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Klaus Union SLM SV Series Magnet Drive Pumps

  • Multi-stage side-channel centrifugal pump with magnetic drive, based on DIN EN ISO 15783
  • Self-priming capability with low-NPSH first stage, ideal for interrupted suction and gas-handling
  • Up to 8 stages, enabling high head performance
  • Double (or single) containment shell options, including monitored safety double shell
  • Permanent magnet drive, hermetically sealed—no dynamic seals, no leakage risk
Parameter SLM SV Series
Brand Klaus Union
Standards DIN EN ISO 15783
Pump Type Multi-stage side-channel, self-priming
Max Stages 8
Flow Rate (Q) Up to 42 m³/h (≈185 US GPM)
Head (H) Up to 470 m (≈1,542 ft)
Temperature Range –120 °C to +250 °C
Pressure Rating Up to PN 400
Magnetic Drive Permanent, maintenance-free
Containment Shell Single or double; steel, non-metallic, monitored shell
Impeller Material Duplex stainless steel or DLC-coated
Bearings Silicon-carbide journal; grease or oil-lubricated bracket
Configurations Close-coupled (SVB), Bearing-supported (SVN/SVS/SVO)
Gas Handling Supports gas-laden liquids; low-NPSH first stage
Self-Priming Yes – ideal for dry starts or interrupted suction

Advanced Multi-Stage Side-Channel Pumps with Magnetic Coupling

When safety, performance, and durability are mission-critical in fluid handling applications, Klaus Union SLM SV Magnet Drive Pumps provide a reliable and leak-free solution. Developed in accordance with DIN EN ISO 15783, this pump series combines multi-stage side-channel hydraulics with hermetic magnetic drive technology, offering optimal performance for industries requiring safe, sealless, and self-priming pumping.

This series is engineered for applications involving high differential head, gas-laden liquids, interrupted suction, and aggressive or hazardous fluids. Whether in the chemical industry, power generation, cryogenics, or cooling circuits, the SLM SV’s robust modular design and material flexibility provide unmatched operational safety and efficiency.


Technical Excellence in Every Detail

The SLM SV features a multi-stage design (up to 8 impellers), delivering heads up to 470 meters, while maintaining flow rates up to 42 m³/h. A low-NPSH first-stage impeller enables effective self-priming, ideal for situations where suction interruptions or vapor-laden liquids are common.

The magnetically coupled drive system completely eliminates dynamic shaft seals—removing any risk of leakage. With single or double containment shells, optional leak monitoring, and explosion-proof bearing brackets, safety is engineered into every aspect of this pump.

Thanks to a wide selection of premium materials—from duplex stainless steel, DLC-coated impellers, to non-metallic and ceramic containment shells, along with silicon carbide bearings—the SLM SV is built to withstand corrosive, toxic, and high-temperature fluids up to +250 °C, and system pressures up to PN 400.

Available in close-coupled (SVB) or bearing-supported (SVN, SVS, SVO) configurations, it can be adapted to a broad range of installations.


Conclusion

The Klaus Union SLM SV represents the pinnacle of magnet drive pumping systems, built for demanding process conditions and hazardous fluids. With its superior engineering, modular flexibility, and zero-leakage operation, it provides long-term value and safety assurance across many industries.

As the official distributor of Klaus Union in Vietnam, SK Tech is proud to offer genuine SLM SV series magnet drive pumps with full technical support, documentation, and after-sales services. Contact SK Tech today to find the ideal magnetic pump for your application needs.

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