Introduction: Single girder gantry crane is a type of light small gantry crane with a single girder and rail travelling. The single girder gantry crane is designed for generally material handling, with the lifting capacity around 1 to 20 tons, and working class a3, or a4. Components: Single girder gantry crane is mainly consisted of gantry frame, i.E. Main single girder, legs, bottom end beams, lifting mechanism, travelling mechanism, and electrical control. It can be designed with two hanging arms, one hanging arm or no-hanging arm according to client's lifting requirements and application environment. Application: Single girder gantry crane is regular crane, designed for general material handling, which is frequently used at open ground, warehouse, ports, granite industry, cement pipe industry, open yard, container depots and shipyards, etc. However, it is forbidden to handle melt metal, inflammable. Or explosive objects. Advantages: ·simple structure, easy installation ·good usability and high performance efficiently ·low and easy maintenance ·standardized, generalized and serialized parts. Safety feature: ·overload protection devices are equipped which will give a sharp alarm warning when overloads happen. ·limit switches is used to prevent over lifting or lowering of the crane hook. ·high quality polyurethane buffer is used to ensure a long time working life. ·room control and remote control are available for the sake of your operatorâ??s safety. ·low voltage protection is used in case of the unstable voltage supply. ·emergency stop button is installed to stop the equipment when emergency happens. ·current overload protection system and others, etc.