Pump Calpeda NM 65/250BE


Pump Calpeda NM 65/250BE close coupled centrifugal pump widely use 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 pump Calpeda NM 65/250BE; 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 733.
NM version with pump casing and lantern bracket in cast iron.

Operating Conditions :

  • Liquid temperature from -10 deg. C to +90 deg. C
  • Ambient temperature to 40 deg. C
  • 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)
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

Pump casing
Lantern bracket
Cast iron
ImpellerCast iron, brass
ShaftStainless steel (AISI 303)
Stainless steel (AISI 430)
Mechanical sealCarbon – Ceramic NBR
Counter flangesSteel

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
Pump Calpeda NM 65/250BE
Specification Pump Calpeda NM 65/250BE :
TypeNM 65/250BE
Rated motor power output (P2)30 kW 40 HP
Capacity48 m³/h 800 l/min ; Head : 79,5 m
54 m³/h 900 l/min ; Head : 79 m
60 m³/h 1000 l/min ; Head : 78,5 m
66 m³/h 1100 l/min ; Head : 78 m
75 m³/h 1250 l/min ; Head : 77 m
84 m³/h 1400 l/min ; Head : 75 m
96 m³/h 1600 l/min ; Head : 72 m
108 m³/h 1800 l/min ; Head : 67 m

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