Gas-lubricated seals

DGS DGS
  • Gas-lubricated
  • Uni-directional or bi-directional
  • Ready-to-fit cartridge unit
  • Single, double, tandem and tandem with intermediate labyrinth available
  • Separation seals as labyrinths, carbon rings or CobaSeal are optionally available
PDGS PDGS
  • Gas-lubricated
  • Uni-directional or bi-directional
  • Elastomer-free
  • Ready-to-fit cartridge unit
  • Single, double, tandem seal and tandem with intermediate labyrinth available
  • Separation seals as labyrinths, carbon rings or CobaSeal are optionally available
MDGS MDGS
  • Gas-lubricated
  • Bi-directional
  • Compact, radial design
  • Ready-to-fit cartridge unit, also available as a component seal
  • Single, double, tandem seal and tandem with intermediate labyrinth available
TDGS TDGS
  • Gas-lubricated
  • Uni-directional or bi-directional
  • Elastomer-free, no dynamic O-ring
  • Ready-to-fit cartridge unit
  • Single seal available
NF941 NF941
  • Single seal with double seal function
  • Non-contacting from static to high speed condition
  • Balanced
  • Bi-directional
  • Stationary multiple springs
RoTechSeal RoTechSeal The efficient sealing solution with advanced robustness against seal gas supply contamination(particles/liquids)

  • Gas-lubricated
  • Uni- or bi-directional
  • Ready-to-fit cartridge unit
  • Available for all seal arrangements: single, double, tandem
  • Based on proven DGS or PDGS design
  • Separation seals as labyrinths, carbon rings or CobaSeal optional