Centrifugal Pump NM 50/12DA


Centrifugal Pump NM 50/12DA can be used 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 applications
  • 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
Centrifugal Pump NM 50/12DA

Motor :

2 pole induction motor, 50 Hz (n=2900 rpm)
NM : 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 of Centrifugal Pump NM 50/12DA :
  • Type : NM 50/12D/A
  • Rated motor power output (P2) : 3 kW 4 HP
  • Capacity :
    30 m³/h 500 l/min ; Head : 20 m
    33 m³/h 550 l/min ; Head : 19,5 m
    37.8 m³/h 630 l/min ; Head : 18,5 m
    42 m³/h 700 l/min ; Head : 18 m
    48 m³/h 800 l/min ; Head : 16,5 m
    54 m³/h 900 l/min ; Head : 14,5 m
    60 m³/h 1000 l/min ; Head : 13 m
    66 m³/h 1100 l/min ; Head : 10,5 m
    69 m³/h 1150 l/min ; Head : 9 m
    72 m³/h 1200 l/min ; Head : 8 m

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