Mechanical seals for compressors


In centrifugal natural gas blowers of gas pumping units of the oil-trunk pipelines, underground storehouses of gas, turbo-expander installations and compressors.


  • Single
  • Double
  • Combined. The basic face seals, auxiliary slotted or labyrinth. Off-line buffer fluid circulating system is employed.



  • Buffer fluid is oil turbine;
  • Cooling is compulsory circulation of valve liquids through the chamber of seal with the consequent choking.