KSB Introduces New Zero-Leakage Mag-Drive Pump Series

Contributed by: PumpScout Staff

KSB is a leading manufacturer of pumps and related equipment based in Frankenthal, Germany. The company recently announced its new RPHmdp zero-leakage mag-drive pump series in back-pull out design for use in petrochemical plants and refineries.

Built to US standard API 685, the horizontal, radially split volute casing pump offers reduced maintenance costs and extended service life. The pump, designed by KSB engineers in South Africa, combines the reliable and durable RPH hydraulic system with a state-of-the-art magnetic drive.

The pumps are typically used in applications transferring hazardous fluids such as hydrocarbons containing benzene, which are subject to very strict emission regulations. They are also effective for the transport of a wide variety of other fluids found in petrochemical plants and refineries, including those that are clean, explosive, toxic, or valuable.

Various material options for containment shrouds are available depending on the application and requirements regarding eddy loss and efficiency. One example is carbon fibre reinforced PEEK material, which is highly corrosion-resistant and ensures zero eddy current losses.

The pumps feature very low vibration levels during operation because each pump rotor goes through static and dynamic balancing during the manufacturing process. Additionally, KSB’s patented plain bearings dissipate heat and expel particles that penetrate the magnetic coupling chamber. These features serve to increase the pumps’ overall service life.

The RPHmdp type series can handle flow rates up to 300 m3/h (1321 gpm) and a maximum head of 270 m (886 ft) and operate in temperatures ranging from -40 °C to +300 °C. The pumps are assembled in Brazil, India, Argentina, South Africa, and Germany to ensure local availability worldwide.


Source: KSB

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