VZM / Manual

Storm brake / rail clamp operated manually type VZM

Application areas:

  • Crane systems
  • Offshore / Ship
  • Steel industry
  • Railbound hall roofs / gates
  • Mining / Material handling

Product type:

  • VZM / manual

Product description

Manually operated storm brake / rail clamp to protect crane systems or railbound machines against unwanted movements e.g. storm.

  • Manually closing and opening
  • Restraining / Holding forces up to 100 kN per clamp
  • Lifting device for clamp shoes
  • Limit switches monitoring for clamp position
  • Lateral compensation for rail misalignment ± 7 mm,
    with floating housing ± 25 mm
  • Guidance of floating housing either with rollers or by a hand lever for the lateral positioning
    (Positioning with hand lever: Area sideways the rails stays free)
  • Clamping jaws will be adjusted to the rail type (Please indicate rail type)
  • MADE IN GERMANY, own production

Technical benefits

  • Technical flexibility
  • High quality and safety level / Reduction of maintenance and follow-up costs

{{ Reparatur }}

Additional to own brand production, RFT is specialized in repairing storm brakes / rail clamps of other brands due to in-house production flexibility.

Rail clamps show wear due to the fact that they are in use over many years, which means they no longer have the neccessary safety levels required.

  • Functional analysis oft he rail clamp / storm brake
  • Renewal of the clamping jaws
  • Renewal of the bushes
  • Renewal of the axis
  • Renewal of the wheels
  • New painting
  • In case of extreme steel wear the construction will be overhauled and restored into the original condition
  • High-grade 2-component paint

In specific situations, the RFT can provide a storm brake as a ring exchange.Therefore the Intralogistics and safety operates smoothly and is undisturbed.

Please indicate your existing rail clamp type.


  • Limit switch protection “Clamp opened” and “Clamp closed”
  • Special painting (Please specify RAL color)
  • Special construction
  • Special flange mounting
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