
Construction
Single-stage end-suction centrifugal pumps, with bearing bracket. Nominal duty points and main dimensions in acordance 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 lantern 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 )
Sizes | Flanges |
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 ( content 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 : 90 S2
- Rated Motor Power Output : 1,5 kw
- Kapasitas Pompa ( Q ) : Total head ( H )
6,6 m3/h ( 110 l/min ) : 23,5 m ( 0.86 kW )
7,5 m3/h ( 125 l/min ) : 23,5 m ( 0.9 kW )
8,4 m3/h ( 140 l/min ) : 23 m ( 0.94 kW )
9,6 m3/h ( 160 l/min ) : 22,5 m ( 1 kW )
10,8 m3/h ( 180 l/min ) : 22 m ( 1,06 kW )
12 m3/h ( 200 l/min ) : 21,5 m ( 1,12 kW )
13,2 m3/h ( 220 l/min ) : 21 m ( 1,17 kW )
15 m3/h ( 250 l/min ) : 20,5 m ( 1,25 kW )
16,8 m3/h ( 280 l/min ) : 19* m ( 1,3 kW )
18,9 m3/h ( 315 l/min ) : 18,5* m ( 1,36 kW )
21 m3/h ( 350 l/min ) : 16,5* m ( 1,42 kW )
24 m3/h ( 400 l/min ) : 13* m ( 1,49 kW )