Cantilever Monoblock Pumps
General Overview
Reliable pumping equipment is essential for the operation of water supply, sewage, and heating systems in both residential and industrial facilities.
Upremi KM pumps are designed for pumping water, fuels, chemical liquids, acids, alkalis, and food-grade fluids, depending on the application.
They are also widely used in heating and cooling systems for the circulation of water and heat-transfer fluids.
Operating Principle and Design
The working principle of a console centrifugal pump is similar to that of a compressor — except it transfers liquids instead of gases.
Upremi KM pumps belong to the centrifugal type, where a rotating impeller generates pressure and ensures continuous fluid movement.
Each pump is made from high-grade stainless steel and equipped with a flanged electric motor mounted on a common base.
This monoblock configuration ensures compact design, low vibration, and simplified maintenance.
The pumps can safely handle corrosive media, including hydrochloric acid solutions up to 40%, as well as liquids containing solid particles up to 2 mm.
Classification by Pressure Range
Upremi centrifugal pumps are categorized according to the generated head pressure:
Low head – up to 20 m of water column
Medium head – up to 40 m
High head – up to 60 m
The impeller consists of one or two disks with curved blades.
Centrifugal force expels the liquid toward the periphery, creating a vacuum at the inlet and forcing continuous suction and discharge flow through the pipeline.
Main Models and Series
K – horizontal version with an elastic coupling drive.
KMP – console-monoblock version for water supply systems (similar to KM).
KM – true monoblock pump where the impeller is mounted directly on the motor shaft without an intermediate coupling.
KML – linear pump with coaxial suction and discharge nozzles and a vertical impeller axis.
Popular models include:
KM-50-32-120, KM-50-32-125, KM-50-32-130, KM-50-32-142, KM-50-32-148, KM-50-32-154, and KM-65-50-160 — all engineered for durability and efficiency.
Key Advantages of Upremi KM Pumps
✅ Flanged motor mounting minimizes vibration and ensures perfect alignment.
✅ Central shaft with precision bearings guarantees stable, smooth operation.
✅ Low noise level and easy maintenance.
✅ Quick start and stop functions.
✅ Mechanical seal independent of rotation direction.
✅ Optionally available in explosion-proof (Ex) configuration for hazardous areas.
Installation Recommendations
Before installation, prepare a solid and level foundation, ideally a reinforced concrete base with anchor bolts.
Because the pump generates vibration during operation, the foundation must be stable and slightly larger than the unit footprint.
Flanged suction and discharge connections should be properly sealed with gaskets.
Heavy pipelines must be supported by mounts or hangers to prevent mechanical stress on the pump casing.
Install shut-off valves on both sides of the pump to simplify maintenance and prevent fluid loss during service.
To reduce vibration and resonance, use anti-vibration inserts and supports — this significantly extends bearing and housing lifespan.
Maintenance and Service
Typically, bearings and seals are the only components requiring periodic replacement, while the rest of the structure is designed for long-term operation.
Maintenance should follow the manufacturer’s instructions and include:
Visual inspection for leaks and flange integrity
Checking shaft seal tightness and bearing temperature
Cleaning or replacing inlet filters
Tightening all bolts and fasteners
Lubricating bearing assemblies
Inspecting the impeller and internal surfaces for wear
Regular diagnostic inspections help prevent breakdowns, overheating, or accidents.
If unusual noise, vibration, or overheating is detected, the pump must be stopped immediately for inspection.
Conclusion
Upremi KM series monoblock centrifugal pumps are a reliable and efficient solution for water supply, heating, and industrial fluid transfer systems.
They combine robust stainless-steel construction, high efficiency, low noise, and easy serviceability, ensuring long-term, trouble-free performance under continuous operation.
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