750 Series

  • Floor spring with adjustable force suitable for heavy doors or heavy duty
  • Adjustable force EN 3-6 according to EN1154
  • Suitable for fire and smoke doors
  • For single action doors and / or a fan up to 300kg


  • Closing from 175 ° in both directions, with hydraulic control from 150°
  • Independent valves and thermodynamic to ensure a constant performance under varying conditions of temperature
  • Closing speed and latching action adjustable via separate valves
  • Check effect
  • Cast iron body
  • Deposit to be walled galvanized
  • Pins interchangeable from 0 to +30 mm
  • Available in a version without stop, with stop at 90° and 105° stop