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HM11B- Double Dry Gas Seals for Small Seal Chamber
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HM11B- Double Dry Gas Seals for Small Seal Chamber


HM11B- Double Dry Gas Seals for Small Seal Chamber

  • Used for sealing low temperature, volatile medium, high reliability;
  • No pollution to process medium, ensure the high purity of pumping process medium;
  • Pump cavitation and pump depletion will not deteriorate the performance of the seal;
  • The power consumption of the non-contact operation of the whole set of seal is only about 10% of the traditional double seal, and its service life is more than 3 years;
  • Because of non-contact, seal friction heat is very low, do not need to circulate the sealing gas, also do not need to use water to cool the seal.


  • Zero-fugitive emissions;
  • Dual balance design with reverse pressure capability;
  • Cartridge structure, easy to install;
  • Simple gas barrier system;
  • Compact design, for use in small seal chamber.

Performance Capability:

  • Temperature:-60~200℃;
  • Pressure:≤1.5MPa;
  • Speed:500~3000rpm;
  • Application:for use in media containing a small amount of particles.

HM01A P&IHM11B Double Dry Gas Seals P&ID




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