Just as single-girder bridge cranes, the double-girder cranes´span is limited by transporting capabilities of driveways to the place of installation. The load bearing capacity of double-girder cranes with standard hoists is up to 80 000 kg. Cranes with hoists with open winch can be supplied without any load bearing capacity and height lift limitations.



Double-girder cranes are suitable solution for heavy operations. Double-girder design is variable and optional in various versions such as: with service platforms or bridges, with auxiliary lifts, with range of user´s speeds and control systems etc.




 Technical information

Maximum load bearing capacity up to 80 000 kg (with standard hoists), unlimited capacity for hoists with an open winch
Colour of a steel construction is RAL 1007, components in the original colour
Span limited by transporting capabilities
Hight of lift up to 40 m
Speed of crane trolley drive normally up to 40 m/min, smooth moving
Speed of hoist trolley drive normally up to 20 m/min, smooth moving
Speed of lift up to 20 (m/min)
Girders are made of box constructions or tube-shaped profiles
We supply rope hoists STREET of high quality, or our hoists made to measure
Controlling via hanging button-controllers or via radio remote controllers
Crane is equipped with one or two hoists working either independently or in tandem (at the same time) using just one controller
Power supply of crane via cable trolleys, via closed trolleys covered by plastic or via energy chains
Profile type rolled with I - shaped cross - section or box welded
Lift of hooks two-speed (the main lift and micro lift)
The possibility to place the crane both inside and outside










  • Each crane is projected to measure according to customer´s requirements to be adapted to a place and shed´s conditions (or to open space) and still work effectively
  • Lay out of crane weight into two end carriages guarantees safe handling with very heavy load
  • Long-term operation without any incidents and with minimal costs for maintenance
  • Remote control
  • The possibility to place the crane both inside and outside
  • Safety hooks prevent the load from sliding
  • They make the work with very heavy burden easy and effective
  • Safety and reliability during working







 Accessories and Options

  • In case of remote control, the crane could be equipped with emergency control via the hanging button-controller which could move along the whole crane independently of crab trolley drive or it could be connected to the main switchboard of the crane via connector
  • Crane is equipped with two hoists working either independently or in tandem (at the same time) using just one controller
  • Weighing of transported load with an output to a crane display, to a controller display or to PC
  • Anti-collisional systems in case of several cranes being on one railway
  • Automatic control system, special grabbing equipment
  • Version with a slewing beam, with a grab or with a magnet
  • Colour of cranes according to customer´s requirements
  • Crane controlling from a cab, service platforms along the bridge
  • Modification for use in potentially explosive atmospheres





Why Cralif?




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