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QJB-W 1.5 Submersible Sludge Recirculation Pump 1.5 kW Energy-Efficient with DN 400 Discharge Flange for Small-Scale WWTPs

Categories Industrial Tank Mixer
Model Number: QJB-W 1.5
Current draw: 4.1 A
Place of Origin: China
Impeller diameter: 400 mm
Brand Name: Lanjiang
Power rating: 1.5 kW
Payment Terms: T/T
Installation dimensions: d1=195 mm, d2=440 mm, d3=520 mm, D=600 mm, L=680 mm
Delivery Time: 15
Supply Ability: 100 units/month
Bearing life: 100,000 operational hours
Packaging Details: Wooden Case
MOQ: 1
Discharge flange: DN 400
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QJB-W 1.5 Submersible Sludge Recirculation Pump 1.5 kW Energy-Efficient with DN 400 Discharge Flange for Small-Scale WWTPs

QJB-W 1.5 Submersible Sludge Recirculation Pump
Product Overview

The Lanjiang QJB-W 1.5 is a compact, energy-saving submersible sludge return pump purpose-built for small municipal and industrial wastewater treatment plants (WWTPs). With a modest 1.5 kW power rating drawing only 4.1 A, this model delivers reliable mixed liquor recirculation and sludge return flow for denitrification basins, oxidation ditches, and SBR tanks in smaller treatment facilities.

Key Features
  • 400 mm diameter 3-blade swept-back impeller for efficient hydraulic performance
  • Resists fiber entanglement and solids clogging in sludge return applications
  • DN 400 discharge flange ensures compatibility with standard pipework
  • Premium SKF/NSK bearings rated for over 100,000 operational hours
  • Dual tungsten carbide/Viton mechanical seals for long-term reliability
  • Designed for continuous duty cycles in demanding environments
Technical Specifications
ParameterValue
Power Rating1.5 kW
Current Draw4.1 A
Impeller Diameter400 mm
Discharge FlangeDN 400
Installation & Dimensions
DimensionValue
d1195 mm
d2440 mm
d3520 mm
D600 mm
L680 mm
Installation Advantage: Auto-coupling guide rail system eliminates the need for personnel to enter tanks for routine maintenance. Every unit undergoes full load testing before shipping to ensure trouble-free commissioning.
Quality QJB-W 1.5 Submersible Sludge Recirculation Pump 1.5 kW Energy-Efficient with DN 400 Discharge Flange for Small-Scale WWTPs for sale
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