Stable Quality 20t Qz Double Girder Bridge Crane with Grab

PRODUCT DISPLAY---------------Stable Quality 20t Qz Double Girder Bridge Crane with GrabPRODUCT FEATURES----------- Brief Introduction:Double girder electric overhead crane has the advantages of compact shape dimension, low building headroom height, light weight,small wheel pressure and so on. It uses together with CD1 or MD1 electric hoist. It is suitable for transporting, assembling ,repairing and load; unload works in mechanical processing workshop,metallurgy auxiliary workshop, storage, yards, power station and so on. It can replace normal double-beam bridge crane and being used in workshop of textile industry and food industry. The work type can be divided into two kinds- light class and intermediate class, the temperature of working environment is -25ºC-40ºC,Technical Parameters:     Mechanism ItemUnitResultItem  Lifting capacityton5-50tonWorking grade A3-A5Spanm5-40mWorking environment temperature°C-25~40Travelling mechanismworking speedm/min20-75motortype YZR160M2powerkw2*0.82*1.5rotational speedm/min1380Lifting mechanismlifting speedm/min8/0.8(7/0.7) 3.5(3.5/0.35) 8(7)lifting heightH(m)6 9 12 18 24 30travelling speedm/min20 30working systemA3-A5power source380V 3PH 50HZPRODUCT DETAILS-----------♦ This product has two operational methods, ground(pendent controller /remote controller) or operational cabin room . Lifting MechanismWire Rope Hoist(CD/MD/European Type)Lift Speed: single/dualTravel speed:variableFunction: Lift goods    Electric Winch Main Girder/Beam Double Rigid welded box typeModule designTravel speed:variableFunction:bearing loadMaterial: Q235/345End CarriagesRigid welded box typeModule designGear motor &reducerFunction: Push crane run forward or reverseMaterials:Q235/345ControlGround pendent buttonRadio Remote controlCabin controlElectric partsCircuit breaker/ AC contactor etc electric parts use Schneider /Siemens/ABB/DELIXIEtc famous brand    Advantages of a single girder design:Less expensive due to a simpler trolley design, reduced freight costs, simplified and faster installation, and less material for the bridge and runway beamsMost economical option for light to medium-duty cranesLower loads on the building structure or foundations due to a reduced deadweight. In many cases, it can be supported by existing roof structure without the use of additional support columns.Better hook approach for both trolley travel and bridge travelEasier to install, service, and maintainIdeal for workshops, warehouses, material yards, and manufacturing and production facilitiesLighter load on runway rails or beams means less wear on the beams and end truck wheels over timeGreat for facilities with low headroom Safety Devices for overhead crane:To guarantee the normal operation of crane and avoid the personal casualty and mechanical damage, the safety device we provide are not only the electric protective devices or alarm bell but also other equipments as following:   1.Overload Limit Switch   2.Rubber Buffers   3.Electric Protective Devices   4.Emergency Stop System   5.Voltage Lower Protection Function   6.Current Overload Protection System   7.Rail Anchoring   8.Lifting Height Limit Device  PRODUCT APPLICATION-------------♦ This product  is widely  in loading goods in port, factory, workshop and power plant.It is prohibited to use the equipment in the combustible, explosive or corrosive environment(Need explosion proof type for this). DELIVERY & PACKING   ---------------  ABOUT US------------- Shandong Mingdao Heavy Industry Machinery Co., Ltd.Is located in Taian City,Shandong Province, China , it is near the China famous Mountain Taish, and also near Kongzi Temple.We are mainly engaged in the design, manufacture,installation and maintenance of  single girder cranes(LD Models),  Double Girder Cranes (LH,QD etc), gantry cranes(MH,MDG..), Jib cranes(BZ,QZ,MZ etc),  variable frequency cranes,  Explosion-proof series cranes(LB,QB etc),  Cranes with grab bucket, Low headroom monorail Hoist,  Electric Winches, scrapers and  CD1 MD1 HC Electric Hoist,  Hand Chain Hoist etc... In the past 10 years, we are aiming at China domestic market and become a leading manufacturer in China.Also, with the help of China trading companies we have exported our products to many countries such as Vietnam, Philippines, Sri Lanka, Bangladesh, France, Dubai, Kazakhstan, Russia, Tanzania,Peru , New Zealand ,etc countries .We got 99% good feedback from the overseas customers.Now we are not only aiming at China domestic market growth ,but also to expand the international market with our quality and price advantages.Integrity, quality, customer satisfaction is the pursuit of Mingdao heavy workers!CUSTOMER USE CASE-------------- FAQ------------------Q1.Can the cranes be customized?   Yes,every customer's working condition is different, all of our products can be customized depend on customers' requirements.Please give us the information as clear as you can, so we can give our best design to suit for your demands.   Q2.How many o