U Type Double Girder Gantry Crane

U type double girder  gantry crane uses a U-shaped door frame with too big leg space (nearly 7  meters). It consists of double-beam welded structure, electric trolley, two ground  beams and four legs. It is suitable for loading, unloading,  lifting and transferring container or other large goods in container depots, railroad  freight yard, seaport and outdoor storage.Parameters  feature:Lifting capacity: 10~50tSpan:  18-35mMax.  lifting height: 12mLifting  speed: 6m/min ~ 18.4m/minTrolley  traveling speed: 38.13m/min ~ 51m/minCrane traveling speed: 43.8m/min ~ 54.6m/minWork  duty: A5-A7Work temperature: -20°C-+40°CControl  method: Cabin controlSafety  feature:Wind  alarm includedRollover  protection includedEmergency  stop system includedShaft-broken  protection includedVoltage  lower protection includedOverload  protection device includedPolyurethane  materials buffer includedLifting  and traveling limit switch includedPayment  term: 30%T/T advanced payment and 70%T/T before deliveryDelivery  time: Within 30-60 working days after deposit receivedPackage:  Electric hoist and crane parts will be packed by plywood crate, main girder  packed by water-proof clothAfter  sales-services: 18 months warranty; installation, commissioning and training  services overseas; technical advisory for any time.