2 kW 3 HP
  • Capacity :
    6,6 m³/h 110 l/min ; Head : 38 m
    7,5 m³/h 125 l/min ; Head : 37,5 m
    8,4 m³/h 140 l/min ; Head : 37 m
    9,6 m³/h 160 l/min ; Head : 36 m
    10,8 m³/h 180 l/min ; Head : 35 m
    12 m³/h 200 l/min ; Head : 33,5 m
    13,2 m³/h 220 l/min ; Head : 32 m

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