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Anti-corrosion industrial pumps suitable for pumping acids and bases fluids and highly corrosive liquids
The HCM series magnetic drive centrifugal pumps are manufactured in thermoplastic materials (PP or PVDF) and are specifically designed for handling highly corrosive fluids and heavy-duty industrial applications, thanks to their robust and reinforced construction.
The pump casing is machined from a solid thermoplastic block, ensuring superior mechanical strength and excellent resistance to high pressure and elevated temperatures.
Power transmission is achieved through magnetic couplings, eliminating the need for a mechanical seal. This sealless magnetic drive system guarantees maximum operational safety and high efficiency, significantly reducing the risk of leakage and fugitive emissions.
* The head and flow of the pump refer to the performance with water at room temperature. Should liquids at high temperatures and with high viscosity and density be pumped the performance has to be calculated accordingly. The electric motor should be selected on the basis of the viscosity and the specific weight given by the customer.
* GemmeCotti supplied customized pumps with trimmed impellers based on the working point required by the customer. For any further information and quotation you can fill in the online form or send an email to info@gemmecotti.com. Our commercial office will select the pump suitable for your needs.
The HCM series pumps are manufactured in thermoplastic materials (PP or PVDF), offering excellent compatibility with acids, alkaline solutions, chemicals and hazardous fluids. These materials ensure high corrosion resistance and long-term durability in aggressive environments.
The pump casing of the HCM series is machined from a solid thermoplastic block, providing exceptional mechanical strength.
This construction ensures superior resistance to high pressures, elevated temperatures and highly corrosive fluids, making the HCM range suitable for demanding heavy-duty applications.
The oversized front bushing is designed to provide high resistance to axial thrust, improving mechanical strength and extending service life.
HCM pumps are equipped with NdFeB magnets, capable of generating high magnetic torque.
The magnetic drive configuration provides several important advantages:
Unlike many centrifugal pumps available on the market, the pump casing (pump head) of GemmeCotti pumps is secured to the bracket using 8 fixing bolts.
This reinforced fastening system guarantees solid mechanical stability and prevents casing deformation under pressure.
The static shaft used in HCM magnetic drive centrifugal pumps is manufactured in Alumina 99.7% (Al₂O₃), a highly resistant ceramic material.
This ensures maximum structural stability and excellent resistance to aggressive and corrosive chemicals.
Magnetic drive pumps are engineered with a dedicated sealless configuration, making them ideal for handling acids, chemicals, corrosive and hazardous liquids. Their suitability for aggressive media is ensured by the high chemical resistance of the construction materials and by the complete elimination of leakage and fugitive emissions.
The design is mechanically simple and highly reliable, requiring minimal maintenance and allowing significant savings throughout the pump’s lifetime in terms of repairs, spare parts and reduced machine downtime.
This pump technology is not suitable for liquids containing solids. The pumped fluid must always be clean and free of suspended particles to ensure proper and safe operation.
For over 30 years GemmeCotti has been designing and manufacturing chemical pumps for acids, aggressive and corrosive liquids.
