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Gas-Hydraulic Buffers PB

DBB 55 – 140

Gas-Hydraulic Buffers are installed as impact energy absorber on crane gantries, trolleys, elevators, stackers, reclaimers and other industrial equipment.

  • Installation position: no restriction
  • High reset force
  • Very high buckling strength
  • Very robust guidance and bearing
  • Low and high viscosity damping fluid
  • Surface: Buffer tube painted in lemon green (standard), piston rod double hard chromium plated (standard)
  • Front or back mounted flange in round or square execution available
  • Very short activation time after impact
  • Temperature range -30 °C to +60 °C
  • Corrosion protection according to DIN EN ISO 12944 C3

See Accessories for more specific features.


  • Special mounting flanges on request
  • Safety wire rope
  • Protection bellow
  • Optionally constant reaction force over the entire stroke or increasing reaction force in the beginning stroke range
  • Corrosion protection according to DIN EN ISO 12944 C4
  • Temperature range -40 °C to +80 °C
  • Special coating & special seals
  • Tube in tube
  • Bellows
  • Special impact cap
  • Safety rope
  • Special materials
  • Damping fluid
  • Resetting force

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