DESCENDING PORTALS

  • Circular frame construction with integrated, individually operable swinging doors. The entire element can be recessed into the ground at the touch of a button
  • Electrohydraulic lifting mechanism for raising and lowering of the construction. Execution according to the latest guideline mechanical engineering guidelines
  • All guide elements in a hidden design (guide only in the machine room)
  • Upper bolt locks keep the portal firmly closed even under wind pressure