Dreno DNA 50-4/090 M Submersible sewage pump

Application
The DNA Series is used for sewage and waste water. Its wide channel permits the free passage of solids rendering it particularly useful in water treatment plants, domestic, municipal and farming applications.

The 4 pole version can be used in applications where continuous S1 service is needed and are
characterised by their quiet operation.

Characteristic
The main components are fabricated in cast iron GG20. The Double mechanical seal in a back to back configuration located in the oil chamber guarantee long durability to the product.

Motor range
• Squirrel cage motor in 2 and 4 pole version
• Thermal protection embedded in the winding (In the DNA ...-2/220 and DNA ...-4/090 model
the thermal protection T1 and T2 conductor to be wired to the control panel)
• Insulation class F 155°C
• Motor protection IP 68

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
• Maximum depth of immersion: 20 mt.
• Permissible pH value: 6-10
• Hydraulic features suitable for liquids with density <1,1 kg/dm3
• Allowed voltage: 230V/400V ±5%
• Allowed frequency: 50Hz ±2%

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