POMPA CALPEDA N 32-200 A/A


Construction

Single-stage end-suction centrifugal pumps, with bearing bracket. 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 )

SizesFlanges
From 32-160 to 50-250Screwed flanges PN 16 EN 1092-1
From 65-125 to 150-400Flanges 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.

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.
  • Maximum permissible rotation speed : see table on page 52.

Pump-Motor unit

N, N4 pump connected to a standard electric motor in B3 construction form (EN 60072-1), IP 55 protection, three-phase 400 V, 50 Hz by means of a baseplate, driven by a flexible coupling and with coupling protection.

Special features on request

  • Special mechanical seal.
  • Chrome-nickel steel AISI 316 pump-shaft.
  • Higher or lower liquid or ambient temperatures.
  • Other motor protection.
  • Explosion proof construction in accordance with Directive 94/9 EEC ( ATEX ).
  • Motor for other voltage.
  • Frequency 60 Hz ( as per 60 Hz data sheet ).

Specifications

  • Motor : 112 M2
  • Rated Motor Power Output : 4 kw
  • Kapasitas Pompa ( Q ) : Total head ( H )
    6,6 m3/h ( 110 l/min ) : 57 m ( 2,9 kW )
    7,5 m3/h ( 125 l/min ) : 56,5 m ( 3,1 kW )
    8,4 m3/h ( 140 l/min ) : 56 m ( 3,18 kW )
    9,6 m3/h ( 160 l/min ) : 55,5 m ( 3,35 kW )
    10,8 m3/h ( 180 l/min ) : 54,5 m ( 3.51 kW )
    12 m3/h ( 200 l/min ) : 53,5 m ( 3,67 kW )
    13,2 m3/h ( 220 l/min ) : 52,5 m ( 3,8 kW )
    15 m3/h ( 250 l/min ) : 51 m ( 4 kW )
    16,8 m3/h ( 280 l/min ) : 49* m ( 4,2 kW )
    18,9 m3/h (315 l/min ) : 46* m ( 4,4 kW )

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