POMPA CALPEDA N 40-125F/A


Construction

Single-stage end-suction centrifugal pumps, with bearing bracket. Nominal duty points and main dimensions in accordance with EN 733. Back Pull-Out construction, for simple and quick dismantling and reassembly.

N, N4: Version with pump casing and lanter bracket in cast iron.
B-N, B-N4 : version with pump casing and lanter bracket in bronze. ( the pumps are supplied fully painted ).

Rated speed of rotation ( 50 Hz ) : N = 2900 rpm
N4 = 1450 rpm

Connections : PN 10 flanges EN 1092-2.

Counter-flanges ( on request )

SizesFlanges
From 32-160 to 50-250Screwed flanges PN 16 EN 1092-1
From 65-125 to 150-400Flanges for welding PN 10 EN 1092-1

Shaft sealing

  • Standardized mechanical seal in accordance with ISO 3069.
  • Stuffing box seal ( on request )

Applications

  • For clean liquids, without abrasives, which are non-aggressive for the pump materials ( contents of solids up to 0.2% ).
  • For water supply.
  • For heating, air conditioning, cooling and circulation plants.
  • For civil and industrial applications and for agriculture.
  • 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.
  • Maximum permissible rotation speed: see table on page 52.

Pump-Motor unit

N, N4 pump connected to a standard electric motor in B3 construction form ( EN 60072-1 ), IP 55 protection, three-phase 400 V, 50 Hz by means of a baseplate, driven by a flexible coupling and with coupling protection.

Special features on request

  • Special mechanical seal.
  • Chrome-nickel steel AISI 316 pump-shaft
  • Higher or lower liquid or ambient temperatures.
  • Other motor protection.
  • Explosion proof construction in accordance with Directive 94/9 EEC ( ATEX ).
  • Motor for other voltage.
  • Frequency 60 Hz ( as per 60 Hz data sheet ).

Specifications

  • Motor : 80 B2
  • Rated Motor Power Output : 1,1kw
  • Kapasitas Pompa ( Q ) : Total head ( H )
    15 m3/h ( 250 l/min ) : 14 m ( 0,96 kW )
    16,8 m3/h ( 280 l/min ) : 13,5 m ( 1,00 kW )
    18,9 m3/h (315 l/min ) : 13 m ( 1,04 kW )
    21 m3/h (350 l/min ) : 12 m ( 1,07 kW )
    24 m3/h (400 l/min ) : 11 m ( 1,10 kW )
    27 m3/h (450 l/min ) : 9,5 m ( 1,13 kW )
    30 m3/h (500 l/min ) : 8 m ( 1,13 kW )
    33 m3/h (550 l/min ) : 6 m ( 1,13 kW )

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