Wittur Electronic Overspeed Governor

Medium speed and rise governor

Overspeed Governor

For high speed and high rise applications

Wittur Compact tension Weight

Research for innovative solutions and rigid control of product quality are key features of Wittur Safeties.

Wittur overspeed governors can cover a broad range of rated loads and speeds and can be applied both to machine roomless and traditional installations.

Our overspeed governors can be engaged at any point along perimeter of pulley and assure high life time due to limited pulley wear.
Wittur Electronic Overspeed Governor

EOS



With the EOS you are welcomed to the 21st century with a  state-of-the-art electronic overspeed detection technology.
Thanks to the sophisticated electronics installed, the EOS reacts without any time delay.
EOS was the very first electronic overspeed governor introduced on the worldwide elevator market to enable a full range of different UCM situation for every installation need. EOS is compliant with requirements of Lift Directive and EN 81-20/ 50:2014


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Medium speed and rise governor

OL35 / E / M



The OL35 detects overspeed by its flyweight mechanism and engages the safety gear on the entire circumference of brake mechanism.
This brake mechanism is pre-adjusted and limits the brake-force to protect the synchronization of the safety gear from excessive stress to the linkage.


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Overspeed Governor

OL35-NA, OL35E-NA





  • Engagement of the safety gear in down direction
  • Overspeed contact operated in up and down direction
  • Outline dimensions do not change over whole speed range
  • Tripping possible at any point along perimeter of governor pulley
  • Guaranteed minimum rope pull through force 500N
  • Pull through force created by inbuilt friction brake exerting brake torque to governor pulley
  • Suitable for conventional elevators with machine room but also for MRL-elevators
  • Wide range of options available as remote control, base plates, tension weights, providing maximum flexibility
  • Meets code requirements of ASME A17.1

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For high speed and high rise applications

OL100 / OL120





  • Engagement of the safety gear in down direction
  • Overspeed contact operated in up and down direction
  • Outline dimensions do not change over whole speed range
  • Tripping possible at any point along perimeter of governor pulley
  • Pull through force created by jaw type rope brake
  • Pull through force continuously adjustable between 1.100N to 2.100N
  • Suitable for conventional elevators with machine room but also for MRL-elevators
  • Wide range of options like base plates, tension weights are available, providing maximum flexibility
  • Component certified according to directive 95/16/EC (Lifts)
  • Meets code requirements of EN81 and ASME A17.1; also available with Russian and Korean Type Examination certificates
 

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Tension weights




Wittur offers a complete range of tension weights that can be coupled with its overspeed governors.

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Wittur Compact tension Weight

CTW



Narrow design and less weight of device makes the CTW the perfect choice for tight space requirements in elevator pits.


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