Mechanical Seal CB2S

Balanced single seal.



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Single cartridge seal with double hydraulic balancing and multiple-springs out-side the process.

Designed for ISO pumps used at medium pressure and temperature. Installation in made easy with the new Fluistrip positioning device and the flange slots which adapt to different stuffing boxes. Enhanced reliability guaranteed by solid rings, designed with the use of finite element analysis (FEA).

25 – 100 (mm) *0 – 12 (m/sec)0 – 12 (bar g)-50 – 250 (°C)
(*) for measurements in inches, please contact our technical sales office.


  • Sliding drive device compensates for any movements and maintains contact with the rotating ring.
  • Double balanced seal for enhanced performance.
  • Flushing connections from the pump discharge (PLAN11) or flushing from an external source (PLAN 32).
  • Fluistrip: positioning device for correct and easy installation, to be pulled off after assembly but before starting-up the machine.
  • Slotted flange for more flexible mounting.
  • Spring outside the product.


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