Dreno DNB 65-2/150 T/G Submersible sewage pump
Submersible electropump with S-Flow double channel impeller for clear liquid and sewage - Dreno DNB 65-2/150 T/G - 3-400V 2HP - Horizontal outlet DN65 PN10 - Free passage 50 mm - Float swich
PRODUCT CODE: 2001522Application
The DNB series is used for pumping and draining clear liquid and sewage. The special S-Flow channels impeller permits the passage of short solid fibrous and is particulary suitable for wastewater and sewage treatment plants.
The 4 poles versions can be used in application where continue S1 service is needed and are characterized by their quiet operation.
Characteristic
The main components are realised in cast iron GG20. The Double mechanical seals 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 DNB ...-2/220 and DNB 4 poles 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 liquidwhere 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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