NGT - Tandem Dry Gas Seal with Prepositive Labyrinth

Scope of Application : 

  • The tandem seal can be used where the sealed gas pressure is close to the atmosphere, whose structure is a tandem seal with a prepositive labyrinth.
  • It can not only avoid seal failure caused by negative pressure differential between inboard cavity and flare cavity but also prevent large volume gas flowing through the process labyrinth into the inside of compressor.


Operating Limits : 

  • Pressure: 100 bar
  • Temperature: -40 ~ 260°C
  • Speed: 150 m/s