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Rail Clamp Type BSZ

HOLDING FORCE: Up to 800 kN (higher force on request)

These rail clamps are storm brakes static suitable for small to medium forces. They are spring actuated; the spring exercise the closing force while an hydraulic cylinder fed by a suitable hydraulic unit provides the opening.

  • Holding force up to 800 kN
  • Vertical float = ± 7,5 mm (to be checked)
  • Horizontal float = ± 30 mm
  • Rail tolerance= ± 1,5 mm
  • Opening time = 4 seconds
  • Adjustable closing time (4 ÷ 12 s)
  • Easy maintenance
  • Emergency manual opening device


  • Hand Pump
  • Working temperature different from standard (-20°+40°)
  • Double side flanges or upper flange (with hydraulic unit supplied separately from rail clamps)
  • Flange for buffer fixing
  • Hydraulic unit suitable to operate with more rail clamps
  • Electrical board (on plate or box IP55)
  • Limit switch which signals “rail clamps closed”
  • Mechanical limit switch instead of inductive
  • Wider horizontal and vertical float
  • Security side stowage pins (to be inserted into suitable socket on the quay)
  • Manufacturing according Q.C.P. different from our standard (Nuclear plan or special application)
  • With special teeth for vertical force
  • Language of documentation different from standard
  • Certificates of materials (EN 10204-2.2, EN 10204-3.1 o EN 10204-3.2) for all main components

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