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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 1.5 kW Energy-Efficient with DN 400 Discharge Flange for Small-Scale WWTPs
Specifications
Model Number :
QJB-W 1.5
Current draw :
4.1 A
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
Place of Origin :
China
Impeller diameter :
400 mm
MOQ :
1
Discharge flange :
DN 400
Packaging Details :
Wooden Case
Description
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
Parameter Value
Power Rating 1.5 kW
Current Draw 4.1 A
Impeller Diameter 400 mm
Discharge Flange DN 400
Installation & Dimensions
Dimension Value
d1 195 mm
d2 440 mm
d3 520 mm
D 600 mm
L 680 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.
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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

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Product Detail
Model Number :
QJB-W 1.5
Current draw :
4.1 A
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
Contact Supplier
QJB-W 1.5 Submersible Sludge Recirculation Pump 1.5 kW Energy-Efficient with DN 400 Discharge Flange for Small-Scale WWTPs

Nanjing Lanjiang Water Treatment Equipment Co., Ltd

Verified Supplier
1 Years
jiangsu, nanjing
Since 2001
Business Type :
Manufacturer
Main Products :
Industrial Tank Mixer, Sewage Aerator, Water Aeration Equipment
Total Annual :
40000000-70000000
Employee Number :
80~100
Certification Level :
Verified Supplier
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