Products Description
The DMC centrifugal magnetic drive pump is a seal-less centrifugal pump developed by our company to meet the needs of industries such as petroleum, chemicals, biotechnology, pharmaceuticals, and nuclear power.
The pump's performance parameters are designed according to the ISO 2858 standard, while its structure follows the API 685 standard for seal-less centrifugal pumps in the petroleum, heavy chemical, and natural gas industries, as well as GB/T 25140, which specifies technical requirements for shaft-less rotary dynamic pumps.
The magnetic drive pump features high standardization, modular design, and excellent parts interchangeability. This reduces manufacturing lead time, speeds up maintenance, and broadens the application range of the CQB magnetic drive pump.
Model Description
Impeller cutting code
Impeller outer diameter (mm)
Pump outlet diameter (mm)
Pump inlet diameter (mm)
Magnetic drive pump
Product Details
Working Temperature (t): <350℃
Medium Viscosity (u): ≤100mm/s
Working Pressure (PN): ≤5.0MPa
Speed: 2900r/min; 1450r/min; 960 r/min
Design Features
Shaft Seal-Free Design
The key feature of the centrifugal magnetic drive pump is its seal-less design. Unlike traditional pumps that rely on mechanical seals to prevent leakage-which are prone to wear, aging, and failure-the magnetic drive pump transmits torque through the magnetic coupling between the inner and outer rotors. This eliminates the need for mechanical seals and effectively prevents medium leakage. It is particularly suitable for handling flammable, explosive, toxic, or high-purity liquids.
Compact Structural Layout
The centrifugal magnetic drive pump features a compact design with a small footprint. Its streamlined internal structure reduces unnecessary components, making the pump lighter and easier to handle. This is especially beneficial for industrial sites with limited space, such as offshore platforms or small chemical workshops. The compact design simplifies installation and maintenance, lowers transportation and installation costs, and enhances heat dissipation, contributing to a longer service life.
Special Design of Isolation Sleeve
The isolation sleeve is a key component of the centrifugal magnetic drive pump. Made of non-magnetic material, it completely separates the inner magnetic rotor from the conveyed medium. This ensures efficient magnetic torque transmission while protecting the magnet from corrosion and wear. The sleeve's material is highly resistant to chemicals and abrasion, allowing stable operation in harsh environments. When handling media containing particulate impurities, the isolation sleeve prevents contamination of the magnetic drive, safeguarding critical components and ensuring reliable pump operation.
Performance advantages
Excellent Sealing Performance
Thanks to its seal-less design, the centrifugal magnetic drive pump ensures zero leakage under both normal and high-pressure conditions. This makes it ideal for industries with strict sealing requirements, such as pharmaceuticals and food & beverages. In pharmaceuticals, it prevents contamination and maintains product purity. In food and beverage applications, it ensures transported materials remain safe and uncontaminated.
High Efficiency and Energy Saving
With reduced friction losses from mechanical seals and optimized hydraulic design, the magnetic drive pump operates efficiently, consuming less power to achieve the same flow and head as traditional pumps. In large chemical plants, using magnetic pumps can reduce energy consumption by 15–20%, supporting cost savings and sustainable development.
Stable Operation
The magnetic drive ensures smooth, low-vibration, and low-noise operation. High-precision processing of the impeller and pump shaft improves dynamic balance and further reduces vibration. This stable performance enhances reliability and service life while providing a quiet working environment, making it suitable for laboratories and precision manufacturing facilities.
Application Advantages
Wide Industry Applicability
Centrifugal magnetic drive pumps are suitable for chemical, petroleum, pharmaceutical, food & beverage, electronics, and other industries. They handle chemical raw materials, intermediates, and finished products; crude oil and refined products; pharmaceutical liquids; food products like juice, syrup, and milk; and high-purity electronic chemicals. Their versatility makes them essential for industrial fluid transport.
Ideal for Special Media
Magnetic pumps excel in transporting high-temperature, high-pressure, highly corrosive, flammable, explosive, or ultra-pure media. The seal-less design and corrosion-resistant materials ensure safe, leak-free operation. For flammable or explosive liquids, they prevent spark-related accidents, and in ultra-pure applications like semiconductor manufacturing, they maintain media purity.
Adaptable to Complex Conditions
These pumps perform reliably under continuous or intermittent operation and frequent start-stop cycles. They can be adjusted for different flow and head requirements via motor speed control or frequency conversion, ensuring stable and precise operation. For example, in water treatment systems, magnetic pumps automatically adjust flow to meet varying demand, maintaining a consistent and reliable water supply.
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