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Single and twin impeller centrifugal pumps

N, N4

End-suction centrifugal pumps EN 733

image N-N4 02
 

Technical data

  1. Construction 
    Single-stage end-suction centrifugal pumps, with bearing
    Nominal duty points and main dimensions in accordance with EN 733. 
    Back Pull-Out construction, for simple and quick dismantling and reassembly. 
    Rated speed of rotation (50 Hz): N = 2900 1/min. N4 = 1450 1/min. 
    B-N, B-N4: bronze version. 

    Pump-Motor unit 
    N,N4 pump connected to a standard electric motor in B3 construction form (IEC 72), classification scheme EFF2 or EFF1 (High efficiency) on request, IP 55 protection, three-phase 400 V , 50 Hz by means of a baseplate, driven by a flexible coupling and with coupling protection. 

    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.

Coverage chart.

curve N-N4
Tarweej media