Calpeda N4 125

Calpeda N4 125

Construction

Single-stage end-suction centrifugal pumps, with bearing bracket. The electropumps N, B-N, N4, B-N4 series comply with the European Regulation no. 547/2012 in force starting from 01.01.2013. 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)

  • from 32-160 to 50-250 : Screwed flanges PN 16 EN 1092-1.
  • from 65-125 to 150-400 : Flanges 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.
ModelSKU
N4 125-250E/A BASEPLATE+COUPLING 400/690/50 Hz 132S4 KW5.5 IE350002680013
N4 125-400B/A BASEPLATE+COUPLING 400/690/50 Hz 225M4 KW45 IE350002860013
N4 125-400C/A BASEPLATE+COUPLING 400/690/50 Hz 225S4 KW37 IE350002840003
N4 125-315A/A BASEPLATE+COUPLING 400/690/50 Hz 200L4 KW30 IE350002820021
N4 125-315B/A BASEPLATE+COUPLING 400/690/50 Hz 180L4 KW22 IE350002800025
N4 125-315C/A BASEPLATE+COUPLING 400/690/50 Hz 180M4 KW18.5 IE350002780015
N4 125-250A/A BASEPLATE+COUPLING 400/690/50 Hz 160L4 KW15 IE350002760037
N4 125-250B/A BASEPLATE+COUPLING 400/690/50 Hz 160M4 KW11 IE350002740031
N4 125-250C/A BASEPLATE+COUPLING 400/690/50 Hz 160M4 KW11 IE350002720024
N4 125-250D/A BASEPLATE+COUPLING 400/690/50 Hz 132M4 KW7.5 IE350002700021
N4 125-400A/A BASEPLATE+COUPLING 400/690/50 Hz 250M4 KW55 IE350002880024

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