Welcome to consult double girder overhead bridge crane with electric hoist for lifting heavy duty materials price and quotation with Henan Dowell Crane Co.,Ltd, which is one of the leading double girder overhead bridge crane with electric hoist for lifting heavy duty materials manufacturers and suppliers in China, and we can offer you customized products.Product Details     Key Specifications/Special Features:Design, features and specifications: Widely used heavy duty light weight LH overhead crane is used when heavier loads, wider spans or higher working frequency are requiredDouble girder cranes consist of two torsion-free box girdersThis makes double girder cranes suitable for lifting and transporting loads over 10T and for span of more than 25mDouble girder overhead cranes are available with load capacities up to 100T and with spans up to 50mHeavy duty end carriage joints ensure positive contact of all four wheels with the trackThe profiles of the main girder are optimally produced using an integrated technology which is weldless, so that maximum performance with a minimum of dead weight can be achievedOptional features:Variable speed through VVF driveSoft starterSlip ring motorsWireless radio remote controlShrouded DSL system for power feedingFlameproofCabin operatedPLC automatic control systemAdvantage:1). Compact design, optimal use of the work areas2). Heavier loads, wider spans and higher working frequency3). Control the load easily, position the load exactly4). Superior safety and reliability5). “One-stop shop” for your crane and hoist needsSafety:Overload protectionMain lifting motor with thermal protectionHooks with latchRubber buffersProtective earthingEmergency switchSub-assemblies characteristic are tested before assemblyAll cranes must be preassembled and tested before leaving factory and offer the certification of testStandard features:Design:Motors: the motors are used specially crane duty suitable for frequent starting, reversing and braking in accordance with ISO 9001:2000 ISO 14001:2004Brakes: independent hydraulic brake make the crane safer and easier to controlGear box: the entire gear boxes are made of accurate hob cut helical/spur gears and pinions having hardness 250 to 350 BHN made from carbon alloy steelWheels: the wheels of crane crab, main beam and end carriage are produced in our special vacuum casting workshop (no sand inclusion technique) which makes our wheels more elastic and outer surface hard-wearing and durableElectrical panel: nodular design, ease to install and maintain, reliable operation, fuse less circuitry, ducted wiring and compact terminals, motor overload protection to prevent overloadingLimit switch: safety limit switches for stoppers will be provided to prevent over traveling in all motionsPainting: two coats of primer before assembly and two coats of synthetic enamel after testing Product process:Factory overview: