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End-suction centrifugal pumps EN 733 2- and 4- poles.

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  • Description
    Overview:

    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.

    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 ( solids content 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 16 bar (10 bar per N,N4 32-12,16,20; N,N4 40-25; N,N4 50-20,25, N4 65-31, N,N4 100-250,315,400, N4 125-250,400, N4 150-400 and bronze version).

  • Technical Features

    Technical data

     

    FLOW
    2.4 / 480
    mc / h
    HEAD
    1.5 / 95
    m
    POWER
    0.25 / 75
    kW
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