double girder overhead crane for hot sale 20 ton

Description

Specifications

*0t Double Girder Bridge Crane

*0t Double Girder Bridge Crane, its trolley is bigger and stronger than LH type, reducer and brake separately. And this is the most important factor for working *4*7 hours per day.And this kind of heavy duty crane ,it is widely used in plants, warehouses, materials stocks to lift goods or materials.

QD type crane mainly consists of  two strong bridge beams,crane travelling mechanism, electric winch trolley and electric system,and could be classified into several working duties,e.g. A5,A6,A7,according to the working frequency and pure working time.

Technical featurers

1) Strong box type,welding by machine hand.

2)Wheels,wirerope drum,gears, couplings are manufactured by our CNC manchine center, TOP quality control.

3) Heavy duty slipring motor,TOP quality in China.

4)Pendent control,wireless,cabin control.

Safety features of QD crane

1)Weight overload protection device, top quality polyurethane buffer, crane travelling limit switch,low voltage protection function, emergency stop system, current overload protection function.

2)Painting: anti-rust painting,Primer and finishing paint,yellow or red color, General thickness:about **5 microns.

3)Standard capacity: 5tons,*0tons,*6/3.2tons,*0/5tons,*2/5tons,*0/*0tons,*5/*0tons,**0/*0tons,**0/*0tons,**5/*0tons,**0/*0tons,**0/*2tons,**0/*0tons,**0/*0tons,**0/**0tons.

Warranty
*4 months warranty when products leave the factory, or *2 months warranty after installation and commissioning in addition to the human damage factors.
Two years spare-parts provided for better maintenances.
Professional technical staffs provide installation, commissioning and training services.
Delivery with English user manual, parts manual, product certification and other relevant certificates.
Technical advisory for any time.