Single Cartridge Seal

The AESSEAL CSS™/CSSN™ range of cartridge mechanical seals has been designed as high-performance sealing solutions for general applications.  These products build on over a decade of proven performance from the AESSEAL CURC™ and CDSA™ range of seals.  They combine this with cutting-edge manufacturing techniques to represent the best value-for-money sealing solutions available today.


  • Multi-spring design –  Alloy 276 helical coil springs ensure accurate uniform seal face loading throughout seal life

  • Reliable drive – Drive screws clamp directly on to shaft or sleeve to minimise drive loss

  • Modular seal face design – Hydraulically-balanced seal face esign ensures optimum fluid film during process fluctuations

  • Captured rotary O-ring – Captured O-ring design prevents extrusion under vacuum conditions

CSS CSSN - Single Cartridge Seal
CSS - CSSN - Cross Section

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Suitable for the following industries

  • Ethanol