CALPEDA PUMP N 40-160A/A

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 )

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 ( 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 )
  15 m³/h ( 250 l/min ) : 37 m ( 2.70 kW )
  16.8 m³/h ( 280 l/min ) : 36.5 m ( 2.84 kW )
  18.9 m³/h (315 l/min ) : 36.5 m ( 3.01 kW )
  21 m³/h (350 l/min ) : 36 m ( 3.18 kW )
  24 m³/h (400 l/min ) : 35 m ( 3.35 kW )
  27 m³/h (450 l/min ) : 33,5 m ( 3.53 kW )
  30 m³/h (500 l/min ) : 32 m ( 3.72 kW )
  33 m³/h (550 l/min ) : 30,5 m ( 3.84 kW )
  37.8 m³/h (630 l/min ) : 27 m ( 4.01 kW )
  39 m³/h (650 l/min ) : 26 m ( 4.05 kW )
  42 m³/h (700 l/min ) : 23,5 m ( 4.12 kW )
  45 m³/h (750 l/min ) : 20 m ( 4.20 kW )
  48 m³/h (800 l/min ) : 17 m ( 4.22 kW )