Dreno AT 150/4/173 C.258 Submersible light sewage pump

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 withstand liquid temperature up to 60°C with pump 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%

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