N, N4

End-Suction Centrifugal Pumps standardized EN 733

 

FLOW: 2.4 / 480 mc/h

HEAD: 1.5 / 95 m

POWER: 0.25 / 75 kW

 

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.