Calpeda N 50

Calpeda N 50

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.

Additional Models

ModelSKU
N 50-125F/A50000820000
50-200A/A50001100000
50-250D/A50001140100
50-250C/A50001140000
50-250B/A50001180000
50-250A/A50001220000
N 50-125F/A BASEPLATE+COUPLING 230/400/50 Hz 90L2 KW2.2 IE350000820017
N 50-125D/A BASEPLATE+COUPLING 230/400/50 Hz 100L2 KW3 IE350000860020
N 50-125A/A BASEPLATE+COUPLING 400/690/50 Hz 112M2 KW4 IE350000900032
N 50-125S/A BASEPLATE+COUPLING 400/690/50 Hz 112M2 KW4 IE35000090A006
N 50-160B/A BASEPLATE+COUPLING 400/690/50 Hz 132S2 KW5.5 IE350000940038
N 50-160A/A BASEPLATE+COUPLING 400/690/50 Hz 132S2 KW7.5 IE350000980039
N 50-200B/A BASEPLATE+COUPLING 400/690/50 Hz 160M2 KW11 IE350001040040
N 50-200A/A BASEPLATE+COUPLING 400/690/50 Hz 160M2 KW11 IE350001080056
N 50-200S/A BASEPLATE+COUPLING 400/690/50 Hz 160M2 KW15 IE35000108A006
N 50-250C/A BASEPLATE+COUPLING 400/690/50 Hz 160M2 KW11 IE350001120016
N 50-250B/A BASEPLATE+COUPLING 400/690/50 Hz 160M2 KW15 IE350001160026
N 50-250A/A BASEPLATE+COUPLING 400/690/50 Hz 160L2 KW18.5 IE350001200056
50-200B/A50001060000
50-200C/A50001020000
50-160A/A50001000000
N 50-125D/A50000860000
N 50-125A/A50000900000
N 50-125S/A5000090A000
N 50-160B/A50000940000
N 50-160A/A50000980000
N 50-200B/A50001040000
N 50-200A/A50001080000
N 50-250C/A50001120000
N 50-200S/A5000108A000
N 50-250B/A50001160000
N 50-250A/A50001200000
N 50-250S/A5000120A000
50-125F/A50000840000
50-125D/A50000880000
50-125A/A50000920000
50-125S/A5000092A000
50-160B/A50000960000
N 50-250S/A BASEPLATE+COUPLING 400/690/50 Hz 180M2 KW22 IE35000120A012

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Please Call 01296 488 294 or email sales@polypump.co.uk for availability and advice.

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