A4 up to 7,5 kW

Submersible electropumps with open channel impeller.

1 channel 75-140mm

Domestic and utility wastewater, dirty and rainwater, pretreated sewage

Sanitary and rainwater sewage systems, sewage treatment plants

Connection

Dn80-Dn20

Power

1,5-60kW

Range

Hmax 60m, Qmax 760m3/h

Send your inquiry

Download

download product card

Product description

Application
The A 4 poles Series is used to pump clear liquids and sewage. The wide range and high hydraulic efficiency renders this series particularly suited to water treatment plants, sewers, farming and industrial plants including in airports, underground public transport, hospitals and hotels.

Characteristic
All main components are made of grey cast iron GG25. Two individual mechanical seals (motor side in the oil chamber, impeller side in contact with the liquid) and high quality parts, ensure the perfect functioning and reliability of the product.

Motor range

Squirrel cage motor 4 poles
Thermal protection T1 and T2 embedded in the motor winding (to be wired to the three pole contactor in the control panel)
Class F insulation (155°C)
IP 68 protection

Motor cooling

The cooling of the motor is ensured by the liquid where the pump is submerged.

Limits of use

Max. permissible liquid temperature: 40°C with pump fully submerged
On request, special version (excluded ATEX) to liquid temperature up to 60°C withpump fully submerged, no S1 service
Maximum depth of immersion: 20 mt.
Permissible pH value: 6-10
Hydraulic features suitable for liquids with density <1,1 kg/dm3
Allowed voltage: 230/400V or 400/690V±5% depending on the pump
Allowed frequency: 50Hz ±2%

Marking legend

Performance Overview

List of components and materials

Technologies and solutions

Impellers
The A series is fitted with open single channel and highly efficient impellers. The shredding system ensure a high degree of reliability even in presence of fibrous materials and solids in suspension.