NR, NR4

In-line pumps 2- and 4- pole.

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  • Description
    Execution

    Close-coupled, single-impeller, centrifugal pumps; electricmotor with extended shaft directly connected to the pump.

    NR, NR4 series: Single head electropumps.
    NRD, NRD4: Twin head pump with built-in automatic switching valve. The two head can operate singularly or in parallel.
    Pump casing with suction and delivery connections with the same diameter and on the same axis (in-line).
    Version with frequency converter (on request)

    Applications

    For clean liquids without abrasives, which are non-aggressive for the pump materials ( solids content up to 0.2%).
    For heating, air-conditioning, cooling and circulation plants.
    For civil and industrial applications.
    When low noise operation is required (n ≈ 1450 rpm).

    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.
    Continuous duty.

Why Calpeda Pumps…

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Cost-effective

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Environmental Impact

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Reliable

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Durable

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Versatility

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Innovative Features

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