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The LS101.661 Submersible Screw Centrifugal Pump is engineered to operate reliably in the most demanding fluid management environments. When dealing with heavy sludge, fibrous materials, and unpredictable solid waste, standard pumping equipment often struggles with blockages and mechanical fatigue. This unit is specifically designed to bypass those limitations, providing consistent fluid transfer in environments characterized by strong odors, abrasive particulates, and continuous heavy-duty cycles. The smooth, vibration-free operation ensures minimal disruption to surrounding infrastructure.
Wastewater treatment in environmental protection: Handles complex, abrasive fluids containing organic waste and debris, ensuring environmental protection facilities maintain continuous processing without unexpected maintenance halts. The non-clogging design easily processes thick, odorous sludge.
Water conservancy, water diversion engineering, comprehensive pumping station: Delivers a massive maximum flow of 1000 m³/h, providing the necessary volumetric capacity for large-scale water diversion and flood control infrastructure. It maintains steady flow rates even during peak volume surges.
Wastewater discharge from enterprises and factories: Built to withstand the harsh, chemically aggressive nature of industrial effluents. The robust construction mitigates the corrosive impact of factory discharge, extending the operational lifespan of the fluid management system under severe conditions.
Municipal sewage treatment plant drainage system: Fully compliant with rigorous international safety and performance standards (including ISO and CE equivalents), fulfilling the strict technical prerequisites for municipal bidding and large-scale public works projects.
Whether submerged deep in a concrete municipal holding tank or operating in an industrial runoff basin, the pump maintains exceptional volumetric efficiency. The heavy, metallic thud of the pump seating firmly onto its base is a testament to its solid, industrial-grade construction, ready for immediate deployment.
Before reviewing the precise specifications below, it is essential to understand the structural integrity behind the LS101.661 model. Operating a vertical and submersible structure requires absolute protection against fluid ingress. This is achieved through a meticulously integrated double mechanical seal system, which acts as a definitive barrier between the conveying medium and the internal electrical components. Furthermore, the motor is protected by intelligent sensor systems that actively monitor for potential leaks or thermal overload, ensuring absolute safety in submerged environments.
To support continuous operation at a 65-meter maximum head and 1000 m³/h flow rate, the pump utilizes an advanced thermal management system. The 380V, 50Hz motor is equipped with a water-cooled or oil-cooled jacket for dry use, rapidly dissipating heat even under maximum load conditions. This allows for flexible deployment in both fully submerged and dry-pit configurations without risking overheating.
Product Name | Submersible screw centrifugal pump |
Model (Serial Number) | LS101.661 |
Structure | Vertical and submersible |
Sealing Method | Double mechanical seal |
Maximum Flow（m^3/h） | 1000 |
Maximum Head(m) | 65 |
Voltage(v) | 380 |
Frequency (HZ) | 50 |
Outlet Diameter（mm） | 200-500 |
Temperature Of The Conveying Medium（℃） | 0-60 |
Cooling Method | Water cooled or oil cooled jacket for dry use |
Customized | Export guide shoes, oil cooling sleeve |
After-Sale Service | Online service |
The operational temperature range of 0-60℃ accommodates a wide variety of industrial effluents and municipal sewage. For installation, the availability of customized export guide shoes and an oil cooling sleeve facilitates seamless integration into automatic coupling systems. This precise engineering means maintenance crews can perform rapid lifting, inspections, and re-submersion without the need to drain the entire holding tank, drastically reducing site downtime, eliminating exposure to hazardous fumes, and lowering overall labor expenditures.
To ensure the LS101.661 performs reliably over an extended lifecycle, every aspect of its internal architecture and external housing has been optimized for heavy-duty fluid management.
At the heart of the pump lies its specialized screw centrifugal impeller. Unlike traditional flat or channel impellers, this geometric design provides a low-shear, non-clogging trajectory for the fluid. As thick sludge, long fibrous materials, and large solid particulates enter the 200-500mm outlet diameter intake, the corkscrew action gently yet forcefully pushes the medium through the volute. This minimizes the physical degradation of the pumped material while preventing the entanglement that typically causes motor stalls in standard wastewater pumps.
Submerged environments expose equipment to constant abrasion and chemical attack. To combat this, the main pump body and all critical wetted components are cast from high-strength, wear-resistant alloys and premium stainless steel. Following the casting and machining phases, the exterior surfaces receive a specialized industrial anti-corrosion coating. This multi-layer defense system ensures the structural integrity of the pump remains intact, resisting rust and pitting even after years of continuous exposure to aggressive municipal sewage and industrial runoff.
Reliability in critical infrastructure requires strict validation. Every single unit undergoes a comprehensive battery of factory tests before deployment to guarantee field readiness:
Dynamic and Static Balancing: The impeller and shaft assemblies are precision-balanced to eliminate microscopic vibrations, ensuring smooth, quiet operation and extending the lifecycle of the internal bearings.
Performance Curve Verification: Flow rate and head pressure are empirically validated across multiple duty points to guarantee the pump consistently meets its specified 1000 m³/h and 65m operational ratings.
High-Pressure Seal Integrity: The double mechanical seals are subjected to extreme pressure differentials in test chambers to verify absolute watertight performance under maximum submersion depths.
